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National Aeronautics and Space Administration Awarded a Contract to MACLEAN ENGINEERING & APPLIED TECHNOLOGIES, L.L.C. for $150,000,000.00

Signed on

7/2/2025, 12:00 AM

MACLEAN ENGINEERING & APPLIED TECHNOLOGIES, L.L.C. Government Contract #80JSC025F0002

MACLEAN ENGINEERING & APPLIED TECHNOLOGIES, L.L.C. was awarded a contract with the United States Government for $150,000,000.00. The contract was awarded by the agency office NASA JOHNSON SPACE CENTER, which is a division with the National Aeronautics and Space Administration within the National Aeronautics and Space Administration.

Summary of Award

The recipient of the federal contract is Maclean Engineering & Applied Technologies, L.L.C., which is based in Houston, Texas, and operates as a small U.S.-owned business. The contract, titled "Simulation and Advanced Software Services II (SASS II) Task Order," is funded by the National Aeronautics and Space Administration (NASA) and is worth a total of $150,000,000. Notable transactions include multiple payments to the recipient for amounts ranging from $50,000 to over $3 million for professional engineering and technical support services.

Contract Details

Contract ID80JSC025F0002
Contract TypeC
Total Obligation$4,423,832.88
Exercised Options$150,000,000.00
Base Amount + Options$150,000,000.00
Date Signed2025-07-02
Contract DescriptionSIMULATION AND ADVANCED SOFTWARE SERVICES II (SASS II) TASK ORDER
Start Date2025-10-01
End Date2030-09-30

Agency Details

Awarding AgencyNational Aeronautics and Space Administration
Awarding Sub AgencyNational Aeronautics and Space Administration
Awarding OfficeNASA JOHNSON SPACE CENTER
Funding AgencyNational Aeronautics and Space Administration
Funding Sub AgencyNational Aeronautics and Space Administration
Funding OfficeNASA JOHNSON SPACE CENTER

Recipient Details

RecipientMACLEAN ENGINEERING & APPLIED TECHNOLOGIES, L.L.C.
Recipient Location1030 HERCULES AVE HOUSTON TEXAS, UNITED STATES
Business CategoriesCategory Business, Limited Liability Corporation, Partnership or Limited Liability Partnership, Small Business, Special Designations, U.S.-Owned Business

Comments

Award Transactions

Transaction #P00001$4,340,714.12September 30, 2025

National Aeronautics and Space Administration, a sub agency of National Aeronautics and Space Administration, issued a payment of $4,340,714.12 to MACLEAN ENGINEERING & APPLIED TECHNOLOGIES, L.L.C.. The payment included a Subsidy Cost of $0.00.

Transaction #P00002$33,118.76September 30, 2025

National Aeronautics and Space Administration, a sub agency of National Aeronautics and Space Administration, issued a payment of $33,118.76 to MACLEAN ENGINEERING & APPLIED TECHNOLOGIES, L.L.C.. The payment included a Subsidy Cost of $0.00.

Transaction #0$50,000.00July 2, 2025

National Aeronautics and Space Administration, a sub agency of National Aeronautics and Space Administration, issued a payment of $50,000.00 to MACLEAN ENGINEERING & APPLIED TECHNOLOGIES, L.L.C.. The payment included a Subsidy Cost of $0.00.

Transaction #P00004$3,102,212.53December 11, 2025

National Aeronautics and Space Administration, a sub agency of National Aeronautics and Space Administration, issued a payment of $3,102,212.53 to MACLEAN ENGINEERING & APPLIED TECHNOLOGIES, L.L.C.. The payment included a Subsidy Cost of $0.00.

Transaction #P00003$639,875.53November 21, 2025

National Aeronautics and Space Administration, a sub agency of National Aeronautics and Space Administration, issued a payment of $639,875.53 to MACLEAN ENGINEERING & APPLIED TECHNOLOGIES, L.L.C.. The payment included a Subsidy Cost of $0.00.

Transaction #P00001$4,340,714.12September 30, 2025

National Aeronautics and Space Administration, a sub agency of National Aeronautics and Space Administration, issued a payment of $4,340,714.12 to MACLEAN ENGINEERING & APPLIED TECHNOLOGIES, L.L.C.. The payment included a Subsidy Cost of $0.00.

