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MAINSTREAM ENGINEERING CORP

ROCKLEDGE, Florida

Total Received

$86.8M

Total Awards

94

State

Florida

Last Updated

Jan 26, 2026

Yearly Funding Trend

Top 50 Awards to MAINSTREAM ENGINEERING CORP

Largest individual federal awards on record for this recipient, ranked by obligated amount. Data through January 26, 2026.

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Top 50 Awards to MAINSTREAM ENGINEERING CORP
AwardAwarding AgencyProgramPlaceFYObligation
CONT_AWD_47QSWC24F0097_4732_47QSWC24A0003_4732
BPA CALL ORDER ENVIRONMENTAL CONTROL UNIT ECU
General Services Administration
Federal Acquisition Service
WARNER ROBINS, GA-022024$11,134,550
CONT_AWD_47QSWC25F0145_4732_47QSWC24A0003_4732
BPA CALL ORDER EECU
General Services Administration
Federal Acquisition Service
WARNER ROBINS, GA-022025$6,226,350
CONT_AWD_N6833522C0062_9700_-NONE-_-NONE-
NCE FOR CLIN 0003-0004 AND 0005-0006.
Department of Defense
Department of the Navy
ROCKLEDGE, FL-082024$3,299,756
CONT_AWD_HQ014718C0037_9700_-NONE-_-NONE-
INTERNALLY COOLED SEEKER WINDOW
Department of Defense
Missile Defense Agency
ROCKLEDGE, FL-082024$3,193,370
CONT_AWD_HQ086020C7148_9700_-NONE-_-NONE-
SBIR/STTR PHASE II R&D ADDITIVELY MANUFACTURED INTERNALLY COOLED WINDOW FRAME
Department of Defense
Missile Defense Agency
ROCKLEDGE, FL-082024$3,094,696
CONT_AWD_HQ086020C7401_9700_-NONE-_-NONE-
SBIR/STTR PHASE II R&D
Department of Defense
Missile Defense Agency
ROCKLEDGE, FL-082024$2,636,649
CONT_AWD_47QSWC25F0143_4732_47QSWC24A0003_4732
BPA CALL ORDER EECUSPARES KIT
General Services Administration
Federal Acquisition Service
WARNER ROBINS, GA-022025$2,550,482
ASST_NON_DESC0013774_089
CROSS-POLARIZED NEAR-UV/VIS DETECTOR FOR IN-LINE QUALITY CONTROL OF PEM MATERIALS
Department of Energy
Department of Energy
81.049
OFFICE OF SCIENCE FINANCIAL ASSISTANCE PROGRAM
ROCKLEDGE, FL-082024$2,202,703
CONT_AWD_FA930025C6019_9700_-NONE-_-NONE-
RAPID ASCENT PROPELLANT LOADING OPERATIONS
Department of Defense
Department of the Air Force
ROCKLEDGE, FL-082025$1,899,532
CONT_AWD_FA237725CB021_9700_-NONE-_-NONE-
SBIR II PROPOSAL F2-18506-SCALABLE AND FAST EPITAXY OF HIGH QUALITY, SINGLE CRYSTAL ZNSE SUBSTRATES
Department of Defense
Department of the Air Force
ROCKLEDGE, FL-082025$1,799,218
CONT_AWD_FA865124CB018_9700_-NONE-_-NONE-
SBIR D2P2 MAINSTREAM ENG CORP
Department of Defense
Department of the Air Force
ROCKLEDGE, FL-082024$1,759,723
CONT_AWD_HQ086020C7150_9700_-NONE-_-NONE-
SBIR/STTR PHASE II R&D SCALED AND OPTIMIZED INTERNALLY COOLED WINDOW
Department of Defense
Missile Defense Agency
ROCKLEDGE, FL-082024$1,617,813
