Carrier profile · USDOT 2374322 · MC-1649086 · Updated Jun 13, 2026

Zachary M Rosburg

DBA CIRCLE Z

1 power unitavg 12.5 yrRegional · 3 statesCHARTER OAK, IA50/100
CARRIER ACTIVEMC-1649086 ACTIVE
Verified linksFMCSA SAFER

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.

No shared-VIN flow in the last 12 months

None of this carrier's trucks were inspected under another USDOT in the last 12 months — any shared equipment is historical, not active.
Show all-time history (4 trucks · 5 carriers)
Across all inspections on record: USDOT 1226632USDOT 3046432USDOT 1854276USDOT 4234459USDOT 1420479

Capacity consistency· registered vs roadside-observed power units

Registered (MCS-150)1
Observed (24 mo)2
Shared w/ other carriers4

Roadside-observed power units materially exceed the registered MCS-150 fleet — confirm the carrier is operating within its filed capacity.

Shared-VIN cross-links· units inspected under more than one USDOT

VINCarriersInspectionsFirst seenLast seen
1XP5D49X05D863204View sourced platform decode34Nov 27, 2023Jul 22, 2026
1W1ULS2KXBD539715View sourced platform decode34Apr 17, 2025Jan 5, 2026
1XKYD49X3RJ326823View sourced platform decode25Jul 5, 2023May 26, 2026
1W16532A1D5543648View sourced platform decode22Jul 5, 2023Aug 20, 2024