diff --git a/LICENSE b/LICENSE
new file mode 100644
index 00000000..d9c7c3a1
--- /dev/null
+++ b/LICENSE
@@ -0,0 +1,30 @@
+BSD 3-Clause License
+
+Copyright (c) 2022, National Technology & Engineering Solutions of Sandia, LLC
+(NTESS). Under the terms of Contract DE-NA0003525 with NTESS, the U.S. 
+Government retains certain rights in this software.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+1. Redistributions of source code must retain the above copyright notice, this
+   list of conditions and the following disclaimer.
+
+2. Redistributions in binary form must reproduce the above copyright notice,
+   this list of conditions and the following disclaimer in the documentation
+   and/or other materials provided with the distribution.
+
+3. Neither the name of the copyright holder nor the names of its
+   contributors may be used to endorse or promote products derived from
+   this software without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
diff --git a/repos/exawind/packages/amr-wind-nightly/package.py b/repos/exawind/packages/amr-wind-nightly/package.py
index a123195f..a2784a87 100644
--- a/repos/exawind/packages/amr-wind-nightly/package.py
+++ b/repos/exawind/packages/amr-wind-nightly/package.py
@@ -1,3 +1,10 @@
+# Copyright (c) 2022, National Technology & Engineering Solutions of Sandia,
+# LLC (NTESS). Under the terms of Contract DE-NA0003525 with NTESS, the U.S.
+# Government retains certain rights in this software.
+#
+# This software is released under the BSD 3-clause license. See LICENSE file
+# for more details.
+
 from spack import *
 from spack.pkg.exawind.amr_wind import AmrWind as bAmrWind
 import spack.config
diff --git a/repos/exawind/packages/amr-wind/package.py b/repos/exawind/packages/amr-wind/package.py
index 593144ea..6e64ca0a 100644
--- a/repos/exawind/packages/amr-wind/package.py
+++ b/repos/exawind/packages/amr-wind/package.py
@@ -1,3 +1,10 @@
+# Copyright (c) 2022, National Technology & Engineering Solutions of Sandia,
+# LLC (NTESS). Under the terms of Contract DE-NA0003525 with NTESS, the U.S.
+# Government retains certain rights in this software.
+#
+# This software is released under the BSD 3-clause license. See LICENSE file
+# for more details.
+
 from spack import *
 from spack.pkg.builtin.amr_wind import AmrWind as bAmrWind
 import os
diff --git a/repos/exawind/packages/boost/package.py b/repos/exawind/packages/boost/package.py
index a44e25bb..160a1537 100644
--- a/repos/exawind/packages/boost/package.py
+++ b/repos/exawind/packages/boost/package.py
@@ -1,3 +1,10 @@
+# Copyright (c) 2022, National Technology & Engineering Solutions of Sandia,
+# LLC (NTESS). Under the terms of Contract DE-NA0003525 with NTESS, the U.S.
+# Government retains certain rights in this software.
+#
+# This software is released under the BSD 3-clause license. See LICENSE file
+# for more details.
+
 from spack import *
 from spack.pkg.builtin.boost import Boost as bBoost
 
