MASON SUPPLY SOURCE LLC
USDOT 3765638 · Doing business as STONEWORKS
Active, intrastate (non-hazmat) carrier, small fleet (2 power units) — no FMCSA safety rating on record (common).
Vetting summary
At a glance
- Out-of-service rate50% vs 19.1% national avg
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 | 3765638 |
|---|---|
| MC Number | — |
| Legal Name | MASON SUPPLY SOURCE LLC |
| DBA Name | STONEWORKS |
| Entity Type | — |
| Phone | 6312733323 |
| Address | 163-165 BRIDGE RD STE 100, Islandia, NY, 11749 |
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)
| Inspections | 4 |
|---|---|
| Out-of-Service Rate | 50% vs 19.1% national average |
Most frequent violation categories: 16 (1), 20 (1), 26 (1).
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 | 1 |
| Recent Annual Mileage | 20,000 |
| Last MCS-150 Filing | 13-APR-26 |
MASON SUPPLY SOURCE LLC operates 2 power units — a larger fleet than 61% of carriers registered in NY.
Nearby
Other carriers in Islandia, NY
- RHEEM DISTRIBUTION HOLDING INC — USDOT 3645108, 24 power units
- TIKAL DISTRIBUTION INC — USDOT 3632402, 4 power units
- LONG ISLAND TRANSPORT GROUP INC — USDOT 3956056, 4 power units
- KENUL FAMILY PROVISIONS INC — USDOT 4007896, 4 power units
- YOHENDY AND 3 BROTHERS TRANSPORT CORP — USDOT 3727458, 2 power units
Browse all carriers in Islandia, NY or all NY carriers.