Carrier profile · USDOT 3188599 · MC-132950 · Updated Jun 13, 2026

Brothers Martin Grau Transport Inc

1 power unitavg 10.2 yrMulti-region · 8 statesJACKSONVILLE, FL70/100
CARRIER INACTIVEMC-132950 INACTIVEHAZMAT
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.

Last 12 months: 3 trucks also ran under 5 other carriers

VINs inspected under this carrier were recently inspected under other USDOTs too — the active double-broker / shared-equipment signal: USDOT 4309371USDOT 4355346USDOT 4379680USDOT 4535346USDOT 4365884Some overlap is legitimate (leased or sold equipment); review alongside the other signals.
Show all-time history (6 trucks · 11 carriers)
Across all inspections on record: USDOT 3441682USDOT 4309371USDOT 4355346USDOT 4379680USDOT 4535346USDOT 4005952USDOT 4365884USDOT 4021862

Capacity consistency· registered vs roadside-observed power units

Registered (MCS-150)1
Observed (24 mo)8
Shared w/ other carriers6

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
3HAMMMML1HL471537View sourced platform decode68Oct 4, 2023Jul 6, 2026
5PVNJ8JVXD4S55409View sourced platform decode35Jun 29, 2023Mar 17, 2026
1JJV532D3CL557424View sourced platform decode35Aug 29, 2023Jan 9, 2026
4V4NC9TH7CN559172View sourced platform decode25Aug 29, 2023Jul 7, 2026
1HTMMMML3KH564086View sourced platform decode23Sep 27, 2025May 4, 2026
3ALACWDT9EDFM6031View sourced platform decode22Sep 20, 2024Aug 4, 2025