Carrier profile · USDOT 2687623 · Updated Jun 13, 2026
UNDERGROUND BUILDERS DBA UNDERGROUND MANHOLES
DBA UNDERGROUND MANHOLES
0 power unitsSAN BERNARDINO, CA50/100
AUTHORITY STATUS UNKNOWN
Network & Fraud
Reincarnation chains, shared-VIN links, common domains and officers, and owner-group affiliations — the chameleon / double-broker signals that name-and-USDOT lookups miss.
Shares a company officer with other carriers
robert j williams — 8 carriers: USDOT 801823USDOT 1780767USDOT 1861804USDOT 2148341USDOT 2319027USDOT 2765635USDOT 3951114
Owner / group view· confidence: officer
Owner / group view
Affiliated authorities
Collapses 8 related authorities · joined by officer
- Authorities
- 8
- Combined power
- 17
- States
- 6
- Oldest authority
- Mar 23, 1999
- Active now
- 5
- UNDERGROUND BUILDERS DBA UNDERGROUND MANHOLES· viewingUSDOT 26876230PU
- RELIABLE ROLL OFF WASTE SYSTEMS INCUSDOT 23190278PU
- BOB WILLIAMS NURSERY INCUSDOT 27656352PU
- INTER C INTERCONTINENTAL INCUSDOT 39511142PU
- WILLIAMS BROTHERS PLUMBINGUSDOT 18618042PU
- ROBERT J WILLIAMSUSDOT 21483411PU
- RJW FINE FURNITURE DELIVERY SERVICE LLCUSDOT 17807671PU
- ROBERT J WILLIAMSUSDOT 8018231PU