COMPORIUM INC
USDOT 390573
Active, interstate carrier, mid-size fleet (96 power units) — safety rating: satisfactory.
Vetting summary
At a glance
- Crashes (24 months)2 reported — involvement does not imply fault
- Linked registrations1 share this carrier's phone or address
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 | 390573 |
|---|---|
| MC Number | — |
| Legal Name | COMPORIUM INC |
| DBA Name | — |
| Entity Type | CORPORATION |
| Phone | 8033266265 |
| Address | 200 OLD RAWLINSON RD, Rock Hill, SC, 29732-5377 |
Status
Authority & safety
| Operating Status | Active |
|---|---|
| Operation Type | Interstate |
| Safety Rating | S — Satisfactory (rated 19910809) |
| 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 | 0 / 100 |
|---|---|
| Hours-of-Service Compliance | 0 / 100 |
| Driver Fitness | 0 / 100 |
| Controlled Substances & Alcohol | 0 / 100 |
| Vehicle Maintenance | 0 / 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)
| Crashes | 2 total (0 fatal, 1 with injuries, 2 towaway) |
|---|
- 2025-10-13 — SC — towaway
- 2025-05-01 — SC — 1 injured, towaway
Crash involvement does not imply fault. FMCSA crash records list all reportable crashes involving a carrier, regardless of who caused them.
Signals
Linked registrations
1 other active carrier registration share this carrier's phone or address in FMCSA records.
Shared contact details can have many ordinary explanations, such as a shared dispatch service, registration agent, or office address.
Equipment
Fleet & operations
| Power Units (trucks) | 96 |
|---|---|
| Drivers | 40 |
| Recent Annual Mileage | 862,168 |
| Last MCS-150 Filing | 12-AUG-25 |
COMPORIUM INC operates 96 power units — a larger fleet than 100% of carriers registered in SC.
Nearby
Other carriers in Rock Hill, SC
- ROCK HILL CONCRETE CO INC — USDOT 158826, 58 power units
- YORK TRANSPORTATION INC — USDOT 223617, 49 power units
- MATTHEWS CONSTRUCTION COMPANY INC — USDOT 340451, 42 power units
- M LOWENSTEIN CORPORATION — USDOT 106327, 41 power units
- CULP PETROLEUM COMPANY INC — USDOT 63141, 37 power units
Browse all carriers in Rock Hill, SC or all SC carriers.