Carrier profile · USDOT 486420 · Updated Jun 13, 2026
STEFFEN INC
1 power unitSIOUX CITY, IA50/100
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
@cloverleaf.com — 3 carriers: USDOT 270788USDOT 486423
Owner / group view· confidence: email domain
Owner / group view
Affiliated authorities
Collapses 3 related authorities · joined by email domain
- Authorities
- 3
- Combined power
- 48
- States
- 1
- Oldest authority
- Apr 1, 1986
- Active now
- 0
- STEFFEN INC· viewingUSDOT 4864201PU
- CLOVERLEAF TRANSPORT COUSDOT 27078846PU
- STEFFEN MIDWEST INCUSDOT 4864231PU
Affiliated entities· hover to preview