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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 #80JSC025D0071

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., a small U.S.-owned business based in Houston, Texas. The contract, awarded by NASA Johnson Space Center, is for Simulation and Advanced Software Services II (SASS II) with a total value of $150,000,000. Various financial transactions show modifications to the contract, but no actual spending transactions have occurred yet.

Contract Details

Contract ID80JSC025D0071
Contract TypeIDV_B_B
Total Obligation$0.00
Exercised Options
Base Amount + Options$150,000,000.00
Date Signed2025-07-02
Contract DescriptionSIMULATION AND ADVANCED SOFTWARE SERVICES II (SASS II)
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 #P00004$0.00December 11, 2025

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 #P00003$0.00November 20, 2025

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 #P00002$0.00September 30, 2025

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 #P00001$0.00September 30, 2025

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 #0$0.00July 2, 2025

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 #P00008$0.00February 18, 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$0.00February 12, 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 #P00006$0.00January 21, 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 #P00005$0.00January 21, 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 #P00004$0.00December 11, 2025

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 #P00003$0.00November 20, 2025

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 #P00002$0.00September 30, 2025

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 #P00001$0.00September 30, 2025

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 #0$0.00July 2, 2025

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 #P00009$0.00March 10, 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 #P00008$0.00February 18, 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$0.00February 12, 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 #P00005$0.00January 21, 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 #P00006$0.00January 21, 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 #P00004$0.00December 11, 2025

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 #P00003$0.00November 20, 2025

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 #P00002$0.00September 30, 2025

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 #P00001$0.00September 30, 2025

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 #0$0.00July 2, 2025

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 #P00010$0.00March 11, 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 #P00009$0.00March 10, 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 #P00008$0.00February 18, 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$0.00February 12, 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 #P00006$0.00January 21, 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 #P00005$0.00January 21, 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 #P00004$0.00December 11, 2025

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 #P00003$0.00November 20, 2025

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 #P00002$0.00September 30, 2025

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 #P00001$0.00September 30, 2025

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 #0$0.00July 2, 2025

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.

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