Look up a carrier / DOT 421403
USDOT 421403INSULATION DISTRIBUTORS INC
2% out-of-service rate across 50 inspections.
This describes the roadside inspection record, not an official safety rating. FMCSA issues Satisfactory, Conditional and Unsatisfactory ratings through a separate compliance review, and most carriers have never been rated.
Inspection summary
| Inspections on file | 50 |
|---|---|
| Clean, no violations | 44 |
| Ended out of service | 1 |
| Out-of-service rate | 2.0% |
| Most recent | 2026-11-03 |
Showing the 50 most recent inspections held for this carrier. FMCSA keeps a rolling window, so this is a recent record rather than a lifetime one.
Recent inspections
| Date | State | Level | Violations | Service |
|---|---|---|---|---|
| 2026-11-03 | NC | Driver only | 1 | In service |
| 2026-10-30 | CO | Full | 0 | In service |
| 2026-10-30 | MD | Full | 0 | In service |
| 2026-10-29 | NM | Walk-around | 0 | In service |
| 2026-10-28 | CT | Driver only | 0 | In service |
| 2026-10-27 | CT | Driver only | 0 | In service |
| 2026-10-27 | WA | Full | 1 | In service |
| 2026-10-27 | NM | Walk-around | 1 | In service |
| 2026-10-27 | PA | Full | 0 | In service |
| 2026-10-22 | MT | Driver only | 0 | In service |
| 2026-10-15 | CA | Full | 0 | In service |
| 2026-10-14 | CA | Walk-around | 0 | In service |
| 2026-10-14 | CA | Full | 0 | In service |
| 2026-10-14 | CA | Full | 0 | In service |
| 2026-10-14 | CA | Full | 0 | In service |
| 2026-10-14 | FL | Driver only | 0 | In service |
| 2026-10-13 | VT | Driver only | 0 | In service |
| 2026-10-13 | PA | Driver only | 0 | In service |
| 2026-10-13 | NY | Walk-around | 0 | In service |
| 2026-10-12 | CA | Driver only | 0 | In service |
| 2026-10-12 | MA | Driver only | 2 | In service |
| 2026-10-08 | NJ | Driver only | 0 | In service |
| 2026-10-06 | LA | Walk-around | 0 | In service |
| 2026-10-01 | NC | Walk-around | 0 | In service |
| 2026-10-01 | NY | Driver only | 0 | In service |
Violations found
Every violation recorded across the most recent inspections. An out-of-service violation means the vehicle or driver was ordered off the road at the roadside.
| Code | Violation | Service |
|---|---|---|
| 392.2-SLLTCD | State/Local Laws - Failed to obey a traffic control device - Permanent or Temporary - e.g., safety official, signal, sign, light, lane marking, other | In service |
| 390.21TE-LCMVINFO | Leased CMV - Failing to have the required information on the rental agreement when the lease is not more than 30 days. | In service |
| 390.21TE-LCMVINFO | Leased CMV - Failing to have the required information on the rental agreement when the lease is not more than 30 days. | In service |
Source: FMCSA Company Census, Vehicle Inspection File and Inspections and Violations, via data.transportation.gov. Refreshed daily. Verify against FMCSA directly before relying on any of this to tender a load.