GRAND SLAM DIESEL SERVICES LLC: public contracts won without a rival in United States: 21 uncontested awards; 50% of its awards; 15 without a competition; 6 single bid.
Assay record ASY-US-1I35UMP17P · Cite as: Assay Systems, “GRAND SLAM DIESEL SERVICES LLC: public contracts won without a rival in United States”, https://assay-systems.com/register/us/uncontested/s/grand-slam-diesel-services-llc/
GRAND SLAM DIESEL SERVICES LLC won 21 of its 42 public contract awards in United States without a rival from 2024-01-31 to 2026-08-21, worth $488K: 15 without a competition and 6 after a competition that drew a single bid. 2 buyers awarded it without a rival, the largest U.S. Coast Guard with 19.
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.
U.S. Coast Guard gave GRAND SLAM DIESEL SERVICES LLC 40 awards: 13 without a competition, 6 after a competition with a single bid. First 2024-01-31, latest 2026-08-21.
Department of the Navy gave GRAND SLAM DIESEL SERVICES LLC 2 awards: 2 without a competition, 0 after a competition with a single bid. First 2025-05-14, latest 2025-05-29.
| Date | Buyer | How | Value | Stated reason |
|---|---|---|---|---|
| 2025-09-03 | U.S. Coast Guard 70Z04025PSBPL0100 | No competition NOT COMPETED | $19.8K | ONLY ONE SOURCE-OTHER (FAR 6.302-1 OTHER) |
| 2025-08-21 | U.S. Coast Guard 70Z04025PSBPL0093 | No competition NOT COMPETED | $19.2K | ONLY ONE SOURCE-OTHER (FAR 6.302-1 OTHER) |
| 2025-08-19 | U.S. Coast Guard 70Z04025PSBPL0092 | No competition NOT COMPETED | $14.7K | ONLY ONE SOURCE-OTHER (FAR 6.302-1 OTHER) |
| 2025-07-21 | U.S. Coast Guard 70Z04025PSBPL0089 | No competition NOT COMPETED | $14.2K | ONLY ONE SOURCE-OTHER (FAR 6.302-1 OTHER) |
| 2025-07-07 | U.S. Coast Guard 70Z04025PSBPL0081 | No competition NOT COMPETED | $11.5K | ONLY ONE SOURCE-OTHER (FAR 6.302-1 OTHER) |
| 2025-06-30 | U.S. Coast Guard 70Z04025PSBPL0080 | No competition NOT COMPETED | $18.0K | ONLY ONE SOURCE-OTHER (FAR 6.302-1 OTHER) |
Every uncontested award in United States · All countries · GRAND SLAM DIESEL SERVICES LLC in the register
Source: USAspending.gov prime award transactions (contracts). Awards are matched to their buyer and supplier as published. Updated 17 October 2026.