Carrier profile · USDOT 943618 · MC-404792 · Updated Sep 6, 2026

A-1 Transit Corporation

398 power unitsavg 9.1 yrRegional · 7 statesMARATHON, WI81/100
CARRIER ACTIVEMC-404792 ACTIVEHAZMAT
Verified linkscountymaterials.comFMCSA 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 (3 trucks · 3 carriers)
Across all inspections on record: USDOT 191788USDOT 2271526USDOT 242683

Shares a registration email domain with other carriers

@countymaterials.com — 2 carriers: USDOT 381219

Capacity consistency· registered vs roadside-observed power units

Registered (MCS-150)398
Observed (24 mo)97
Shared w/ other carriers3

Registered capacity materially exceeds what is observed roadside — the MCS-150 may be stale or the fleet under-utilized.

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

VINCarriersInspectionsFirst seenLast seen
1TTF4520461079687View sourced platform decode33Oct 17, 2023Jul 20, 2026
2M512137851099061View sourced platform decode22Jun 20, 2025Sep 23, 2025
1TTF4520161080005View sourced platform decode22Aug 14, 2023Jan 31, 2024

Owner / group view· confidence: email domain

Owner / group view

Affiliated authorities

Collapses 2 related authorities · joined by email domain

Authorities
2
Combined power
527
States
1
Oldest authority
Feb 7, 1990
Active now
2

Affiliated entities· hover to preview

COUNTY TRANSIT INC