SULAM CORP
USDOT 295779 · Doing business as TRI STATE PAVING SERVICE
Active, interstate carrier, small fleet (8 power units) — no FMCSA safety rating on record (common).
Vetting summary
At a glance
- Out-of-service rate25% 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 | 295779 |
|---|---|
| MC Number | — |
| Legal Name | SULAM CORP |
| DBA Name | TRI STATE PAVING SERVICE |
| Entity Type | CORPORATION |
| Phone | 5635830854 |
| Address | 17656 SOUTH JOHN DEERE RD, Dubuque, IA, 52001 |
Status
Authority & safety
| Operating Status | Active |
|---|---|
| Operation Type | Interstate |
| 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.
Our scoring
Safety scores
| Unsafe Driving | 84 / 100 |
|---|---|
| Hours-of-Service Compliance | 0 / 100 |
| Driver Fitness | 95 / 100 |
| Controlled Substances & Alcohol | 0 / 100 |
| Vehicle Maintenance | 65 / 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 | 4 |
|---|---|
| Out-of-Service Rate | 25% vs 19.1% national average |
Most frequent violation categories: 47 (4), 1 (1), 12 (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) | 8 |
|---|---|
| Drivers | 7 |
| Recent Annual Mileage | 20,000 |
| Last MCS-150 Filing | 28-OCT-25 |
SULAM CORP operates 8 power units — a larger fleet than 93% of carriers registered in IA.
Nearby
Other carriers in Dubuque, IA
- HIRSCHBACH MOTOR LINES LLC — USDOT 65769, 2948 power units
- FOODLINER INC — USDOT 46257, 1226 power units
- WISCONSIN POWER AND LIGHT COMPANY — USDOT 166001, 604 power units
- INTERSTATE POWER 7 LIGHT — USDOT 216333, 540 power units
- W W TRANSPORT INC — USDOT 451896, 460 power units
Browse all carriers in Dubuque, IA or all IA carriers.