diff --git a/repos/exawind/packages/cuda/package.py b/repos/exawind/packages/cuda/package.py
index a59e95e6..9c7c0a6a 100644
--- a/repos/exawind/packages/cuda/package.py
+++ b/repos/exawind/packages/cuda/package.py
@@ -1,3 +1,10 @@
+# Copyright (c) 2022, National Technology & Engineering Solutions of Sandia,
+# LLC (NTESS). Under the terms of Contract DE-NA0003525 with NTESS, the U.S.
+# Government retains certain rights in this software.
+#
+# This software is released under the BSD 3-clause license. See LICENSE file
+# for more details.
+
 import os
 from spack import *
 from spack.pkg.builtin.cuda import Cuda as bCuda
diff --git a/repos/exawind/packages/exawind-nightly/package.py b/repos/exawind/packages/exawind-nightly/package.py
index 6ec8665b..796ec395 100644
--- a/repos/exawind/packages/exawind-nightly/package.py
+++ b/repos/exawind/packages/exawind-nightly/package.py
@@ -1,3 +1,10 @@
+# Copyright (c) 2022, National Technology & Engineering Solutions of Sandia,
+# LLC (NTESS). Under the terms of Contract DE-NA0003525 with NTESS, the U.S.
+# Government retains certain rights in this software.
+#
+# This software is released under the BSD 3-clause license. See LICENSE file
+# for more details.
+
 from spack import *
 from spack.pkg.exawind.exawind import Exawind as bExawind
 import spack.config
diff --git a/repos/exawind/packages/exawind/package.py b/repos/exawind/packages/exawind/package.py
index ecbae660..d21aa101 100644
--- a/repos/exawind/packages/exawind/package.py
+++ b/repos/exawind/packages/exawind/package.py
@@ -1,3 +1,10 @@
+# Copyright (c) 2022, National Technology & Engineering Solutions of Sandia,
+# LLC (NTESS). Under the terms of Contract DE-NA0003525 with NTESS, the U.S.
+# Government retains certain rights in this software.
+#
+# This software is released under the BSD 3-clause license. See LICENSE file
+# for more details.
+
 from spack import *
 #from spack.pkg.builtin.exawind import Exawind as bExawind
 from shutil import copyfile
diff --git a/repos/exawind/packages/hdf5/package.py b/repos/exawind/packages/hdf5/package.py
index 498649fb..e457527c 100644
--- a/repos/exawind/packages/hdf5/package.py
+++ b/repos/exawind/packages/hdf5/package.py
@@ -1,3 +1,10 @@
+# Copyright (c) 2022, National Technology & Engineering Solutions of Sandia,
+# LLC (NTESS). Under the terms of Contract DE-NA0003525 with NTESS, the U.S.
+# Government retains certain rights in this software.
+#
+# This software is released under the BSD 3-clause license. See LICENSE file
+# for more details.
+
 from spack.pkg.builtin.hdf5 import Hdf5 as bHdf5
 import os
 
diff --git a/repos/exawind/packages/hypre-mini-app/package.py b/repos/exawind/packages/hypre-mini-app/package.py
index 7734d6b4..efe510a7 100644
--- a/repos/exawind/packages/hypre-mini-app/package.py
+++ b/repos/exawind/packages/hypre-mini-app/package.py
@@ -1,7 +1,9 @@
-# Copyright 2013-2022 Lawrence Livermore National Security, LLC and other
-# Spack Project Developers. See the top-level COPYRIGHT file for details.
+# Copyright (c) 2022, National Technology & Engineering Solutions of Sandia,
+# LLC (NTESS). Under the terms of Contract DE-NA0003525 with NTESS, the U.S.
+# Government retains certain rights in this software.
 #
-# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+# This software is released under the BSD 3-clause license. See LICENSE file
+# for more details.
 
 from spack import *
 
diff --git a/repos/exawind/packages/nalu-wind-nightly/package.py b/repos/exawind/packages/nalu-wind-nightly/package.py
index 33bfa8ff..c2f52f74 100644
--- a/repos/exawind/packages/nalu-wind-nightly/package.py
+++ b/repos/exawind/packages/nalu-wind-nightly/package.py
@@ -1,3 +1,10 @@
+# Copyright (c) 2022, National Technology & Engineering Solutions of Sandia,
+# LLC (NTESS). Under the terms of Contract DE-NA0003525 with NTESS, the U.S.
+# Government retains certain rights in this software.
+#
+# This software is released under the BSD 3-clause license. See LICENSE file
+# for more details.
+
 from spack import *
 from spack.pkg.exawind.nalu_wind import NaluWind as bNaluWind
 import spack.config
diff --git a/repos/exawind/packages/nalu-wind/package.py b/repos/exawind/packages/nalu-wind/package.py
index c94b3224..8413cfe3 100644
--- a/repos/exawind/packages/nalu-wind/package.py
+++ b/repos/exawind/packages/nalu-wind/package.py
@@ -1,3 +1,10 @@
+# Copyright (c) 2022, National Technology & Engineering Solutions of Sandia,
+# LLC (NTESS). Under the terms of Contract DE-NA0003525 with NTESS, the U.S.
+# Government retains certain rights in this software.
+#
+# This software is released under the BSD 3-clause license. See LICENSE file
+# for more details.
+
 from spack import *
 from spack.pkg.builtin.nalu_wind import NaluWind as bNaluWind
 from spack.pkg.builtin.kokkos import Kokkos
diff --git a/repos/exawind/packages/openfast/package.py b/repos/exawind/packages/openfast/package.py
index ead9f805..de05c28f 100644
--- a/repos/exawind/packages/openfast/package.py
+++ b/repos/exawind/packages/openfast/package.py
@@ -1,3 +1,10 @@
+# Copyright (c) 2022, National Technology & Engineering Solutions of Sandia,
+# LLC (NTESS). Under the terms of Contract DE-NA0003525 with NTESS, the U.S.
+# Government retains certain rights in this software.
+#
+# This software is released under the BSD 3-clause license. See LICENSE file
+# for more details.
+
 from spack.pkg.builtin.openfast import Openfast as bOpenfast
 
