31-W INSULATION COMPANY INCORPORATED
USDOT 187106 · GOODLETSVILLE, TN
31-W Insulation Company Incorporated is a private property carrier based in Goodletsville, Tennessee, operating 434 power units and drivers since 1974. The carrier reported 42 driver inspections with a 14.3% out-of-service rate and 32 vehicle inspections with an 18.8% out-of-service rate, compared to the snapshot benchmark of 5.2% for drivers and 21.2% for vehicles. HaulReport-estimated percentiles across controlled substances (28.2), hours-of-service compliance (15.5), and vehicle maintenance (33.1) all fall in the low band, an independent estimate, not an official FMCSA or CSA score.
HaulReport interpretation — automatically generated from the public FMCSA data below and our percentile estimates, and checked against those source figures.
Estimated BASIC percentiles
Out-of-service rates
Out-of-service rate = inspections resulting in an out-of-service order ÷ inspections. The benchmark is the inspection-weighted rate across this FMCSA snapshot — not an official national average. Rates are shown only with at least 5 inspections.
MCS-150 biennial update
Due June 2026FMCSA sets each carrier's biennial update month from the last two digits of the USDOT number (last digit → month, second-to-last digit → odd/even year) — it is required even when nothing has changed. This is a schedule derived from the public rule, not a compliance determination. Verify and file on FMCSA · Deadline calculator
Carrier facts (public FMCSA data)
| USDOT number | 187106 |
|---|---|
| Legal name | 31-W INSULATION COMPANY INCORPORATED |
| Location | GOODLETSVILLE, TN |
| Operating classification | Not for-hire (per FMCSA census) |
| Power units (fleet size) | 434 |
| Drivers | 434 |
| Reported annual mileage | 1,200,000 (reported for 2021) · figure may be outdated |
| FMCSA registered | 1974 (~52 years) |
| Last MCS-150 update | February 5, 2024 |
| Next MCS-150 update due | June 2026 |
| Inspections (trailing 24 mo) | 42 |
| Published BASIC measures | 3 |