CORNERSTONE SUPPLY INC
USDOT 3181723
Active, intrastate (non-hazmat) carrier, small fleet (2 power units) — no FMCSA safety rating on record (common).
Vetting summary
At a glance
- Crashes (24 months)1 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 | 3181723 |
|---|---|
| MC Number | — |
| Legal Name | CORNERSTONE SUPPLY INC |
| DBA Name | — |
| Entity Type | — |
| Phone | 5084600088 |
| Address | 890 BOSTON POST RD, Marlborough, MA, 01752 |
Status
Authority & safety
| Operating Status | Active |
|---|---|
| Operation Type | Intrastate (Non-Hazmat) |
| Safety Rating | None on record — most carriers have not received a formal FMCSA safety rating. |
| 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.
Safety events
Inspections & crashes (last 24 months)
| Crashes | 1 total (0 fatal, 0 with injuries, 1 towaway) |
|---|
- 2025-09-25 — MA — towaway
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) | 2 |
|---|---|
| Drivers | 5 |
| Recent Annual Mileage | 30,000 |
| Last MCS-150 Filing | 31-MAR-26 |
CORNERSTONE SUPPLY INC operates 2 power units — a larger fleet than 57% of carriers registered in MA.
Nearby
Other carriers in Marlborough, MA
- JCS PRODUCE — USDOT 3514232, 11400 power units
- PRIMAVERA LANDSCAPING & CONSTRUCTION INC — USDOT 3282497, 13 power units
- WAYSIDE GLASS & MIRROR COMPANY INC — USDOT 3359695, 13 power units
- GIOMBETTI ELECTRIC INC — USDOT 3129100, 11 power units
- THE DACOSTA CO INC — USDOT 3277418, 11 power units
Browse all carriers in Marlborough, MA or all MA carriers.