 class Openfast(bOpenfast):
diff --git a/repos/exawind/packages/py-stk/package.py b/repos/exawind/packages/py-stk/package.py
index 279b9441..63ad6936 100644
--- a/repos/exawind/packages/py-stk/package.py
+++ b/repos/exawind/packages/py-stk/package.py
@@ -1,9 +1,10 @@
-# Copyright 2013-2021 Lawrence Livermore National Security, LLC and other
-# Spack Project Developers. See the top-level COPYRIGHT file for details.
+# Copyright (c) 2022, National Technology & Engineering Solutions of Sandia,
+# LLC (NTESS). Under the terms of Contract DE-NA0003525 with NTESS, the U.S.
+# Government retains certain rights in this software.
 #
-# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+# This software is released under the BSD 3-clause license. See LICENSE file
+# for more details.
 
-# ----------------------------------------------------------------------------
 from spack import *
 
 
@@ -11,8 +12,8 @@ class PyStk(PythonPackage):
     """pySTK is a Python/Cython wrapper to provide a python interface to STK"""
 
     homepage = "https://sayerhs.github.io/pystk"
-    git      = "https://github.com/sayerhs/pystk.git"
-    url      = "https://github.com/sayerhs/pystk.git"
+    git = "https://github.com/sayerhs/pystk.git"
+    url = "https://github.com/sayerhs/pystk.git"
 
     maintainers = ['psakievich']
 
diff --git a/repos/exawind/packages/tioga/package.py b/repos/exawind/packages/tioga/package.py
index 679b6771..7e01c61a 100644
--- a/repos/exawind/packages/tioga/package.py
+++ b/repos/exawind/packages/tioga/package.py
@@ -1,3 +1,10 @@
+# Copyright (c) 2022, National Technology & Engineering Solutions of Sandia,
+# LLC (NTESS). Under the terms of Contract DE-NA0003525 with NTESS, the U.S.
+# Government retains certain rights in this software.
+#
+# This software is released under the BSD 3-clause license. See LICENSE file
+# for more details.
+
 from spack import *
 from spack.pkg.builtin.tioga import Tioga as bTioga
 import os
diff --git a/repos/exawind/packages/trilinos/package.py b/repos/exawind/packages/trilinos/package.py
index 469dd565..ad7089bb 100644
--- a/repos/exawind/packages/trilinos/package.py
+++ b/repos/exawind/packages/trilinos/package.py
@@ -1,3 +1,10 @@
+# Copyright (c) 2022, National Technology & Engineering Solutions of Sandia,
+# LLC (NTESS). Under the terms of Contract DE-NA0003525 with NTESS, the U.S.
+# Government retains certain rights in this software.
+#
+# This software is released under the BSD 3-clause license. See LICENSE file
+# for more details.
+
 from spack import *
 from spack.pkg.builtin.trilinos import Trilinos as bTrilinos
 import os
diff --git a/scripts/cache_updater.sh b/scripts/cache_updater.sh
index 6604dc1f..ebeb5661 100755
--- a/scripts/cache_updater.sh
+++ b/scripts/cache_updater.sh
@@ -1,3 +1,11 @@
+#
+# Copyright (c) 2022, National Technology & Engineering Solutions of Sandia,
+# LLC (NTESS). Under the terms of Contract DE-NA0003525 with NTESS, the U.S.
+# Government retains certain rights in this software.
+#
+# This software is released under the BSD 3-clause license. See LICENSE file
+# for more details.
+#
 for ii in $(spack find --format "yyy {version} /{hash}" |
     grep -v -E "^(develop^master)" |
     grep "yyy" |
diff --git a/scripts/create-developer-env.sh b/scripts/create-developer-env.sh
index 44fecac0..4f449aba 100755
--- a/scripts/create-developer-env.sh
+++ b/scripts/create-developer-env.sh
@@ -1,4 +1,12 @@
 #!/bin/bash -l
+#
+# Copyright (c) 2022, National Technology & Engineering Solutions of Sandia,
+# LLC (NTESS). Under the terms of Contract DE-NA0003525 with NTESS, the U.S.
+# Government retains certain rights in this software.
+#
+# This software is released under the BSD 3-clause license. See LICENSE file
+# for more details.
+#
 
