Small Business Innovation Research · Small Business Technology Transfer

Mainstream Engineering Corp: SBIR & STTR awards

522 awards worth $187.30M to 1 companies since 1987 match these filters. Phase I tests an idea (usually a few hundred thousand dollars); Phase II builds it (often $1M or more).

Mainstream Engineering Corp's federal contracts and grants · All SBIR & STTR awards

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Awards by year

YearPhase IPhase IIAmount
2025105$8.58M
2024135$8.22M
2023156$9.07M
2022108$13.75M
2021124$4.43M
20201411$13.38M
20191912$13.78M
20182510$13.26M
20171913$13.13M
2016157$8.77M
2015106$7.90M
2014136$6.23M

The latest year fills in over months: agencies report awards to SBIR.gov with a lag.

By agency

Latest matching awards

AwardCompanyAgencyPhaseAmountDate
Magnetic Bearings for Cryogenic Fluid Management · topic Z-GOMainstream Engineering Corp · FloridaNational Aeronautics and Space AdministrationSBIR Phase I$149.7K2025-09-16
Extremely Uniform, High Quality, and Isotopically Pure SiC Epiwafers for Quantum · topic AF251-D026Mainstream Engineering Corp · FloridaDepartment of Defense · Air ForceSBIR Phase II$1.40M2025-09-03
Rapid ASCENT Propellant Loading Operations · topic SF233-0022Mainstream Engineering Corp · FloridaDepartment of Defense · Air ForceSBIR Phase II$1.90M2025-08-13
On-Demand Repair Part Manufacturing with MRAM · topic A244-070Mainstream Engineering Corp · FloridaDepartment of Defense · ArmySBIR Phase I$249.8K2025-08-04
Scalable and Fast Epitaxy of High Quality, Single Crystal ZnSe Substrates · topic AF233-0013Mainstream Engineering Corp · FloridaDepartment of Defense · Air ForceSBIR Phase II$1.80M2025-07-23
Compact, Deployable Water Purification System · topic A244-071Mainstream Engineering Corp · FloridaDepartment of Defense · ArmySBIR Phase I$250.0K2025-07-21
Ruggedized Thermal Management System · topic N251-003Mainstream Engineering Corp · FloridaDepartment of Defense · NavySBIR Phase I$139.8K2025-07-08
CO2 Modular Refrigeration System · topic N251-061Mainstream Engineering Corp · FloridaDepartment of Defense · NavySBIR Phase I$139.9K2025-07-07
Polymerized MOF Beads for CWAs · topic CBD202-001Mainstream Engineering Corp · FloridaDepartment of Defense · Office for Chemical and Biological DefenseSBIR Phase II$716.6K2025-07-02
Apparatus & Method to Certify Properties of Infrared Optical Materials · topic A244-066Mainstream Engineering Corp · FloridaDepartment of Defense · ArmySBIR Phase I$250.0K2025-02-25
Multi-Seal Blind Installation (MSBI) Fittings · topic N232-091Mainstream Engineering Corp · FloridaDepartment of Defense · NavySBIR Phase II$998.9K2025-02-24
In-Situ Epitaxial Defect Reduction with Augmented Instrumentation and Intelligent Control · topic DMEA244-P01Mainstream Engineering Corp · FloridaDepartment of Defense · Defense Microelectronics ActivitySBIR Phase I$100.0K2025-02-05
Warfighter and Defense Related Outfits to Buffer Extreme Environments (WarDROBE) · topic HR0011ST2024D-P01Mainstream Engineering Corp · FloridaDepartment of Defense · Defense Advanced Research Projects AgencySTTR Phase I$149.4K2024-12-19
Point-of-Use Water Treatment Module for Trace Harmful Species · topic 1CMainstream Engineering Corp · FloridaEnvironmental Protection AgencySBIR Phase I$100.0K2024-12-16
IR Window Refurbishment via Back-grinding, CMP, and High Growth Rate Epitaxy · topic N242-074Mainstream Engineering Corp · FloridaDepartment of Defense · NavySBIR Phase I$239.7K2024-11-08
High Conversion Cell-Level Battery Power Converter · topic C56-09aMainstream Engineering Corp · FloridaDepartment of EnergySBIR Phase II$1.15M2024-09-10
Strained Ultra-High Molecular Weight Polyethylene Heat Exchanger · topic C56-19bMainstream Engineering Corp · FloridaDepartment of EnergySBIR Phase II$1.10M2024-09-10
Handheld real time battery analysis for silver zinc battery SOC and SOH · topic N241-031Mainstream Engineering Corp · FloridaDepartment of Defense · NavySBIR Phase I$139.3K2024-08-26
