Carrier profile · USDOT 1813088 · MC-658598 · Updated Jun 13, 2026
Guardian Oilfield Services Inc
60 power unitsavg 11.9 yrMulti-region · 15 statesWEATHERFORD, OK88/100
CARRIER ACTIVEMC-658598 ACTIVEHAZMAT
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: 11 trucks also ran under 8 other carriers
VINs inspected under this carrier were recently inspected under other USDOTs too — the active double-broker / shared-equipment signal: USDOT 4159104USDOT 1058705USDOT 328103USDOT 2120653USDOT 3288908USDOT 3074184USDOT 759493USDOT 3800628Some overlap is legitimate (leased or sold equipment); review alongside the other signals.
Show all-time history (43 trucks · 36 carriers)
Across all inspections on record: USDOT 1375332USDOT 1375832USDOT 2496592USDOT 1058705USDOT 2120653USDOT 157942USDOT 348083USDOT 3465169
Shares a company officer with other carriers
robert thacker — 4 carriers: USDOT 306872USDOT 1771992USDOT 1925077
Capacity consistency· registered vs roadside-observed power units
Registered (MCS-150)6060
Observed (24 mo)6262
Shared w/ other carriers4343
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 43 shared VINs.
Owner / group view· confidence: officer
Owner / group view
Affiliated authorities
Collapses 4 related authorities · joined by officer
- Authorities
- 4
- Combined power
- 63
- States
- 4
- Oldest authority
- Dec 22, 1987
- Active now
- 2
- GUARDIAN OILFIELD SERVICES INC· viewingUSDOT 181308860PU
- THACKER ORCHARDSUSDOT 3068722PU
- ROBERT L THACKERUSDOT 17719921PU
- ROBERT THACKERUSDOT 19250770PU
Affiliated entities· hover to preview