 #Script that shows an example of creating a developer environment from a shared snapshot for Exawind software
 
diff --git a/scripts/create-exawind-snapshot.sh b/scripts/create-exawind-snapshot.sh
index f5ba54ce..32f4a6cb 100755
--- a/scripts/create-exawind-snapshot.sh
+++ b/scripts/create-exawind-snapshot.sh
@@ -1,4 +1,12 @@
 #!/bin/bash -l
+#
+# Copyright (c) 2022, National Technology & Engineering Solutions of Sandia,
+# LLC (NTESS). Under the terms of Contract DE-NA0003525 with NTESS, the U.S.
+# Government retains certain rights in this software.
+#
+# This software is released under the BSD 3-clause license. See LICENSE file
+# for more details.
+#
 
 #Script that creates a new shared snapshot for Exawind software
 
diff --git a/scripts/create-nightly-test-env.py b/scripts/create-nightly-test-env.py
index 27058ade..6a97d387 100755
--- a/scripts/create-nightly-test-env.py
+++ b/scripts/create-nightly-test-env.py
@@ -1,4 +1,12 @@
 #!/usr/bin/env spack-python
+#
+# Copyright (c) 2022, National Technology & Engineering Solutions of Sandia,
+# LLC (NTESS). Under the terms of Contract DE-NA0003525 with NTESS, the U.S.
+# Government retains certain rights in this software.
+#
+# This software is released under the BSD 3-clause license. See LICENSE file
+# for more details.
+#
 
 import argparse
 import spack.main
diff --git a/scripts/install-exawind.sh b/scripts/install-exawind.sh
index 1d9a14ec..ccc53881 100755
--- a/scripts/install-exawind.sh
+++ b/scripts/install-exawind.sh
@@ -1,4 +1,12 @@
 #!/bin/bash -l
+#
+# Copyright (c) 2022, National Technology & Engineering Solutions of Sandia,
+# LLC (NTESS). Under the terms of Contract DE-NA0003525 with NTESS, the U.S.
+# Government retains certain rights in this software.
+#
+# This software is released under the BSD 3-clause license. See LICENSE file
+# for more details.
+#
 
 # Trap and kill background processes
 trap "trap - SIGTERM && kill -- -$$" SIGINT SIGTERM EXIT
diff --git a/scripts/run-exawind-nightly-tests.sh b/scripts/run-exawind-nightly-tests.sh
index 3197391a..adf61aa8 100755
--- a/scripts/run-exawind-nightly-tests.sh
+++ b/scripts/run-exawind-nightly-tests.sh
@@ -1,4 +1,12 @@
 #!/bin/bash -l
+#
+# Copyright (c) 2022, National Technology & Engineering Solutions of Sandia,
+# LLC (NTESS). Under the terms of Contract DE-NA0003525 with NTESS, the U.S.
+# Government retains certain rights in this software.
+#
+# This software is released under the BSD 3-clause license. See LICENSE file
+# for more details.
+#
 
 #Scheduled script that invokes the nightly Exawind tests
 
diff --git a/scripts/run_tests.sh b/scripts/run_tests.sh
index 0bb980a9..d93cfa6b 100755
--- a/scripts/run_tests.sh
+++ b/scripts/run_tests.sh
@@ -1,4 +1,12 @@
 #!/bin/bash
+#
+# Copyright (c) 2022, National Technology & Engineering Solutions of Sandia,
+# LLC (NTESS). Under the terms of Contract DE-NA0003525 with NTESS, the U.S.
+# Government retains certain rights in this software.
+#
+# This software is released under the BSD 3-clause license. See LICENSE file
+# for more details.
+#
 
 # Expected to be run at top level spack-manager directory
 export SPACK_MANAGER=$(pwd)
diff --git a/scripts/snapshot_creator.py b/scripts/snapshot_creator.py
index 4b5ecdf1..ecdad5e5 100755
--- a/scripts/snapshot_creator.py
+++ b/scripts/snapshot_creator.py
@@ -1,4 +1,11 @@
 #!/usr/bin/env spack-python
+# Copyright (c) 2022, National Technology & Engineering Solutions of Sandia,
+# LLC (NTESS). Under the terms of Contract DE-NA0003525 with NTESS, the U.S.
+# Government retains certain rights in this software.
+#
+# This software is released under the BSD 3-clause license. See LICENSE file
+# for more details.
+
 """
 This script will create the snapshots we need for the exawind project
 and any associated modules
diff --git a/scripts/spack_start.sh b/scripts/spack_start.sh
index 89129e21..0634f184 100644
--- a/scripts/spack_start.sh
+++ b/scripts/spack_start.sh
@@ -1,4 +1,12 @@
 #!/bin/bash
+#
+# Copyright (c) 2022, National Technology & Engineering Solutions of Sandia,
+# LLC (NTESS). Under the terms of Contract DE-NA0003525 with NTESS, the U.S.
+# Government retains certain rights in this software.
+#
+# This software is released under the BSD 3-clause license. See LICENSE file
+# for more details.
+#
 
