Brock Industrial Services LLC (USDOT 388704)
MonitorFindings
Vehicle maintenance ranks 80 of 100 among similar carriers with recent violations (higher = worse). fleetfax peer estimate, not an official CSA score.
Rating Satisfactory issued Oct 11, 1990 (35 years ago); most recent FMCSA review Sep 6, 1990 (36 years ago). Both exceed the 5-year audit cycle
One other active company uses this carrier’s mailing address and shares its business name, a phone number, or a company officer. Shared mailing addresses can be legitimate — subsidiaries and shared back offices are common.
- DOT number
- USDOT 388704
- Operating authority
- Federal operating authority is not required — private carrier operation. The federal bulk file showed this carrier's USDOT registration active as of Sep 13, 2026. 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 Oct 11, 1990)
- Fleet on file
- 30 power units, 31 drivers
- Operation type
- Interstate
- Physical address
- 2210 OAK LEAF ST, JOILET, IL 60436
- MCS-150 last filed
- Apr 2026
Connected carriers
Other carriers linked to this one in FMCSA registration and roadside-inspection records:
Frequently asked questions
What carrier is DOT 388704?
DOT 388704 (USDOT 388704) is Brock Industrial Services LLC, an interstate motor carrier.
What is Brock Industrial Services LLC's USDOT number?
Brock Industrial Services LLC's USDOT number is 388704. No MC docket number is on file.
Is Brock Industrial Services LLC currently authorized to operate?
Federal operating authority is not required — private carrier operation. The federal bulk file showed this carrier's USDOT registration active as of Sep 13, 2026. We could not confirm that live just now. Source: FMCSA registration and licensing records.
Does Brock Industrial Services LLC have insurance on file with FMCSA?
No active liability (BIPD) insurance on file with FMCSA.
What is Brock Industrial Services LLC's safety record?
In the last 24 months, FMCSA records show 2 of 6 vehicle inspections ending out-of-service for Brock Industrial Services LLC, too few inspections for a stable rate. FMCSA records also show 0 recordable crashes in the same window.
What is Brock Industrial Services LLC's CSA score?
FMCSA does not publish a single CSA score for carriers. Brock Industrial Services LLC's public safety data includes its roadside inspection out-of-service rates and crash record, listed on this page.
What is Brock Industrial Services LLC's FMCSA safety rating?
Brock Industrial Services LLC's FMCSA safety rating is Satisfactory, from a review decided Oct 11, 1990.
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Reconstructed from cached and fleetfax-ingested FMCSA public records, so it may be out of date. Records loaded Sep 13, 2026. Verify current status on FMCSA SAFER. fleetfax surfaces the facts; brokers make the judgment. FMCSA status