Underground Construction CO INC (USDOT 516591)
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One other active carrier is registered at this physical address. Shared addresses are common for freight offices and registered agents.
- DOT number
- USDOT 516591
- 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 25, 2026. We could not confirm that live just now.
- Insurance on file
- No active liability (BIPD) insurance on file with FMCSA.
- Safety rating
- No published safety rating
- Fleet on file
- 301 power units, 471 drivers
- Operation type
- Interstate
- Physical address
- 5145 INDUSTRIAL WAY, BENICIA, CA 94510
- MCS-150 last filed
- Jan 2025
Connected carriers
Other carriers linked to this one in FMCSA registration and roadside-inspection records:
Other carriers based in Benicia, CA
Companies whose FMCSA physical address is in Benicia, CA. Listed because of where they are based, nothing else.
- AASIM PROPANE AND GAS CORPORATION (USDOT 2916106)
- BAY EXPRESS LLC (USDOT 2986831)
- BENICIA PLUMBING INC (USDOT 2753077)
- ELGENDY & SORYAL GROUP (USDOT 2852851)
- LATHROP CONSTRUCTION ASSOCIATES INC (USDOT 4216099)
- QUALITY ERECTORS & CONSTRUCTION INC (USDOT 2674686)
- TEAM G LOGISTICS LLC (USDOT 3449298)
- TREJOS LLC (USDOT 4478850)
Frequently asked questions
What carrier is DOT 516591?
DOT 516591 (USDOT 516591) is Underground Construction CO INC, an interstate motor carrier.
What is Underground Construction CO INC's USDOT number?
Underground Construction CO INC's USDOT number is 516591. No MC docket number is on file.
Is Underground Construction CO INC 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 25, 2026. We could not confirm that live just now. Source: FMCSA registration and licensing records.
Does Underground Construction CO INC have insurance on file with FMCSA?
No active liability (BIPD) insurance on file with FMCSA.
What is Underground Construction CO INC's safety record?
In the last 24 months, FMCSA records show a 10.0% vehicle out-of-service rate for Underground Construction CO INC, from 5 of 50 vehicle inspections, against a national average of 22.9% (fleetfax-computed from FMCSA inspections, as of Sep 21, 2026). FMCSA records also show 0 recordable crashes in the same window.
What is Underground Construction CO INC's CSA score?
FMCSA does not publish a single CSA score for carriers. Underground Construction CO INC's public safety data includes its roadside inspection out-of-service rates and crash record, listed on this page.
What is Underground Construction CO INC's FMCSA safety rating?
Underground Construction CO INC has no published FMCSA safety rating. Most US carriers have never received a rating review, so an unrated carrier is the common case, not a warning sign by itself.
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Reconstructed from cached and fleetfax-ingested FMCSA public records, so it may be out of date. Records loaded Sep 25, 2026. Verify current status on FMCSA SAFER. fleetfax surfaces the facts; brokers make the judgment. FMCSA status