Carrier profile · USDOT 586140 · MC-283949 · Updated Jul 18, 2026
Frontier Transportation Inc
1 power unitavg 7.5 yrLocal · 1 statesCHINO, CA50/100
CARRIER ACTIVEMC-283949 ACTIVERATED SATISFACTORY
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: 2 trucks also ran under 1 other carrier
VINs inspected under this carrier were recently inspected under other USDOTs too — the active double-broker / shared-equipment signal: USDOT 56427Some overlap is legitimate (leased or sold equipment); review alongside the other signals.
Show all-time history (45 trucks · 12 carriers)
Across all inspections on record: USDOT 56427USDOT 305794USDOT 3609163USDOT 3082318USDOT 2737683USDOT 3916153USDOT 4297982USDOT 2979854
Shares a registration email domain with other carriers
@osterkampgrp.com — 8 carriers: USDOT 56427USDOT 432646USDOT 806986USDOT 2747878USDOT 2821788USDOT 2849444USDOT 3413584
Capacity consistency· registered vs roadside-observed power units
Registered (MCS-150)11
Observed (24 mo)11
Shared w/ other carriers4545
Registered and roadside-observed capacity are broadly consistent.
Shared-VIN cross-links· units inspected under more than one USDOT
Showing the 40 most cross-linked of 45 shared VINs.
Owner / group view· confidence: email domain
Owner / group view
Affiliated authorities
Collapses 8 related authorities · joined by email domain
- Authorities
- 8
- Combined power
- 323
- States
- 1
- Oldest authority
- Jun 1, 1974
- Active now
- 4
- FRONTIER TRANSPORTATION INC· viewingUSDOT 5861401PU
- OSTERKAMP TRUCKING, INCUSDOT 56427312PU
- DARGUS LEASING CORPUSDOT 28217885PU
- DEDICATED FLEET SYSTEMS INCUSDOT 8069861PU
- WESTERN FREIGHT SYSTEMS INCUSDOT 4326461PU
- RELIABLE EQUIPMENT LEASING LLCUSDOT 34135841PU
- JOSE A PEREZUSDOT 27478781PU
- MACIAS GENARO MALDONADOUSDOT 28494441PU