CONT_AWD_N6833520C0240_9700_-NONE-_-NONE-
EXTEND THE POP ON CLIN 000A SLIN 01 ACRN AC (PR # 1301074718-0001), AND RELATED DATA CLIN 0005 FROM 06/14/24 TO 12/14/24, AS REQUESTED BY THE CONTRACTOR TO THE GOVERNMENT IN A LET…
Department of Defense
Department of the Navy
ROCKLEDGE, FL-082024$1,504,611
CONT_AWD_FA930216C0003_9700_-NONE-_-NONE-
FUEL CONVERTER SBIR III
Department of Defense
Defense Contract Management Agency
ROCKLEDGE, FL-082024$1,499,577
CONT_AWD_HQ086022C7150_9700_-NONE-_-NONE-
SBIR/STTR PHASE II R&D
Department of Defense
Missile Defense Agency
ROCKLEDGE, FL-082024$1,499,389
CONT_AWD_FA930217C0001_9700_-NONE-_-NONE-
HIGH ENERGY DENSITY ON-CHIP MICRO-ULTRACAPACITORS THROUGH NANOMANUFACTURING AND DESIGNER ELECTROLYTES STTR
Department of Defense
Defense Contract Management Agency
ROCKLEDGE, FL-082024$1,495,130
CONT_AWD_FA239425CB054_9700_-NONE-_-NONE-
SCALED SILICON CARBIDE ON INSULATOR FOR QUANTUM APPLICATIONS, PROPOSAL # F2D-15635
Department of Defense
Department of the Air Force
ROCKLEDGE, FL-082025$1,399,963
ASST_NON_DESC0024119_089
HIGH CONVERSION CELL-LEVEL BATTERY POWER CONVERTER
Department of Energy
Department of Energy
81.049
OFFICE OF SCIENCE FINANCIAL ASSISTANCE PROGRAM
ROCKLEDGE, FL-082024$1,347,168
CONT_AWD_HQ072723C0002_9700_-NONE-_-NONE-
SBIR PHASE II RESEARCH AND DEVELOPMENT EFFORTS TO PROVIDE FLEXIBLE, FULL-SPECTRUM MICROELECTRONICS SOLUTIONS. EXTENDS PERIOD OF PERFORMANCE.
Department of Defense
Defense Microelectronics Activity
ROCKLEDGE, FL-082024$1,315,210
ASST_NON_DESC0020709_089
HYBRID GEOTHERMAL HEAT PUMP FOR SINGLE RESIDENCES
Department of Energy
Department of Energy
81.049
OFFICE OF SCIENCE FINANCIAL ASSISTANCE PROGRAM
ROCKLEDGE, FL-082024$1,298,931
ASST_NON_DESC0023791_089
STRAINED ULTRA-HIGH MOLECULAR WEIGHT POLYETHYLENE HEAT EXCHANGER
Department of Energy
Department of Energy
81.049
OFFICE OF SCIENCE FINANCIAL ASSISTANCE PROGRAM
ROCKLEDGE, FL-082024$1,295,788
CONT_AWD_FA945124CX019_9700_-NONE-_-NONE-
HYBRID DIRECT VAPOR COMPRESSION THERMAL MANAGEMENT SYSTEM FOR 300-KW CLASS LASERS
Department of Defense
Department of the Air Force
ROCKLEDGE, FL-082024$1,249,945
CONT_AWD_N6833523C0250_9700_-NONE-_-NONE-
MODIFICATION TO UPDATE TPOC/COORDINATOR INFORMATION FOR SBIR PHASE II TOPIC #N221-045.
Department of Defense
Department of the Navy
ROCKLEDGE, FL-082024$1,197,928
ASST_NON_DESC0017829_089
ADVANCED, LOW-COST INDOOR HEAT EXCHANGER FOR GEOTHERMAL HEAT PUMP SYSTEMS
Department of Energy
Department of Energy
81.049
OFFICE OF SCIENCE FINANCIAL ASSISTANCE PROGRAM
ROCKLEDGE, FL-082024$1,113,673
CONT_AWD_W56HZV22C0013_9700_-NONE-_-NONE-
STTR PH II HTG OF BLACKWATER FOR ENERGY AND LOW-TIER WATER
