Identity & Federal · Carrier profile · USDOT 145252
THE DIAMOND ENGINEERING CO
GRAND ISLAND, NE 86
Identity & Federal
The official FMCSA identity — legal name, DBA, addresses, contact, officers, and registration — alongside the daily-captured federal-record activity feed, monitored daily by Vektor.
Location
- Physical address
- 1521 W ANNA, GRAND ISLAND, NE, 68801
- Mailing address
- PO BOX 1327, GRAND ISLAND, NE, 68802
- Operation
- Interstate
Contact
- Phone
- (308) 382-8362
- Web domain
- diamondeng.com
Registration
- Officers
- James Harder · Douglas Sass
- USDOT / docket
- 145252
- First registered
- 06/01/1974
- Last MCS-150
- 12/18/2025 · 32,000 mi (2024)
- FMCSA safety rating
- Conditional · 05/06/2010
- D-U-N-S
- 8910143
Fleet (self-reported · MCS-150)
MCS-150 filing history· biennial-update cadence
Per-filing MCS-150 history (each biennial update + the fleet/mileage it reported) is being captured from the daily federal feed and will appear here as we capture the full history.
Federal record activity· monitored daily by Vektor
No licensing or insurance changes captured since Vektor began monitoring this carrier (June 2026). Quiet is usually good.