Testing Service Corporation (USDOT 529311)
No blockers or cautions found.
- DOT number
- USDOT 529311
- Operating authority
- No active operating authority on file with FMCSA. The federal bulk file showed this carrier active as of 2026-08-29. We could not confirm that live just now.
- Insurance on file
- No active liability (BIPD) insurance on file with FMCSA.
- Safety rating
- Satisfactory (rating decision 2009-08-20)
- Fleet on file
- 11 power units, 11 drivers
- Operation type
- Interstate
- Physical address
- 457 EAST GUNDERSEN DRIVE, CAROL STREAM, IL 60188-2492
- MCS-150 last filed
- 2025-01
Findings
- Safety rating is more than 5 years old (Note): Rating Satisfactory issued 2009-08-20 (17 years ago); most recent FMCSA review 2009-08-19 (17 years ago). Both exceed the 5-year audit cycle
Frequently asked questions
What carrier is DOT 529311?
DOT 529311 (USDOT 529311) is Testing Service Corporation, an interstate motor carrier.
What is Testing Service Corporation's USDOT number?
Testing Service Corporation's USDOT number is 529311. No MC docket number is on file.
Is Testing Service Corporation currently authorized to operate?
No active operating authority on file with FMCSA. The federal bulk file showed this carrier active as of 2026-08-29. We could not confirm that live just now. Source: FMCSA registration and licensing records.
Does Testing Service Corporation have insurance on file with FMCSA?
No active liability (BIPD) insurance on file with FMCSA.
What is Testing Service Corporation's safety record?
In the last 24 months, FMCSA records show 0 of 4 vehicle inspections ending out-of-service for Testing Service Corporation, too few inspections for a stable rate. FMCSA records also show 0 recordable crashes in the same window.
What is Testing Service Corporation's CSA score?
FMCSA does not publish a single CSA score for carriers. Testing Service Corporation's public safety data includes its roadside inspection out-of-service rates and crash record, listed on this page.
What is Testing Service Corporation's FMCSA safety rating?
Testing Service Corporation's FMCSA safety rating is Satisfactory, from a review decided 2009-08-20.
Changes over time
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Carriers based in Carol Stream, IL
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Reconstructed from cached and fleetfax-ingested FMCSA public records (live FMCSA was unavailable) and may be out of date; verify current status on FMCSA SAFER. fleetfax surfaces the facts; brokers make the judgment. FMCSA status