SOUTHWEST IOWA ROCK & SAND INC
USDOT 507735
Inactive, interstate carrier, small fleet (9 power units) — no FMCSA safety rating on record (common).
Vetting summary
At a glance
- Crashes (24 months)1 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 | 507735 |
|---|---|
| MC Number | MC-259566 |
| Legal Name | SOUTHWEST IOWA ROCK & SAND INC |
| DBA Name | — |
| Entity Type | CORPORATION |
| Phone | 7126235887 |
| Address | 2348 STATE HIGHWAY 48, Red Oak, IA, 51566 |
Status
Authority & safety
| Operating Status | Inactive |
|---|---|
| Operation Type | Interstate |
| Safety Rating | None on record — most carriers have not received a formal FMCSA safety rating. |
| Hazmat Flag | — |
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.
Safety events
Inspections & crashes (last 24 months)
| Crashes | 1 total (0 fatal, 0 with injuries, 1 towaway) |
|---|
- 2026-02-06 — MI — towaway
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) | 9 |
|---|---|
| Drivers | 8 |
| Recent Annual Mileage | — |
| Last MCS-150 Filing | — |
SOUTHWEST IOWA ROCK & SAND INC operates 9 power units — a larger fleet than 94% of carriers registered in IA.
Nearby
Other carriers in Red Oak, IA
- GU TRUCKING LLC — USDOT 607272, 29 power units
- FARMERS MERCANTILE CO — USDOT 384772, 27 power units
- RED OAK GREENHOUSES INC — USDOT 22562, 24 power units
- RED OAK FARM SUPPLY INC — USDOT 428794, 8 power units
- RED OAK INDUSTRIAL GASES INC — USDOT 391193, 6 power units
Browse all carriers in Red Oak, IA or all IA carriers.