MAINLINE INDUSTRIES INC
USDOT 1922797 · Active · Doing business as MAINLINE TRUCKING
Active, interstate carrier, small fleet (2 power units) — no FMCSA safety rating on record (common).
Carrier identity
| USDOT Number | 1922797 |
|---|---|
| MC Number | MC-687920 |
| Legal Name | MAINLINE INDUSTRIES INC |
| DBA Name | MAINLINE TRUCKING |
| Entity Type | — |
| Phone | 3604300681 |
| Address | 858 SI TOWN RD, Castle Rock, WA, 98611 |
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.
Fleet & operations
| Power Units (trucks) | 2 |
|---|---|
| Drivers | 2 |
| Recent Annual Mileage | 129,646 |
| Last MCS-150 Filing | 30-JUL-25 |
MAINLINE INDUSTRIES INC operates 2 power units — a larger fleet than 62% of carriers registered in WA.
Other carriers in Castle Rock, WA
- MOLINE EXCAVATING & DEVELOPMENT LLC — USDOT 1805766, 4 power units
- KEN DOBLE — USDOT 2066218, 4 power units
- HORSLEY TIMBER & CONSTRUCTION INC — USDOT 1911113, 3 power units
- JESSE L AMOS JR — USDOT 1911942, 3 power units
- TRIPLE S EXCAVATION LLC — USDOT 1978577, 3 power units
Browse all carriers in Castle Rock, WA or all WA carriers.