Recipients › Florida › Mainstream Engineering Corp
Recipient organisation · UEI YR8FJBGXWRR1
Mainstream Engineering Corp
USAspending caveat. Figures are obligations reported by federal agencies to USAspending.gov, not payments. In USAspending's words: "An outlay occurs when federal money is actually paid out, not just promised to be paid ('obligated')." "Every agency has a Senior Accountable Official who must officially certify that the quarterly financial data submitted by their agency is accurate and complete." "If there are any discrepancies in procurement data, FPDS is the authoritative source." Contract data for the Department of Defense and the U.S. Army Corps of Engineers is published with a 90-day delay. Data loaded 30 Sep 2026. View the USAspending recipient profile.
Mainstream Engineering Corp, of Rockledge, FL, was obligated $83M in federal awards across the 4 fiscal years in which it reached the $1.0M listing floor (2023, 2024, 2025, 2026).
In FY2026, the most recent complete fiscal year, obligations were $20M, of which $19M (94%) came through contracts.
That is down 19% on FY2025 ($25M).
Mainstream Engineering Corp ranks 314 of 1,345 listed organisations located in FL by five-year obligations, and 6,475 of 30,000 nationally.
Its $1.0M-plus awards since FY2023 came from General Services Administration, Department of Defense and Department of Energy: 20 awards worth $55M in total award value.
Its largest contract industry is NAICS 333415 (Air-Conditioning and Warm Air Heating Equipment and Commercial and Industrial Refrigeration Equipment Manufacturing), where it ranks 4 of 39 organisations by the value of $1.0M-plus awards.
Obligations by fiscal year contracts vs assistance
| Fiscal year | All obligations | Contracts | Assistance | Change |
|---|---|---|---|---|
| FY2023 | $13,847,439 | $11,850,006 | $1,997,433 | — |
| FY2024 | $23,533,677 | $20,540,158 | $2,993,519 | +70% |
| FY2025 | $24,929,354 | $25,063,900 | $0 | +6% |
| FY2026 | $20,286,981 | $19,087,216 | $1,199,765 | -19% |
| FY2027 to date | under $1.0M | — | — | — |
A fiscal year runs 1 October to 30 September. "Contracts" are procurement award types A–D; "assistance" is everything else (grants, direct payments, loan subsidy cost, insurance, other). The contracts column is listed only where contract obligations alone reached $1.0M; the assistance figure is the remainder and may therefore include up to $1.0M of contracts.
Compared with its state and the largest recipients five listed years
| Measure | This organisation | Largest in FL | Largest nationally |
|---|---|---|---|
| Five-year obligations (listed years) | $83M | $95B | $416B |
| FY2026 obligations | $20M | $28B | $118B |
| Contracts, five years | $77M | under $1.0M | $94B |
| Assistance, five years | $6.1M | $95B | $416B |
| Rank by five-year obligations | 6,475 of 30,000 | 1 of 1,345 in FL | 1 |
Largest in state: Florida Agency for Health Care Administration. Largest nationally: Health Care Services, California Department of. Rankings count organisations located in the state, by the sum of their listed fiscal years.
Awarding agencies $1.0M+ awards since FY2023
| # | Agency | Awards | Award value | Share |
|---|---|---|---|---|
| 1 | General Services Administration | 5 | $34M | 62% |
| 2 | Department of Defense | 11 | $16M | 29% |
| 3 | Department of Energy | 4 | $4.8M | 9% |
Contract industries NAICS
Rank within NAICS 333415: 4 of 39 organisations by $1.0M+ award value; see Air-Conditioning and Warm Air Heating Equipment and Commercial and Industrial Refrigeration Equipment Manufacturing.
