Carrier profile · USDOT 3553105 · MC-1190681 · Updated Jun 21, 2026
DIAMOND W LLC
12 power unitsRegional · 3 statesCLARINGTON, OH88/100
CARRIER ACTIVEMC-1190681 ACTIVEHAZMAT
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
- 50817 STATE ROUTE 556, CLARINGTON, OH, 43915
- Mailing address
- 3166 PIPE CT, GRAND JCT, CO, 81504-6237
- Operation
- Interstate· Hazmat
Contact
- Phone
- (970) 434-9435
- Fax
- (970) 242-8259
- Web domain
- diamondwco.com
Registration
- Officers
- James Dee Whiteley · Brian Cooper
- USDOT / docket
- 3553105 · MC-1190681
- First registered
- Jan 19, 2021
- Last MCS-150
- Jun 10, 2026 · 150,089 mi (2025)
- FMCSA safety rating
- Not rated
- Recordable crash rate
- 0.00
- D-U-N-S
- —
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.