W B MASON CO INC
USDOT 348981
Active, interstate carrier, large fleet (834 power units) — safety rating: conditional.
Vetting summary
At a glance
- Out-of-service rate8.5% vs 19.1% national avg
- Crashes (24 months)16 reported — involvement does not imply fault
These signals summarize the records shown below — they are a starting point for your own checks, not a judgment of the carrier.
Registration
Carrier identity
| USDOT Number | 348981 |
|---|---|
| MC Number | — |
| Legal Name | W B MASON CO INC |
| DBA Name | — |
| Entity Type | CORPORATION |
| Phone | 6175107830 |
| Address | 59 CENTRE ST, Brockton, MA, 02301 |
Status
Authority & safety
| Operating Status | Active |
|---|---|
| Operation Type | Interstate |
| Safety Rating | C — Conditional (rated 19931013) |
| 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.
Our scoring
Safety scores
| Unsafe Driving | 79 / 100 |
|---|---|
| Hours-of-Service Compliance | 81 / 100 |
| Driver Fitness | 87 / 100 |
| Controlled Substances & Alcohol | 0 / 100 |
| Vehicle Maintenance | 70 / 100 |
Scores are 0-100 rankings computed by us from public FMCSA inspection measures; higher = worse relative to peers. Not official CSA/BASIC percentiles. How these scores are computed.
Safety events
Inspections & crashes (last 24 months)
| Inspections | 505 |
|---|---|
| Out-of-Service Rate | 8.5% vs 19.1% national average |
| Crashes | 16 total (1 fatal, 8 with injuries, 15 towaway) |
- 2026-03-05 — PA — 1 injured, towaway
- 2025-10-08 — NH — towaway
- 2025-09-09 — NY — 2 injured
- 2025-02-28 — NJ — 1 injured, towaway
- 2025-02-27 — NY — 1 fatal, 1 injured, towaway
Most frequent violation categories: 51 (50), 20 (49), 16 (37).
Crash involvement does not imply fault. FMCSA crash records list all reportable crashes involving a carrier, regardless of who caused them.
Equipment
Fleet & operations
| Power Units (trucks) | 834 |
|---|---|
| Drivers | 898 |
| Recent Annual Mileage | 24,574,757 |
| Last MCS-150 Filing | 11-DEC-25 |
W B MASON CO INC operates 834 power units — a larger fleet than 100% of carriers registered in MA.
Nearby
Other carriers in Brockton, MA
- SONEPAR DISTRIBUTION NEW ENGLAND INC — USDOT 387421, 88 power units
- MELVILLE PRIVATE CARTAGE DU MELVILLE CORP — USDOT 18098, 78 power units
- TILCON MASSACHUSETTS INC — USDOT 401513, 67 power units
- EASTERN EDISON BROCKTON INC — USDOT 359260, 48 power units
- BOCO TRANSPORT INC — USDOT 238167, 42 power units
Browse all carriers in Brockton, MA or all MA carriers.