 if ! $(type '_spack_start_called' 2>/dev/null | grep -q 'function'); then
   export SPACK_ROOT=${SPACK_MANAGER}/spack
diff --git a/scripts/stage-updater.py b/scripts/stage-updater.py
index 99f30921..ccd39a40 100755
--- a/scripts/stage-updater.py
+++ b/scripts/stage-updater.py
@@ -1,4 +1,12 @@
 #!/usr/bin/env spack-python
+#
+# Copyright (c) 2022, National Technology & Engineering Solutions of Sandia,
+# LLC (NTESS). Under the terms of Contract DE-NA0003525 with NTESS, the U.S.
+# Government retains certain rights in this software.
+#
+# This software is released under the BSD 3-clause license. See LICENSE file
+# for more details.
+
 """
 This script will cycle over all packages installed
 in an environment and update git source code
diff --git a/scripts/supported_external_paths.py b/scripts/supported_external_paths.py
index 471d9152..f9eb23e3 100755
--- a/scripts/supported_external_paths.py
+++ b/scripts/supported_external_paths.py
@@ -1,4 +1,12 @@
 #!/usr/bin/env spack-python
+#
+# Copyright (c) 2022, National Technology & Engineering Solutions of Sandia,
+# LLC (NTESS). Under the terms of Contract DE-NA0003525 with NTESS, the U.S.
+# Government retains certain rights in this software.
+#
+# This software is released under the BSD 3-clause license. See LICENSE file
+# for more details.
+#
 import manager_cmds.find_machine as find_machine
 
 
diff --git a/scripts/test_developer_workflow.py b/scripts/test_developer_workflow.py
index 8cb67840..552b99d6 100755
--- a/scripts/test_developer_workflow.py
+++ b/scripts/test_developer_workflow.py
@@ -1,4 +1,12 @@
 #! /usr/bin/env spack-python
+#
+# Copyright (c) 2022, National Technology & Engineering Solutions of Sandia,
+# LLC (NTESS). Under the terms of Contract DE-NA0003525 with NTESS, the U.S.
+# Government retains certain rights in this software.
+#
+# This software is released under the BSD 3-clause license. See LICENSE file
+# for more details.
+#
 
 import os
 import argparse
diff --git a/scripts/update-spack-manager-repo.sh b/scripts/update-spack-manager-repo.sh
index 8e0bd0da..04737952 100755
--- a/scripts/update-spack-manager-repo.sh
+++ b/scripts/update-spack-manager-repo.sh
@@ -1,4 +1,12 @@
 #!/bin/bash -l
+#
+# Copyright (c) 2022, National Technology & Engineering Solutions of Sandia,
+# LLC (NTESS). Under the terms of Contract DE-NA0003525 with NTESS, the U.S.
+# Government retains certain rights in this software.
+#
+# This software is released under the BSD 3-clause license. See LICENSE file
+# for more details.
+#
 
 # Script for updating the spack-manager repo before it's used in running the tests.
 
diff --git a/scripts/update_spack_config.py b/scripts/update_spack_config.py
index 4d4e4489..6c35568a 100755
--- a/scripts/update_spack_config.py
+++ b/scripts/update_spack_config.py
@@ -1,4 +1,12 @@
 #!/usr/bin/env spack-python
+#
+# Copyright (c) 2022, National Technology & Engineering Solutions of Sandia,
+# LLC (NTESS). Under the terms of Contract DE-NA0003525 with NTESS, the U.S.
+# Government retains certain rights in this software.
+#
+# This software is released under the BSD 3-clause license. See LICENSE file
+# for more details.
+#
 import spack.config
 import spack.util.spack_yaml as syaml
 import sys
diff --git a/spack-scripting/scripting/cmd/manager.py b/spack-scripting/scripting/cmd/manager.py
index 2227e9e3..2dffbd53 100644
--- a/spack-scripting/scripting/cmd/manager.py
+++ b/spack-scripting/scripting/cmd/manager.py
@@ -1,3 +1,10 @@
+# Copyright (c) 2022, National Technology & Engineering Solutions of Sandia,
+# LLC (NTESS). Under the terms of Contract DE-NA0003525 with NTESS, the U.S.
+# Government retains certain rights in this software.
+#
+# This software is released under the BSD 3-clause license. See LICENSE file
+# for more details.
+
 import sys
 
