Carrier profile · USDOT 388704 · Updated Jul 18, 2026
BROCK INDUSTRIAL SERVICES LLC
30 power unitsavg 4 yrLocal · 2 statesJOILET, IL100/100
AUTHORITY STATUS UNKNOWNRATED SATISFACTORY
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 registration email domain with other carriers
@brockgroup.com — 9 carriers: USDOT 52790USDOT 386119USDOT 525906USDOT 654155USDOT 817687USDOT 1584133USDOT 2048045USDOT 3189096
Capacity consistency· registered vs roadside-observed power units
Registered (MCS-150)3030
Observed (24 mo)11
Registered capacity materially exceeds what is observed roadside — the MCS-150 may be stale or the fleet under-utilized.
Owner / group view· confidence: email domain
Owner / group view
Affiliated authorities
Collapses 9 related authorities · joined by email domain
- Authorities
- 9
- Combined power
- 131
- States
- 4
- Oldest authority
- Jun 1, 1974
- Active now
- 4
- BROCK INDUSTRIAL SERVICES LLC· viewingUSDOT 38870430PU
- BROCK SERVICES LLCUSDOT 158413350PU
- BRINDERSON LPUSDOT 204804529PU
- UNITED ANCO SERVICES INCUSDOT 5279013PU
- UNITED SCAFFOLDING INCUSDOT 6541555PU
- MIKEN SPECIALITIES LTDUSDOT 8176872PU
- BROCK SERVICES LTDUSDOT 3861191PU
- AEGION ENERGY SERVICES INCUSDOT 31890961PU
- SERVICE OFFSHORE PAINTINGUSDOT 5259060PU