MAINSTREAM ENGINEERING CORP: public contracts won without a rival in United States: 44 uncontested awards; 42% of its awards; 1 without a competition; 43 single bid.
Assay record ASY-US-08CMVJ908R · Cite as: Assay Systems, “MAINSTREAM ENGINEERING CORP: public contracts won without a rival in United States”, https://assay-systems.com/register/us/uncontested/s/mainstream-engineering-corp/
MAINSTREAM ENGINEERING CORP won 44 of its 104 public contract awards in United States without a rival from 2023-10-11 to 2026-07-09, worth $15.5M: 1 without a competition and 43 after a competition that drew a single bid. 6 buyers awarded it without a rival, the largest Defense Logistics Agency with 26.
An award is uncontested when the buyer had no rival offer to weigh: it was made without a competition (direct award, negotiated procedure without a call for tenders, sole-source or advance-notice contract), or a competition was held and only one bid arrived. Every count below is built award by award from the official notices. Awards to individuals are not included.
Defense Logistics Agency gave MAINSTREAM ENGINEERING CORP 36 awards: 0 without a competition, 26 after a competition with a single bid. First 2023-10-16, latest 2026-07-09.
Department of the Air Force gave MAINSTREAM ENGINEERING CORP 12 awards: 0 without a competition, 6 after a competition with a single bid. First 2023-12-20, latest 2026-03-05.
Missile Defense Agency gave MAINSTREAM ENGINEERING CORP 6 awards: 0 without a competition, 5 after a competition with a single bid. First 2023-10-11, latest 2024-09-17.
Department of the Navy gave MAINSTREAM ENGINEERING CORP 22 awards: 1 without a competition, 3 after a competition with a single bid. First 2023-10-19, latest 2026-06-25.
Department of the Army gave MAINSTREAM ENGINEERING CORP 9 awards: 0 without a competition, 2 after a competition with a single bid. First 2023-10-18, latest 2026-03-20.
Defense Microelectronics Activity gave MAINSTREAM ENGINEERING CORP 3 awards: 0 without a competition, 1 after a competition with a single bid. First 2024-05-28, latest 2025-01-31.
| Date | Buyer | How | Value | Stated reason |
|---|---|---|---|---|
| 2026-06-30 | Defense Logistics Agency SPE8E826P7086 | Single bid COMPETED UNDER SAP | $5.8K | — |
| 2026-06-04 | Defense Logistics Agency SPE4A726PA673 | Single bid COMPETED UNDER SAP | $90.1K | — |
| 2026-03-31 | Department of the Navy M6785426C5302 | No competition NOT COMPETED | $1.5M | ONLY ONE SOURCE-OTHER (FAR 6.302-1 OTHER) |
| 2026-03-30 | Defense Logistics Agency SPE7MC26P1979 | Single bid COMPETED UNDER SAP | $4.2K | — |
| 2026-03-24 | Defense Logistics Agency SPE8E726P0644 | Single bid COMPETED UNDER SAP | $1.6K | — |
| 2026-03-05 | Defense Logistics Agency SPE8E823V1562 | Single bid COMPETED UNDER SAP | $-9,859 | — |
Every uncontested award in United States · All countries · MAINSTREAM ENGINEERING CORP in the register
Source: USAspending.gov prime award transactions (contracts). Awards are matched to their buyer and supplier as published. Updated 17 October 2026.