Ruggedized Fan Coil Assembly (RFCA) · topic N221-054Mainstream Engineering Corp · FloridaDepartment of Defense · NavySBIR Phase II$600.0K2024-08-05
Thin, Flexible Nanostructured Films for High-Temperature EMI Shielding · topic MDA241-008Mainstream Engineering Corp · FloridaDepartment of Defense · Missile Defense AgencySBIR Phase I$149.6K2024-08-05
Development of Hybrid AquaDyn · topic N241-004Mainstream Engineering Corp · FloridaDepartment of Defense · NavySBIR Phase I$238.9K2024-08-01
Toroidal Spacecraft Ventilation Fan · topic H3Mainstream Engineering Corp · FloridaNational Aeronautics and Space AdministrationSBIR Phase I$149.4K2024-07-30
Variable Speed Electrically Powered Compact PTO · topic C58-16dMainstream Engineering Corp · FloridaDepartment of EnergySBIR Phase I$200.0K2024-07-22
FOD and Corrosion Mitigation for a CV Joint · topic N241-001Mainstream Engineering Corp · FloridaDepartment of Defense · NavySBIR Phase I$140.0K2024-07-15
Inert Impulsive Expendable Acoustic Source · topic N24A-T018Mainstream Engineering Corp · FloridaDepartment of Defense · NavySTTR Phase I$139.7K2024-07-15
Scalable and Fast Epitaxy of High Quality, Single Crystal ZnSe Substrates · topic AF233-0013Mainstream Engineering Corp · FloridaDepartment of Defense · Air ForceSBIR Phase I$179.9K2024-04-24
Rapid ASCENT Propellant Loading Operations · topic SF233-0022Mainstream Engineering Corp · FloridaDepartment of Defense · Air ForceSBIR Phase I$189.9K2024-04-15
Multi-Aperture Frame with Cooled MS-ZnS Windows · topic AF233-D018Mainstream Engineering Corp · FloridaDepartment of Defense · Air ForceSBIR Phase II$1.76M2024-03-26
Low Doped SiC Epiwafers for Room Temperature, Ultrafast, and Radiation Hard Sensors · topic C57-30aMainstream Engineering Corp · FloridaDepartment of EnergySBIR Phase I$200.0K2024-02-12
Enabling Devices for Sensors to Detect Neutrinoless Double Beta Decay at nEXO · topic C57-36cMainstream Engineering Corp · FloridaDepartment of EnergySBIR Phase I$199.9K2024-02-12
Development of Autocascade Cryocooler · topic C57-07aMainstream Engineering Corp · FloridaDepartment of EnergySBIR Phase I$199.8K2024-02-12
Hybrid Direct Vapor Compression Thermal Management System for 300-kW Class Lasers · topic AF221-0009Mainstream Engineering Corp · FloridaDepartment of Defense · Air ForceSBIR Phase II$1.25M2023-12-20
Multi-Seal Blind Installation Fittings (MSBI) · topic N232-091Mainstream Engineering Corp · FloridaDepartment of Defense · NavySBIR Phase I$239.1K2023-11-30
Supply Chain Development of Thick SiC Epi-Wafers and 20 kV Class Transistors · topic DMEA231-D02Mainstream Engineering Corp · FloridaDepartment of Defense · Defense Microelectronics ActivitySBIR Phase II$1.32M2023-08-07
Direct Drive Electric Marine Propulsion · topic N231-039Mainstream Engineering Corp · FloridaDepartment of Defense · NavySBIR Phase I$139.3K2023-07-31
Rad-Hard Extreme Temperature Bidirectional Converter · topic Z1Mainstream Engineering Corp · FloridaNational Aeronautics and Space AdministrationSBIR Phase I$149.9K2023-07-26
Scalable JP-10 Production from Sustainable Resources · topic N23A-T015Mainstream Engineering Corp · FloridaDepartment of Defense · NavySTTR Phase I$140.0K2023-07-17
Dual Membrane Vacuum Compression Dehumidification for Navy Ships · topic N231-064Mainstream Engineering Corp · FloridaDepartment of Defense · NavySBIR Phase I$139.5K2023-07-17
Removing Chlorine from Plastic using Thermochemical Pretreatment · topic C56-26dMainstream Engineering Corp · FloridaDepartment of EnergySBIR Phase I$250.0K2023-07-10
High-Effectiveness Heat Exchangers for PEM Fuel Cell Thermal Management · topic C56-18bMainstream Engineering Corp · FloridaDepartment of EnergySBIR Phase I$200.0K2023-07-10

Source: SBIR.gov award data (SBA) ↗, awards through 2026-08-28. Amounts are as agencies report them to SBA. SBIR/STTR contracts also appear in USAspending as ordinary awards; grants (NIH, NSF, DOE) appear as assistance. Open topics are posted by each agency; see Opportunities for contract notices.