Department of Defense
Department of the Army
ROCKLEDGE, FL-082024$1,099,974
CONT_AWD_W911SR22C0005_9700_-NONE-_-NONE-
TO UTILIZE A PHASE INVERSION PROCESS TO PRECIPITATE A POLYMER COMPOSITE BEAD WITH HIGHLY CONTROLLED SIZE AND POROSITY.
Department of Defense
Department of the Army
ROCKLEDGE, FL-082024$1,099,834
CONT_AWD_HQ072722C0007_9700_-NONE-_-NONE-
SBIR PHASE II RESEARCH AND DEVELOPMENT EFFORTS TO DESIGN, FABRICATE, ASSEMBLE, BUILD, TEST, EVALUATE, VERIFY, VALIDATE, AND/OR PROCURE MICROELECTRONICS AND OPERATE SUCH A FACILITY…
Department of Defense
Defense Microelectronics Activity
ROCKLEDGE, FL-082024$1,099,638
CONT_AWD_N6833522C0156_9700_-NONE-_-NONE-
PERIOD OF PERFORMANCE EXTENSION.
Department of Defense
Department of the Navy
ROCKLEDGE, FL-082024$1,099,409
CONT_AWD_W56HZV20C0011_9700_-NONE-_-NONE-
PH 2 STTR FOR HIGH VOLTAGE MOTOR CONTROLLER (HVMC) FOR NEXT GENERATION COMBAT VEHICLE ELECTRICAL POWER ARCHITECTURE (NGCVEPA).
Department of Defense
Department of the Army
ROCKLEDGE, FL-082024$1,096,463
CONT_AWD_SPE4A623C0045_9700_-NONE-_-NONE-
8509657213!BOLT,MACHINE
Department of Defense
Defense Logistics Agency
ROCKLEDGE, FL-082025$1,067,316
ASST_NON_DEAR0001699_089
CONTROL NUMBER:2692-1515 MAINSTREAM ENGINEERING CORPORATION AWARD NUMBER: DE-AR0001699 FOA NUMBER: DE-FOA-0002692 CONVERTING UNF RADIOISOTOPES INTO ENERGY SBIR/STTR (CURIE SBIR/ST…
Department of Energy
Department of Energy
81.135
ADVANCED RESEARCH PROJECTS AGENCY - ENERGY
MELBOURNE, FL-082026$1,005,536
CONT_AWD_N6833523C0027_9700_-NONE-_-NONE-
RESEARCH AND DEVELOPMENT
Department of Defense
Department of the Navy
ROCKLEDGE, FL-082024$999,593
CONT_AWD_N6833525C0231_9700_-NONE-_-NONE-
RESEARCH AND DEVELOPMENT
Department of Defense
Department of the Navy
ROCKLEDGE, FL-082025$998,929
CONT_AWD_N6833523C0419_9700_-NONE-_-NONE-
RESEARCH AND DEVELOPMENT
Department of Defense
Department of the Navy
ROCKLEDGE, FL-082024$996,770
CONT_AWD_SP470119C0030_9700_-NONE-_-NONE-
SBIR PHASE II RESEARCH AND DEVELOPMENT FOR SEVERAL LENSES USED IN THE STABILIZED GLIDE SLOPE INDICATOR (SGSI) SYSTEM AND FRESNEL LENS OPTICAL LANDING SYSTEM (FLOLS). P00007 REMOVE…
Department of Defense
Defense Logistics Agency
ROCKLEDGE, FL-082024$950,820
CONT_AWD_80NSSC23CA115_8000_-NONE-_-NONE-
FY23 - SBIR PHASE II - CONTINUOUS WIRE 3D PRINTED SORBENT STRUCTURES
National Aeronautics and Space Administration
National Aeronautics and Space Administration
ROCKLEDGE, FL-082025$849,655
CONT_AWD_80NSSC23CA116_8000_-NONE-_-NONE-
EO14042 - FY23 - SBIR PHASE II - COMBINED SUB-MICRON PARTICLE SEPARATORS FOR CARBON REMOVAL SYSTEM
National Aeronautics and Space Administration
