W B Mason CO INC (USDOT 348981)
2 issues to review.
- Operating authority
- No active operating authority on file with FMCSA. The federal bulk file showed this carrier active as of 2026-08-16. We could not confirm that live just now.
- Insurance on file
- No active liability (BIPD) insurance on file with FMCSA.
- Safety rating
- Conditional (rating decision 1993-10-13)
- Fleet on file
- 834 power units, 898 drivers
- Operation type
- Interstate
- Physical address
- 59 CENTRE ST, BROCKTON, MA 02301
- MCS-150 last filed
- 2025-12
Findings
- Conditional safety rating (Critical): FMCSA rating: Conditional. Compliance issues found at last review; carrier remains authorized to operate
- Fatal crash on record (last 24 months) (Caution): 1 fatal crash on FMCSA record in last 24 months
Frequently asked questions
What carrier is USDOT 348981?
USDOT 348981 is W B Mason CO INC, an interstate motor carrier.
What is W B Mason CO INC's USDOT number?
W B Mason CO INC's USDOT number is 348981. No MC docket number is on file.
Is W B Mason CO INC currently authorized to operate?
No active operating authority on file with FMCSA. The federal bulk file showed this carrier active as of 2026-08-16. We could not confirm that live just now. Source: FMCSA registration and licensing records.
Does W B Mason CO INC have insurance on file with FMCSA?
No active liability (BIPD) insurance on file with FMCSA.
What is W B Mason CO INC's safety record?
In the last 24 months, FMCSA records show a 11.0% vehicle out-of-service rate for W B Mason CO INC, from 32 of 290 vehicle inspections, against a national average of 22.9%. FMCSA records also show 14 reportable crashes in the same window.
What is W B Mason CO INC's CSA score?
FMCSA does not publish a single CSA score for carriers. W B Mason CO INC's public safety data includes its roadside inspection out-of-service rates and crash record, listed on this page.
What is W B Mason CO INC's FMCSA safety rating?
W B Mason CO INC's FMCSA safety rating is Conditional, from a review decided 1993-10-13.
Changes over time
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