Carrier profile · USDOT 1994403 · Updated Jun 13, 2026
Black Hills Mechanical LLC
2 power unitsWHITEWOOD, SD50/100
AUTHORITY STATUS UNKNOWNUNDELIVERABLE ADDRESS
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
brian mcgrath — 3 carriers: USDOT 176336USDOT 2451450
Owner / group view· confidence: officer
Owner / group view
Affiliated authorities
Collapses 3 related authorities · joined by officer
- Authorities
- 3
- Combined power
- 24
- States
- 3
- Oldest authority
- Jun 1, 1974
- Active now
- 1
- BLACK HILLS MECHANICAL LLC· viewingUSDOT 19944032PU
- KELLER-HEARTT COMPANY INCUSDOT 17633615PU
- DZWIL CONTRACTING COMPANY LPUSDOT 24514507PU
Affiliated entities· hover to preview