Assistance programs listings
Places of performance $1.0M+ awards
Counties: Houston County, GA $34M · Brevard County, FL $20M · Prince William County, VA $1.5M
Largest awards begun since FY2023
| Awarding agency | Type | Industry or program | Award value | Begun | Place | Record |
|---|---|---|---|---|---|---|
| General Services AdministrationFederal Acquisition Service | ContractBpa Call | 333415 Air-Conditioning and Warm Air Heating Equipment and Commercial and Industrial Refrigeration Equipment Manufacturing | $11M | 31 Jul 2024 | GA | USAspending |
| General Services AdministrationFederal Acquisition Service | ContractBpa Call | 333415 Air-Conditioning and Warm Air Heating Equipment and Commercial and Industrial Refrigeration Equipment Manufacturing | $10M | 11 Jun 2026 | GA | USAspending |
| General Services AdministrationFederal Acquisition Service | ContractBpa Call | 333415 Air-Conditioning and Warm Air Heating Equipment and Commercial and Industrial Refrigeration Equipment Manufacturing | $6.2M | 21 Aug 2025 | GA | USAspending |
| General Services AdministrationFederal Acquisition Service | ContractBpa Call | 333415 Air-Conditioning and Warm Air Heating Equipment and Commercial and Industrial Refrigeration Equipment Manufacturing | $4.1M | 26 Jan 2026 | GA | USAspending |
| General Services AdministrationFederal Acquisition Service | ContractBpa Call | 333415 Air-Conditioning and Warm Air Heating Equipment and Commercial and Industrial Refrigeration Equipment Manufacturing | $2.6M | 19 Aug 2025 | GA | USAspending |
| Department of DefenseDepartment of the Air Force | ContractDefinitive Contract | 541715 Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology) | $1.9M | 12 Aug 2025 | FL | USAspending |
| Department of DefenseDepartment of the Air Force | ContractDefinitive Contract | 541715 Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology) | $1.8M | 23 Jul 2025 | FL | USAspending |
| Department of DefenseDepartment of the Air Force | ContractDefinitive Contract | 541715 Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology) | $1.8M | 26 Mar 2024 | FL | USAspending |
| Department of DefenseDepartment of the Navy | ContractDefinitive Contract | 541715 Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology) | $1.7M | 7 Mar 2023 | FL | USAspending |
| Department of DefenseDepartment of the Navy | ContractDefinitive Contract | 541519 Other Computer Related Services | $1.5M | 31 Mar 2026 | VA | USAspending |
| Department of DefenseDepartment of the Air Force | ContractDefinitive Contract | 541715 Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology) | $1.4M | 2 Sep 2025 | FL | USAspending |
| Department of Energy | GrantCooperative Agreement (B) | 81.049 Office of Science Financial Assistance Program | $1.3M | 28 Jul 2023 | FL | USAspending |
Award value is the amount obligated to the award to date as USAspending reports it. Descriptions below are USAspending's text, unedited and truncated; those that appear to name a person are withheld.
- $11M, General Services Administration, 31 Jul 2024: BPA CALL ORDER ENVIRONMENTAL CONTROL UNIT ECU
- $10M, General Services Administration, 11 Jun 2026: BPA CALL ORDER EECU MAINSPARES KITS
- $6.2M, General Services Administration, 21 Aug 2025: BPA CALL ORDER EECU
- $4.1M, General Services Administration, 26 Jan 2026: BPA CALL ORDER EECU MAINSPARES
- $2.6M, General Services Administration, 19 Aug 2025: BPA CALL ORDER EECUSPARES KIT
- $1.9M, Department of Defense, 12 Aug 2025: RAPID ASCENT PROPELLANT LOADING OPERATIONS
- $1.8M, Department of Defense, 23 Jul 2025: SBIR II PROPOSAL F2-18506-SCALABLE AND FAST EPITAXY OF HIGH QUALITY, SINGLE CRYSTAL ZNSE SUBSTRATES
- $1.8M, Department of Defense, 26 Mar 2024: MULTI-APERTURE FRAME WITH COOLED MS-ZNS WINDOWS
Questions and answers
How much federal money does Mainstream Engineering Corp receive?
$83M in award obligations over the fiscal years it is listed for (FY2023: $14M; FY2024: $24M; FY2025: $25M; FY2026: $20M). Years not listed were under the $1.0M floor. Obligations are binding commitments, not payments made.
Which agencies award to Mainstream Engineering Corp?
By the value of $1.0M-plus awards begun since FY2023: General Services Administration ($34M), Department of Defense ($16M) and Department of Energy ($4.8M).
What is the money for?
Contracts are classified under NAICS 333415 Air-Conditioning and Warm Air Heating Equipment and Commercial and Industrial Refrigeration Equipment Manufacturing, NAICS 541715 Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology) and NAICS 541519 Other Computer Related Services. Assistance falls under Office of Science Financial Assistance Program (81.049) and Advanced Research Projects Agency - Energy (81.135).
Where is the work performed?
Primary places of performance for its larger awards: GA ($34M), FL ($20M) and VA ($1.5M).
Is Mainstream Engineering Corp a large federal recipient?
It ranks 6,475 of 30,000 organisations on this site by five-year obligations and 314 of 1,345 located in FL. The site covers organisations with at least $1.0M in a fiscal year; individuals are excluded.
Where does this data come from?
USAspending.gov (U.S. Treasury), award transactions as loaded on 30 Sep 2026; fiscal-year totals via the spending-by-category endpoint and award lists via the award search endpoint. The USAspending recipient profile is the authoritative record.
Provenance
Source: USAspending.gov API v2 (U.S. Department of the Treasury, Bureau of the Fiscal Service), CC0. Fiscal-year obligations from the spending-by-category recipient ranking by recipient state (listing floor $1.0M per year); awards from the award search endpoint (new awards of $1.0M or more by base obligation date); parent and business categories from the recipient profile where fetched. Closed fiscal years are snapshots taken after year end; FY2027 is refreshed on each build. Data loaded by USAspending on 30 Sep 2026. Individuals and sole proprietors are excluded at ingest. Errors in processing are corrected at the next build; see corrections and the methodology.