Carrier profile · USDOT 2450085 · Updated Jun 13, 2026
Tiefenbach North America LLC
DBA TIEFENBACH NORTH AMERICA
3 power unitsLocal · 1 statesMORGANTOWN, WV50/100
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 registration email domain with other carriers
@swansonindustries.com — 3 carriers: USDOT 1035551USDOT 1119938
Shares a company officer with other carriers
william c dulin — 2 carriers: USDOT 466716
Capacity consistency· registered vs roadside-observed power units
Registered (MCS-150)33
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 + officer
Owner / group view
Affiliated authorities
Collapses 4 related authorities · joined by email domain + officer
- Authorities
- 4
- Combined power
- 29
- States
- 2
- Oldest authority
- Dec 27, 1991
- Active now
- 3
- TIEFENBACH NORTH AMERICA LLC· viewingUSDOT 24500853PU
- SWANSON INDUSTRIES INCUSDOT 111993823PU
- MORGANTOWN MACHINE AND HYDRAULICS OF OHIO INCUSDOT 10355512PU
- WILLIAM C DULINUSDOT 4667161PU
Affiliated entities· hover to preview