 import manager_cmds.create_dev_env
diff --git a/spack-scripting/scripting/cmd/manager_cmds/__init__.py b/spack-scripting/scripting/cmd/manager_cmds/__init__.py
index e69de29b..f8118ddf 100644
--- a/spack-scripting/scripting/cmd/manager_cmds/__init__.py
+++ b/spack-scripting/scripting/cmd/manager_cmds/__init__.py
@@ -0,0 +1,6 @@
+# Copyright (c) 2022, National Technology & Engineering Solutions of Sandia,
+# LLC (NTESS). Under the terms of Contract DE-NA0003525 with NTESS, the U.S.
+# Government retains certain rights in this software.
+#
+# This software is released under the BSD 3-clause license. See LICENSE file
+# for more details.
diff --git a/spack-scripting/scripting/cmd/manager_cmds/create_dev_env.py b/spack-scripting/scripting/cmd/manager_cmds/create_dev_env.py
index 911f8955..07c25f30 100644
--- a/spack-scripting/scripting/cmd/manager_cmds/create_dev_env.py
+++ b/spack-scripting/scripting/cmd/manager_cmds/create_dev_env.py
@@ -1,3 +1,10 @@
+# Copyright (c) 2022, National Technology & Engineering Solutions of Sandia,
+# LLC (NTESS). Under the terms of Contract DE-NA0003525 with NTESS, the U.S.
+# Government retains certain rights in this software.
+#
+# This software is released under the BSD 3-clause license. See LICENSE file
+# for more details.
+
 import argparse
 
 import manager_cmds.create_env as create_env
diff --git a/spack-scripting/scripting/cmd/manager_cmds/create_env.py b/spack-scripting/scripting/cmd/manager_cmds/create_env.py
index c2d9ab7d..a756c10f 100644
--- a/spack-scripting/scripting/cmd/manager_cmds/create_env.py
+++ b/spack-scripting/scripting/cmd/manager_cmds/create_env.py
@@ -1,3 +1,9 @@
+# Copyright (c) 2022, National Technology & Engineering Solutions of Sandia,
+# LLC (NTESS). Under the terms of Contract DE-NA0003525 with NTESS, the U.S.
+# Government retains certain rights in this software.
+#
+# This software is released under the BSD 3-clause license. See LICENSE file
+# for more details.
 
 """
 A script for creating a new environment
diff --git a/spack-scripting/scripting/cmd/manager_cmds/develop.py b/spack-scripting/scripting/cmd/manager_cmds/develop.py
index c291a00b..06c81440 100644
--- a/spack-scripting/scripting/cmd/manager_cmds/develop.py
+++ b/spack-scripting/scripting/cmd/manager_cmds/develop.py
@@ -1,3 +1,10 @@
+# Copyright (c) 2022, National Technology & Engineering Solutions of Sandia,
+# LLC (NTESS). Under the terms of Contract DE-NA0003525 with NTESS, the U.S.
+# Government retains certain rights in this software.
+#
+# This software is released under the BSD 3-clause license. See LICENSE file
+# for more details.
+
 import os
 import shutil
 
