Carrier profile · USDOT 1132605 · MC-460956 · Updated Sep 6, 2026
Sioux City Engineering Company
6 power unitsLocal · 1 statesSIOUX CITY, IA50/100
CARRIER ACTIVEMC-460956 ACTIVE
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
@siouxcityengineering.com — 2 carriers: USDOT 990815
Shares a company officer with other carriers
jon sulzbach — 2 carriers: USDOT 990815
Capacity consistency· registered vs roadside-observed power units
Registered (MCS-150)66
Observed (24 mo)33
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 2 related authorities · joined by email domain + officer
- Authorities
- 2
- Combined power
- 10
- States
- 1
- Oldest authority
- Nov 27, 2001
- Active now
- 1
- SIOUX CITY ENGINEERING COMPANY· viewingUSDOT 11326056PU
- SPECIALIZED WASTE HAULINGUSDOT 9908154PU
Affiliated entities· hover to preview