National Aeronautics and Space Administration
ROCKLEDGE, FL-082025$841,829
CONT_AWD_SPE7M225P0796_9700_-NONE-_-NONE-
8511047679!ELEMENT,RELEASE
Department of Defense
Defense Logistics Agency
ROCKLEDGE, FL-082025$800,000
CONT_AWD_SPE7M225P1205_9700_-NONE-_-NONE-
8511115558!ELEMENT,RELEASE
Department of Defense
Defense Logistics Agency
ROCKLEDGE, FL-082025$800,000
CONT_AWD_SPE7M225P1538_9700_-NONE-_-NONE-
8511163530!ELEMENT,RELEASE
Department of Defense
Defense Logistics Agency
ROCKLEDGE, FL-082025$800,000
CONT_AWD_SPE7M225P2125_9700_-NONE-_-NONE-
8511254921!ELEMENT,RELEASE
Department of Defense
Defense Logistics Agency
ROCKLEDGE, FL-082025$800,000
CONT_AWD_SPE7M225P2594_9700_-NONE-_-NONE-
8511334468!ELEMENT,RELEASE
Department of Defense
Defense Logistics Agency
ROCKLEDGE, FL-082025$800,000
CONT_AWD_SPE7M225P0147_9700_-NONE-_-NONE-
8510946189!ELEMENT,RELEASE
Department of Defense
Defense Logistics Agency
ROCKLEDGE, FL-082025$786,350
CONT_AWD_FA910121C0018_9700_-NONE-_-NONE-
SBIR PHASE II REAL-TIME SLED-BORNE
Department of Defense
Department of the Air Force
ROCKLEDGE, FL-082024$749,998
CONT_AWD_80NSSC22CA135_8000_-NONE-_-NONE-
Z10.01-3013 - INTEGRATED CRYOGENIC PROPELLANT LIQUEFACTION SYSTEM (I-CPLS)
National Aeronautics and Space Administration
National Aeronautics and Space Administration
ROCKLEDGE, FL-082024$749,920
CONT_AWD_80NSSC20C0204_8000_-NONE-_-NONE-
TOXICITY MITIGATING SINGLE-FLUID COOLING SYSTEM FOR MANNED SPACECRAFT
National Aeronautics and Space Administration
National Aeronautics and Space Administration
ROCKLEDGE, FL-082024$749,883
CONT_AWD_80NSSC21C0542_8000_-NONE-_-NONE-
LEAK MITIGATING WATER LOOP CONNECTOR
National Aeronautics and Space Administration
National Aeronautics and Space Administration
ROCKLEDGE, FL-082024$749,031
CONT_AWD_SP470119C0025_9700_-NONE-_-NONE-
MAINSTREAM SP4701-19-C-0025 SBIR PHASE II RESEARCH AND DEVELOPMENT TO DEVELOP ADDITIONAL SOURCES OF SUPPLY FOR LAND AND MARITIME HARD-TO-SOURCE ITEMS, AS WELL AS CRITICAL APPLICA…
Department of Defense
Defense Logistics Agency
ROCKLEDGE, FL-082024$737,240
CONT_AWD_W911SR25C0020_9700_-NONE-_-NONE-
MIGRATE THE HAZARD AND ACTIVELY DECOMPOSES OR DETOXIFIES THE WIDE RANGE OF CHEMICAL WARFARE AGENTS AND TOXIC INDUSTRIAL CHEMICALS.
Department of Defense
Department of the Army
ROCKLEDGE, FL-082025$716,584
CONT_AWD_SPE7L724P2090_9700_-NONE-_-NONE-
8510596772!BATTERY ASSEMBLY
Department of Defense
Defense Logistics Agency
ROCKLEDGE, FL-082024$696,218

Top 50 awards shown, ranked by obligated amount. Dates reflect performance period; last-modified dates match USAspending.gov. Complete listings include all transaction history going back to FY2024.