TESTING SERVICE CORPORATION
USDOT 529311 · Doing business as T S C
Active, interstate carrier, small fleet (11 power units) — safety rating: satisfactory.
Vetting summary
At a glance
- Out-of-service rate0% 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 | 529311 |
|---|---|
| MC Number | — |
| Legal Name | TESTING SERVICE CORPORATION |
| DBA Name | T S C |
| Entity Type | CORPORATION |
| Phone | 6306533920 |
| Address | 457 EAST GUNDERSEN DRIVE, Carol Stream, IL, 60188-2492 |
Status
Authority & safety
| Operating Status | Active |
|---|---|
| Operation Type | Interstate |
| Safety Rating | S — Satisfactory (rated 20090820) |
| 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 | 67 / 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 | 3 |
|---|---|
| Out-of-Service Rate | 0% vs 19.1% national average |
Most frequent violation categories: 28 (2), 30 (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) | 11 |
|---|---|
| Drivers | 11 |
| Recent Annual Mileage | 37,000 |
| Last MCS-150 Filing | 21-JAN-25 |
TESTING SERVICE CORPORATION operates 11 power units — a larger fleet than 93% of carriers registered in IL.
Nearby
Other carriers in Carol Stream, IL
- K T C INC — USDOT 241991, 55 power units
- GLEN ELLYN STORAGE CORPORATION — USDOT 302509, 47 power units
- CLOW WATER SYSTEMS CORPORATON — USDOT 76138, 25 power units
- NORTH SHORE CANINE SUPPLY INC — USDOT 331205, 19 power units
- ROAD FABRICS INC — USDOT 452728, 18 power units
Browse all carriers in Carol Stream, IL or all IL carriers.