Look up a carrier / DOT 421403
USDOT 421403INSULATION DISTRIBUTORS INC
4% 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 | 36 |
| Ended out of service | 2 |
| Out-of-service rate | 4.0% |
| Most recent | 2026-07-30 |
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 |
|---|---|---|---|---|
| 2026-07-30 | WA | Full | 2 | In service |
| 2026-07-29 | TN | Driver only | 0 | In service |
| 2026-07-29 | WA | Full | 0 | In service |
| 2026-07-28 | CA | Full | 0 | In service |
| 2026-07-28 | LA | Full | 0 | In service |
| 2026-07-27 | ID | Full | 5 | Out of service |
| 2026-07-23 | VA | Driver only | 0 | In service |
| 2026-07-21 | UT | Full | 0 | In service |
| 2026-07-21 | CO | Driver only | 1 | In service |
| 2026-07-20 | MA | Driver only | 1 | In service |
| 2026-07-20 | CA | Full | 0 | In service |
| 2026-07-20 | CO | Full | 0 | In service |
| 2026-07-17 | VT | Driver only | 0 | In service |
| 2026-07-14 | NY | Driver only | 0 | In service |
| 2026-07-14 | PA | Driver only | 0 | In service |
| 2026-07-14 | TN | Full | 0 | In service |
| 2026-07-14 | FL | Driver only | 0 | In service |
| 2026-07-10 | IL | Full | 4 | Out of service |
| 2026-07-10 | LA | Full | 0 | In service |
| 2026-07-08 | WA | Driver only | 0 | In service |
| 2026-07-06 | AL | Full | 0 | In service |
| 2026-06-30 | WA | Driver only | 0 | In service |
| 2026-06-29 | MT | Full | 0 | In service |
| 2026-06-25 | CT | Walk-around | 0 | In service |
| 2026-06-25 | 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 |
|---|---|---|
| 393.47E | Brake Out of Adjustment - Roto, Clamp (Short & Long), DD-3, or Bolt | In service |
| 393.53B | CMV manufactured after 10/19/94 has an automatic airbrake adjustment system that fails to compensate for wear | In service |
| 396.3A1BOS | BRAKES OUT OF SERVICE: The number of defective brakes is equal to or greater than 20 percent of the service brakes on the vehicle or combination | Out of service |
| 392.2-SLLEWG1 | State/Local Laws - Excessive weight - 1-2500 lbs over on allowable gross weight | In service |
| 392.2-SLL | State/Local Laws - | In service |
| 392.2-SLLML | State/Local Laws - Failure to maintain lane | In service |
| 392.2-SLLSR | State/Local Laws - State registration/tag violation | In service |
| 392.2-SLLEWA1 | State/Local Laws - Excessive weight - 1-2500 lbs over on an axle/axle groups | In service |
| 383.23A2-LCDLN | License (CDL) - Operate a CMV and does not possess a valid CDL | Out of service |
| 392.2-SLLIFTA | State/Local Laws - State tax/International Fuel Tax (IFTA) violation | In service |
| 395.8A | HOS (Form) - Paper Log/Logging Programs Form and Manner | In service |
| 393.95F | Emergency Equipment - Stopped vehicle warning devices missing or improper | In service |
| 390.21TB1-MC | Operating a CMV without legal name or trade name displayed | 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.