Carrier profile · USDOT 438631 · Updated Jun 13, 2026
Knowles Industrial Services Corp
7 power unitsRegional · 3 statesGORHAM, ME93/100
AUTHORITY STATUS UNKNOWNRATED SATISFACTORYHAZMAT
Equipment
Haulable capacity (power units only — trailers are towed context), equipment mix, and the VIN-decoded unit roster. Click any VIN to trace that unit across every carrier that has run it.
Capacity· power units = haulable capacity; trailers are towed
- Registered power units (MCS-150)
- 7
- Observed power (24 mo)
- 5
- Trailers (towed)
- 3
Capacity is power units only — trailers are towed equipment and are never summed into a fleet-size figure.
Unit roster· VIN-decoded from inspections · NHTSA vPIC
| VIN | Type | Year | Make | Model | Insp. | Last seen |
|---|---|---|---|---|---|---|
| 1HTKHPVKXKH827662View sourced platform decode | Power unit | 2019 | CHEV | — | 2 | Feb 3, 2026 |
| 4P5T62428L3040032View sourced platform decode | Trailer | 2020 | PJTM | — | 1 | Feb 3, 2026 |
| 3881883 | Trailer | — | REED | — | 1 | Sep 26, 2025 |
| 1HTKHPVK2RH412071View sourced platform decode | Power unit | 2024 | CHEV | — | 1 | Sep 26, 2025 |
| 5KKHBWDR7SLVS8109View sourced platform decode | Power unit | 2025 | WESTERN ST | — | 1 | Aug 13, 2025 |
| 5SPTD3039HW2K0803View sourced platform decode | Trailer | 2017 | OTHR | — | 1 | May 30, 2025 |
| 1NPCLP0X8RD679069View sourced platform decode | Power unit | 2024 | PTRB | — | 1 | May 30, 2025 |
| 200601260053 | Trailer | — | SULLA | — | 1 | Sep 5, 2024 |
| 1HTKHPVK6KH863753View sourced platform decode | Power unit | 2019 | CHEV | — | 1 | Sep 5, 2024 |
Showing 9 · most-inspected first.