MAINSTREAM ENGINEERING CORP Federal Contracts — Government Award History

Total (All Time)$116M
Latest FY$6M
Primary AgencyGeneral Services Administration

MAINSTREAM ENGINEERING CORP has received $116M in total federal contract awards
across 11 fiscal year(s). ▼ 75.5% vs FY2025 Peak year was FY2025 ($24M).
Primary awarding agency: General Services Administration.

Data covers largest contracts by award amount. Source: USASpending.gov (FPDS).

Awards by Fiscal Year

Year Spending Total Contracts Top Agency
FY2026

$5.8M 7건 General Services Administration
FY2025

$23.6M 27건 General Services Administration
FY2024

$17.3M 19건 General Services Administration
FY2023

$8.7M 21건 Department of Defense
FY2022

$13.3M 37건 Department of Defense
FY2021

$3.9M 18건 Department of Defense
FY2020

$17.7M 17건 Department of Defense
FY2019

$8.1M 9건 Department of Defense
FY2018

$8.8M 7건 Department of Defense
FY2017

$4.7M 4건 Department of Defense
FY2016

$4.5M 4건 Department of Defense

Notable Contracts

Date Agency Amount Description
2024-07-31 General Services Administration $11.1M BPA CALL ORDER ENVIRONMENTAL CONTROL UNIT ECU
2025-08-25 General Services Administration $6.2M BPA CALL ORDER EECU
2026-02-01 General Services Administration $4.1M BPA CALL ORDER EECU MAINSPARES
2021-10-27 Department of Defense $3.3M EO14042: RESEARCH AND DEVELOPMENT
2020-09-22 Department of Defense $3.1M SBIR/STTR PHASE II R&D: ADDITIVELY MANUFACTURED INTERNALLY COOLED WINDOW FRAME
2020-04-01 Department of Defense $3.0M RAPID INNOVATION FUND – HIGH EFFICIENCY DIESEL FOR MULTIPLE POWER APPLICATIONS R
2020-07-09 Department of Defense $2.6M SBIR/STTR PHASE II R&D: WEAPON INSPECTION, SUSTAINMENT AND RECORDING DEVICE.
2018-08-20 Department of Defense $2.6M R&D RIF CONTRACT
2025-08-21 General Services Administration $2.6M BPA CALL ORDER EECUSPARES KIT
2025-08-13 Department of Defense $1.9M RAPID ASCENT PROPELLANT LOADING OPERATIONS
2025-07-23 Department of Defense $1.8M SBIR II PROPOSAL F2-18506-SCALABLE AND FAST EPITAXY OF HIGH QUALITY, SINGLE CRYS
2024-03-26 Department of Defense $1.8M MULTI-APERTURE FRAME WITH COOLED MS-ZNS WINDOWS
2020-08-28 Department of Defense $1.6M SBIR/STTR SECOND PHASE II R&D: SCALED AND OPTIMIZED INTERNALLY COOLED WINDOW.
2018-12-13 Department of Defense $1.5M RESEARCH AND DEVELOPMENT IGF::OT::IGF
2018-02-27 Department of Defense $1.5M RESEARCH AND DEVELOPMENT IGF::OT::IGF
2016-05-03 Department of Defense $1.5M IGF::OT::IGF FUEL CONVERTER SBIR III
2022-09-23 Department of Defense $1.5M SBIR/STTR PHASE II R&D: THERMAL MANAGEMENT SYSTEM FOR COOLED WINDOW
2017-03-06 Department of Defense $1.5M IGF::OT::IGF HIGH ENERGY DENSITY ON-CHIP MICRO-ULTRACAPACITORS THROUGH NANOMANUF
2017-08-28 Department of Defense $1.5M IGF::OT::IGF – PHASE II SBIR (SEQUENTIAL) – “SYNERGISTIC AND SMART MICRO-CONTROL
2025-08-26 Department of Defense $1.4M SCALED SILICON CARBIDE ON INSULATOR FOR QUANTUM APPLICATIONS, PROPOSAL # F2D-156