DIAMOND TRUCKING INC
USDOT 491637 · Doing business as DIAMOND TRUCKING
Active, interstate carrier, mid-size fleet (76 power units) — safety rating: satisfactory. Insurance filings show 2 coverage gaps in this carrier's history.
Vetting summary
At a glance
- Insurance on fileGeneral Star Indemnity Company
- Coverage gaps2 in filing history
- Out-of-service rate1.3% vs 19.1% national avg
- Crashes (24 months)7 reported — involvement does not imply fault
These signals summarize the records shown below — they are a starting point for your own checks, not a judgment of the carrier.
Registration
Carrier identity
| USDOT Number | 491637 |
|---|---|
| MC Number | MC-240905 |
| Legal Name | DIAMOND TRUCKING INC |
| DBA Name | DIAMOND TRUCKING |
| Entity Type | INDIVIDUAL |
| Phone | 6022787399 |
| Address | 5701 W VAN BUREN ST, Phoenix, AZ, 85043 |
Status
Authority & safety
| Operating Status | Active |
|---|---|
| Operation Type | Interstate |
| Safety Rating | S — Satisfactory (rated 20081001) |
| Hazmat Flag | true |
Safety ratings: S = Satisfactory, C = Conditional, U = Unsatisfactory. A carrier with no rating has not been through a full FMCSA compliance review — this is common and not itself a red flag.
Filings
Insurance
| Current Insurer | General Star Indemnity Company |
|---|---|
| Coverage on File | $3,000,000 |
| Insurance on File Since | 2026-06-01 |
2 coverage gaps detected in filing history.
| Insurer | Coverage | Form | Effective | Cancelled |
|---|---|---|---|---|
| General Star Indemnity Company | $3,000,000 | BMC-35 | 2026-06-01 | 2026-06-01 |
| General Star Indemnity Company | $3,000,000 | BMC-91X | 2026-06-01 | — |
| General Star Indemnity Company | $3,000,000 | BMC-91X | 2025-06-01 | — |
| National Interstate Insurance Company | $5,000 | BMC-34 | 2022-05-01 | — |
| National Interstate Insurance Company | $2,000,000 | BMC-91X | 2022-05-01 | — |
Timeline
Authority history
| Authority Events on Record | 1 |
|---|
- 2023-05-15 — Reinstated — Motor Carrier of Property (Except Household Goods) Active REINSTATED
Our scoring
Safety scores
| Unsafe Driving | 81 / 100 |
|---|---|
| Hours-of-Service Compliance | 82 / 100 |
| Driver Fitness | 0 / 100 |
| Controlled Substances & Alcohol | 0 / 100 |
| Vehicle Maintenance | 65 / 100 |
Scores are 0-100 rankings computed by us from public FMCSA inspection measures; higher = worse relative to peers. Not official CSA/BASIC percentiles. How these scores are computed.
Safety events
Inspections & crashes (last 24 months)
| Inspections | 156 |
|---|---|
| Out-of-Service Rate | 1.3% vs 19.1% national average |
| Crashes | 7 total (0 fatal, 1 with injuries, 7 towaway) |
- 2026-05-24 — AZ — towaway
- 2026-05-19 — AZ — 1 injured, towaway
- 2025-06-28 — AZ — towaway
- 2025-05-04 — AZ — towaway
- 2024-09-22 — AZ — towaway
Most frequent violation categories: 16 (10), 14 (6), 12 (5).
Crash involvement does not imply fault. FMCSA crash records list all reportable crashes involving a carrier, regardless of who caused them.
Equipment
Fleet & operations
| Power Units (trucks) | 76 |
|---|---|
| Drivers | 81 |
| Recent Annual Mileage | 6,043,936 |
| Last MCS-150 Filing | 14-JAN-26 |
DIAMOND TRUCKING INC operates 76 power units — a larger fleet than 99% of carriers registered in AZ.
Nearby
Other carriers in Phoenix, AZ
- SWIFT TRANSPORTATION COMPANY OF ARIZONA LLC — USDOT 54283, 12940 power units
- KNIGHT TRANSPORTATION INC — USDOT 428823, 3200 power units
- NPL CONSTRUCTION CO — USDOT 116231, 2130 power units
- ALLIED WASTE SERVICES OF NORTH AMERICA LLC — USDOT 523181, 1817 power units
- CENTRAL REFRIGERATED SERVICE INC — USDOT 21331, 1800 power units
Browse all carriers in Phoenix, AZ or all AZ carriers.