Transaction #P00002$33,118.76September 30, 2025

National Aeronautics and Space Administration, a sub agency of National Aeronautics and Space Administration, issued a payment of $33,118.76 to MACLEAN ENGINEERING & APPLIED TECHNOLOGIES, L.L.C.. The payment included a Subsidy Cost of $0.00.

Transaction #0$50,000.00July 2, 2025

National Aeronautics and Space Administration, a sub agency of National Aeronautics and Space Administration, issued a payment of $50,000.00 to MACLEAN ENGINEERING & APPLIED TECHNOLOGIES, L.L.C.. The payment included a Subsidy Cost of $0.00.

Transaction #P00005$1,829,130.68January 22, 2026

National Aeronautics and Space Administration, a sub agency of National Aeronautics and Space Administration, issued a payment of $1,829,130.68 to MACLEAN ENGINEERING & APPLIED TECHNOLOGIES, L.L.C.. The payment included a Subsidy Cost of $0.00.

Transaction #P00004$3,102,212.53December 11, 2025

National Aeronautics and Space Administration, a sub agency of National Aeronautics and Space Administration, issued a payment of $3,102,212.53 to MACLEAN ENGINEERING & APPLIED TECHNOLOGIES, L.L.C.. The payment included a Subsidy Cost of $0.00.

Transaction #P00003$639,875.53November 21, 2025

National Aeronautics and Space Administration, a sub agency of National Aeronautics and Space Administration, issued a payment of $639,875.53 to MACLEAN ENGINEERING & APPLIED TECHNOLOGIES, L.L.C.. The payment included a Subsidy Cost of $0.00.

Transaction #P00001$4,340,714.12September 30, 2025

National Aeronautics and Space Administration, a sub agency of National Aeronautics and Space Administration, issued a payment of $4,340,714.12 to MACLEAN ENGINEERING & APPLIED TECHNOLOGIES, L.L.C.. The payment included a Subsidy Cost of $0.00.

Transaction #P00002$33,118.76September 30, 2025

National Aeronautics and Space Administration, a sub agency of National Aeronautics and Space Administration, issued a payment of $33,118.76 to MACLEAN ENGINEERING & APPLIED TECHNOLOGIES, L.L.C.. The payment included a Subsidy Cost of $0.00.

Transaction #0$50,000.00July 2, 2025

National Aeronautics and Space Administration, a sub agency of National Aeronautics and Space Administration, issued a payment of $50,000.00 to MACLEAN ENGINEERING & APPLIED TECHNOLOGIES, L.L.C.. The payment included a Subsidy Cost of $0.00.

Transaction #P00008$0.00February 27, 2026

National Aeronautics and Space Administration, a sub agency of National Aeronautics and Space Administration, issued a payment of $0.00 to MACLEAN ENGINEERING & APPLIED TECHNOLOGIES, L.L.C.. The payment included a Subsidy Cost of $0.00.

This payment could indicate a change to the existing contract.

Transaction #P00007$100,000.00February 18, 2026

National Aeronautics and Space Administration, a sub agency of National Aeronautics and Space Administration, issued a payment of $100,000.00 to MACLEAN ENGINEERING & APPLIED TECHNOLOGIES, L.L.C.. The payment included a Subsidy Cost of $0.00.

Transaction #P00006$2,806,753.81February 12, 2026

National Aeronautics and Space Administration, a sub agency of National Aeronautics and Space Administration, issued a payment of $2,806,753.81 to MACLEAN ENGINEERING & APPLIED TECHNOLOGIES, L.L.C.. The payment included a Subsidy Cost of $0.00.

Transaction #P00005$1,829,130.68January 22, 2026

National Aeronautics and Space Administration, a sub agency of National Aeronautics and Space Administration, issued a payment of $1,829,130.68 to MACLEAN ENGINEERING & APPLIED TECHNOLOGIES, L.L.C.. The payment included a Subsidy Cost of $0.00.

Transaction #P00004$3,102,212.53December 11, 2025

National Aeronautics and Space Administration, a sub agency of National Aeronautics and Space Administration, issued a payment of $3,102,212.53 to MACLEAN ENGINEERING & APPLIED TECHNOLOGIES, L.L.C.. The payment included a Subsidy Cost of $0.00.

Transaction #P00003$639,875.53November 21, 2025

National Aeronautics and Space Administration, a sub agency of National Aeronautics and Space Administration, issued a payment of $639,875.53 to MACLEAN ENGINEERING & APPLIED TECHNOLOGIES, L.L.C.. The payment included a Subsidy Cost of $0.00.

