TESTING SERVICE CORPORATION
DBA: T S C
TESTING SERVICE CORPORATION (USDOT 529311) is a CAROL STREAM, Illinois-based motor carrier with 33+ years of FMCSA-registered operations. With 11 power units and 11 drivers, the company operates as a smaller fleet carrier. Their vehicle out-of-service rate of 0.0% is below the national average of 20.7%, suggesting relatively well-maintained equipment. The carrier has only 0% of required liability insurance on file — a coverage gap of $750K. Our composite safety score rates this carrier at 65/100, indicating a mixed safety profile that warrants closer review.
Insurance Coverage Gap
This carrier has $0 in liability insurance on file but $750K is required — a shortfall of $750K (0% of required coverage).
Company Details
- Legal Name
- TESTING SERVICE CORPORATION
- USDOT Number
- 529311
- Entity Type
- CARRIER
- Address
- 457 EAST GUNDERSEN DRIVE
CAROL STREAM, IL 60188-2492 - Phone
- (630) 653-3920
- Carrier Operation
- Interstate
- Last MCS-150 Update
- January 21, 2025
Inspection Record
| Type | Total | OOS | Rate | Nat'l Avg |
|---|---|---|---|---|
| Vehicle | 1 | 0 | 0.0% | 20.7% |
| Driver | 1 | 0 | 0.0% | 5.5% |
| Hazmat | 0 | 0 | 0.0% | 4.5% |
BASICs Safety Scores
Higher percentile = worse safety performance. Scores above 75% may trigger FMCSA intervention.
Location
457 EAST GUNDERSEN DRIVE, CAROL STREAM, IL 60188-2492
Frequently Asked Questions
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Source: FMCSA Safety and Fitness Electronic Records (SAFER) System