diff --git a/spack-scripting/scripting/cmd/manager_cmds/external.py b/spack-scripting/scripting/cmd/manager_cmds/external.py
index 8fcd3354..4d579e39 100644
--- a/spack-scripting/scripting/cmd/manager_cmds/external.py
+++ b/spack-scripting/scripting/cmd/manager_cmds/external.py
@@ -1,3 +1,10 @@
+# Copyright (c) 2022, National Technology & Engineering Solutions of Sandia,
+# LLC (NTESS). Under the terms of Contract DE-NA0003525 with NTESS, the U.S.
+# Government retains certain rights in this software.
+#
+# This software is released under the BSD 3-clause license. See LICENSE file
+# for more details.
+
 import os
 import re
 from datetime import datetime
diff --git a/spack-scripting/scripting/cmd/manager_cmds/find_machine.py b/spack-scripting/scripting/cmd/manager_cmds/find_machine.py
index 34b8923f..8440033f 100644
--- a/spack-scripting/scripting/cmd/manager_cmds/find_machine.py
+++ b/spack-scripting/scripting/cmd/manager_cmds/find_machine.py
@@ -1,3 +1,10 @@
+# Copyright (c) 2022, National Technology & Engineering Solutions of Sandia,
+# LLC (NTESS). Under the terms of Contract DE-NA0003525 with NTESS, the U.S.
+# Government retains certain rights in this software.
+#
+# This software is released under the BSD 3-clause license. See LICENSE file
+# for more details.
+
 import os
 import socket
 import sys
diff --git a/spack-scripting/scripting/cmd/manager_cmds/includes_creator.py b/spack-scripting/scripting/cmd/manager_cmds/includes_creator.py
index 22b86d62..9fd11dfd 100644
--- a/spack-scripting/scripting/cmd/manager_cmds/includes_creator.py
+++ b/spack-scripting/scripting/cmd/manager_cmds/includes_creator.py
@@ -1,3 +1,12 @@
+# Copyright (c) 2022, National Technology & Engineering Solutions of Sandia, LLC
+# (NTESS). Under the terms of Contract DE-NA0003525 with NTESS, the U.S.
+# Government retains certain rights in this software.
+#
+# This software is released under the BSD 3-clause license. See LICENSE file
+# for more details.
+
+# for more details.
+
 import os
 
 import ruamel.yaml as yaml
diff --git a/spack-scripting/scripting/cmd/manager_utils.py b/spack-scripting/scripting/cmd/manager_utils.py
index fd33d1ff..b5725825 100644
--- a/spack-scripting/scripting/cmd/manager_utils.py
+++ b/spack-scripting/scripting/cmd/manager_utils.py
@@ -1,3 +1,10 @@
+# Copyright (c) 2022, National Technology & Engineering Solutions of Sandia,
+# LLC (NTESS). Under the terms of Contract DE-NA0003525 with NTESS, the U.S.
+# Government retains certain rights in this software.
+#
+# This software is released under the BSD 3-clause license. See LICENSE file
+# for more details.
+
 import os
 from datetime import date
 
diff --git a/spack-scripting/scripting/manager_utils.py b/spack-scripting/scripting/manager_utils.py
index fd33d1ff..b5725825 100644
--- a/spack-scripting/scripting/manager_utils.py
+++ b/spack-scripting/scripting/manager_utils.py
@@ -1,3 +1,10 @@
+# Copyright (c) 2022, National Technology & Engineering Solutions of Sandia,
+# LLC (NTESS). Under the terms of Contract DE-NA0003525 with NTESS, the U.S.
+# Government retains certain rights in this software.
+#
+# This software is released under the BSD 3-clause license. See LICENSE file
+# for more details.
+
 import os
 from datetime import date
 
diff --git a/spack-scripting/tests/conftest.py b/spack-scripting/tests/conftest.py
index 9b8b5a14..03f4a701 100644
--- a/spack-scripting/tests/conftest.py
+++ b/spack-scripting/tests/conftest.py
@@ -1 +1,8 @@
+# Copyright (c) 2022, National Technology & Engineering Solutions of Sandia,
+# LLC (NTESS). Under the terms of Contract DE-NA0003525 with NTESS, the U.S.
+# Government retains certain rights in this software.
+#
+# This software is released under the BSD 3-clause license. See LICENSE file
+# for more details.
+
 from spack.test.conftest import *  # noqa: F401
diff --git a/spack-scripting/tests/test_create_dev_env.py b/spack-scripting/tests/test_create_dev_env.py
index 112658f0..6b51f894 100644
--- a/spack-scripting/tests/test_create_dev_env.py
+++ b/spack-scripting/tests/test_create_dev_env.py
@@ -1,3 +1,10 @@
+# Copyright (c) 2022, National Technology & Engineering Solutions of Sandia,
+# LLC (NTESS). Under the terms of Contract DE-NA0003525 with NTESS, the U.S.
+# Government retains certain rights in this software.
+#
+# This software is released under the BSD 3-clause license. See LICENSE file
+# for more details.
+
 import os
 from unittest.mock import patch
 
