SOUTHWEST TRAILER SERVICE INC
USDOT 1221658
Active, interstate carrier, small fleet (6 power units) — no FMCSA safety rating on record (common).
Vetting summary
At a glance
- Out-of-service rate16.7% vs 19.1% national avg
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 | 1221658 |
|---|---|
| MC Number | — |
| Legal Name | SOUTHWEST TRAILER SERVICE INC |
| DBA Name | — |
| Entity Type | — |
| Phone | 5032863911 |
| Address | 21605 NE 10TH AVE, Ridgefield, WA, 98642 |
Status
Authority & safety
| Operating Status | Active |
|---|---|
| Operation Type | Interstate |
| Safety Rating | None on record — most carriers have not received a formal FMCSA safety rating. |
| Hazmat Flag | false |
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.
Our scoring
Safety scores
| Unsafe Driving | 91 / 100 |
|---|---|
| Hours-of-Service Compliance | 0 / 100 |
| Driver Fitness | 93 / 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 | 6 |
|---|---|
| Out-of-Service Rate | 16.7% vs 19.1% national average |
Most frequent violation categories: 14 (3), 12 (2), 1 (1).
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) | 6 |
|---|---|
| Drivers | 13 |
| Recent Annual Mileage | 120,000 |
| Last MCS-150 Filing | 30-APR-26 |
SOUTHWEST TRAILER SERVICE INC operates 6 power units — a larger fleet than 91% of carriers registered in WA.
Nearby
Other carriers in Ridgefield, WA
- PETS ONLY INC — USDOT 1130892, 12 power units
- NORTHERN LOGISTICS LTD — USDOT 1498585, 10 power units
- CANFIELD TRANSFER LLC — USDOT 1232865, 5 power units
- TEAM BASHAW LLC — USDOT 1250474, 5 power units
- JASON LOGISTICS LLC — USDOT 1374682, 5 power units
Browse all carriers in Ridgefield, WA or all WA carriers.