Transaction #P00001$4,340,714.12September 30, 2025

National Aeronautics and Space Administration, a sub agency of National Aeronautics and Space Administration, issued a payment of $4,340,714.12 to MACLEAN ENGINEERING & APPLIED TECHNOLOGIES, L.L.C.. The payment included a Subsidy Cost of $0.00.

Transaction #P00002$33,118.76September 30, 2025

National Aeronautics and Space Administration, a sub agency of National Aeronautics and Space Administration, issued a payment of $33,118.76 to MACLEAN ENGINEERING & APPLIED TECHNOLOGIES, L.L.C.. The payment included a Subsidy Cost of $0.00.

Transaction #0$50,000.00July 2, 2025

National Aeronautics and Space Administration, a sub agency of National Aeronautics and Space Administration, issued a payment of $50,000.00 to MACLEAN ENGINEERING & APPLIED TECHNOLOGIES, L.L.C.. The payment included a Subsidy Cost of $0.00.

Transaction #P00009$2,207,218.28March 11, 2026

National Aeronautics and Space Administration, a sub agency of National Aeronautics and Space Administration, issued a payment of $2,207,218.28 to MACLEAN ENGINEERING & APPLIED TECHNOLOGIES, L.L.C.. The payment included a Subsidy Cost of $0.00.

Transaction #P00008$0.00February 27, 2026

National Aeronautics and Space Administration, a sub agency of National Aeronautics and Space Administration, issued a payment of $0.00 to MACLEAN ENGINEERING & APPLIED TECHNOLOGIES, L.L.C.. The payment included a Subsidy Cost of $0.00.

This payment could indicate a change to the existing contract.

Transaction #P00007$100,000.00February 18, 2026

National Aeronautics and Space Administration, a sub agency of National Aeronautics and Space Administration, issued a payment of $100,000.00 to MACLEAN ENGINEERING & APPLIED TECHNOLOGIES, L.L.C.. The payment included a Subsidy Cost of $0.00.

Transaction #P00006$2,806,753.81February 12, 2026

National Aeronautics and Space Administration, a sub agency of National Aeronautics and Space Administration, issued a payment of $2,806,753.81 to MACLEAN ENGINEERING & APPLIED TECHNOLOGIES, L.L.C.. The payment included a Subsidy Cost of $0.00.

Transaction #P00005$1,829,130.68January 22, 2026

National Aeronautics and Space Administration, a sub agency of National Aeronautics and Space Administration, issued a payment of $1,829,130.68 to MACLEAN ENGINEERING & APPLIED TECHNOLOGIES, L.L.C.. The payment included a Subsidy Cost of $0.00.

Transaction #P00004$3,102,212.53December 11, 2025

National Aeronautics and Space Administration, a sub agency of National Aeronautics and Space Administration, issued a payment of $3,102,212.53 to MACLEAN ENGINEERING & APPLIED TECHNOLOGIES, L.L.C.. The payment included a Subsidy Cost of $0.00.

Transaction #P00003$639,875.53November 21, 2025

National Aeronautics and Space Administration, a sub agency of National Aeronautics and Space Administration, issued a payment of $639,875.53 to MACLEAN ENGINEERING & APPLIED TECHNOLOGIES, L.L.C.. The payment included a Subsidy Cost of $0.00.

Transaction #P00002$33,118.76September 30, 2025

National Aeronautics and Space Administration, a sub agency of National Aeronautics and Space Administration, issued a payment of $33,118.76 to MACLEAN ENGINEERING & APPLIED TECHNOLOGIES, L.L.C.. The payment included a Subsidy Cost of $0.00.

Transaction #P00001$4,340,714.12September 30, 2025

National Aeronautics and Space Administration, a sub agency of National Aeronautics and Space Administration, issued a payment of $4,340,714.12 to MACLEAN ENGINEERING & APPLIED TECHNOLOGIES, L.L.C.. The payment included a Subsidy Cost of $0.00.

Transaction #0$50,000.00July 2, 2025

National Aeronautics and Space Administration, a sub agency of National Aeronautics and Space Administration, issued a payment of $50,000.00 to MACLEAN ENGINEERING & APPLIED TECHNOLOGIES, L.L.C.. The payment included a Subsidy Cost of $0.00.

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