diff --git a/spack-scripting/tests/test_create_env.py b/spack-scripting/tests/test_create_env.py
index a321d6ff..d51b6454 100644
--- a/spack-scripting/tests/test_create_env.py
+++ b/spack-scripting/tests/test_create_env.py
@@ -1,3 +1,10 @@
+# Copyright (c) 2022, National Technology & Engineering Solutions of Sandia,
+# LLC (NTESS). Under the terms of Contract DE-NA0003525 with NTESS, the U.S.
+# Government retains certain rights in this software.
+#
+# This software is released under the BSD 3-clause license. See LICENSE file
+# for more details.
+
 import os
 from tempfile import TemporaryDirectory
 
diff --git a/spack-scripting/tests/test_develop.py b/spack-scripting/tests/test_develop.py
index 3cb3dbf9..3562d65d 100644
--- a/spack-scripting/tests/test_develop.py
+++ b/spack-scripting/tests/test_develop.py
@@ -1,3 +1,10 @@
+# Copyright (c) 2022, National Technology & Engineering Solutions of Sandia,
+# LLC (NTESS). Under the terms of Contract DE-NA0003525 with NTESS, the U.S.
+# Government retains certain rights in this software.
+#
+# This software is released under the BSD 3-clause license. See LICENSE file
+# for more details.
+
 import os
 from unittest.mock import patch
 
diff --git a/spack-scripting/tests/test_external.py b/spack-scripting/tests/test_external.py
index 8c43d07a..7cbbf08e 100644
--- a/spack-scripting/tests/test_external.py
+++ b/spack-scripting/tests/test_external.py
@@ -1,3 +1,10 @@
+# Copyright (c) 2022, National Technology & Engineering Solutions of Sandia,
+# LLC (NTESS). Under the terms of Contract DE-NA0003525 with NTESS, the U.S.
+# Government retains certain rights in this software.
+#
+# This software is released under the BSD 3-clause license. See LICENSE file
+# for more details.
+
 import os
 from unittest.mock import patch
 
diff --git a/spack-scripting/tests/test_find_machine.py b/spack-scripting/tests/test_find_machine.py
index afdab6dd..8c3e314f 100644
--- a/spack-scripting/tests/test_find_machine.py
+++ b/spack-scripting/tests/test_find_machine.py
@@ -1,3 +1,10 @@
+# Copyright (c) 2022, National Technology & Engineering Solutions of Sandia,
+# LLC (NTESS). Under the terms of Contract DE-NA0003525 with NTESS, the U.S.
+# Government retains certain rights in this software.
+#
+# This software is released under the BSD 3-clause license. See LICENSE file
+# for more details.
+
 import pytest
 from manager_cmds.find_machine import *
 
diff --git a/start.sh b/start.sh
index 7d88bc13..4ebd28d9 100644
--- a/start.sh
+++ b/start.sh
@@ -1,4 +1,12 @@
 #!/bin/bash
+#
+# Copyright (c) 2022, National Technology & Engineering Solutions of Sandia,
+# LLC (NTESS). Under the terms of Contract DE-NA0003525 with NTESS, the U.S.
+# Government retains certain rights in this software.
+#
+# This software is released under the BSD 3-clause license. See LICENSE file
+# for more details.
+#
 
 cmd() {
   echo "+ $@"
diff --git a/tests/ci_config_concretization.py b/tests/ci_config_concretization.py
index d8a53751..db4019d0 100755
--- a/tests/ci_config_concretization.py
+++ b/tests/ci_config_concretization.py
@@ -1,4 +1,11 @@
 #!/usr/bin/env spack-python
+# Copyright (c) 2022, National Technology & Engineering Solutions of Sandia,
+# LLC (NTESS). Under the terms of Contract DE-NA0003525 with NTESS, the U.S.
+# Government retains certain rights in this software.
+#
+# This software is released under the BSD 3-clause license. See LICENSE file
+# for more details.
+
 from tempfile import TemporaryDirectory
 from manager_cmds.find_machine import find_machine as find_machine
 from manager_cmds.find_machine import machine_list
diff --git a/tests/test_create_machine_spack_environment.py b/tests/test_create_machine_spack_environment.py
index 77207c04..0289c628 100644
--- a/tests/test_create_machine_spack_environment.py
+++ b/tests/test_create_machine_spack_environment.py
@@ -1,4 +1,11 @@
 #!/usr/bin/env spack-python
+# Copyright (c) 2022, National Technology & Engineering Solutions of Sandia,
+# LLC (NTESS). Under the terms of Contract DE-NA0003525 with NTESS, the U.S.
+# Government retains certain rights in this software.
+#
+# This software is released under the BSD 3-clause license. See LICENSE file
+# for more details.
+
 from tempfile import TemporaryDirectory
 import filecmp
 import os