Carrier profile · USDOT 646009 · Updated Jun 13, 2026
Polk Oil Co Inc
7 power unitsLocal · 1 statesLUFKIN, TX88/100
AUTHORITY STATUS UNKNOWNRATED SATISFACTORYHAZMAT
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.
Shares a registration email domain with other carriers
@brookshirebros.com — 2 carriers: USDOT 334349
Shares a company officer with other carriers
john alston — 7 carriers: USDOT 334349USDOT 1193927USDOT 1335058USDOT 3014855USDOT 3827094USDOT 4107629
Capacity consistency· registered vs roadside-observed power units
Registered (MCS-150)77
Observed (24 mo)44
Registered capacity materially exceeds what is observed roadside — the MCS-150 may be stale or the fleet under-utilized.
Owner / group view· confidence: email domain + officer
Owner / group view
Affiliated authorities
Collapses 7 related authorities · joined by email domain + officer
- Authorities
- 7
- Combined power
- 56
- States
- 4
- Oldest authority
- Nov 29, 1988
- Active now
- 3
- POLK OIL CO INC· viewingUSDOT 6460097PU
- BROOKSHIRE BROTHERS LTDUSDOT 33434945PU
- JSA TRUCKING INCORPORATEDUSDOT 38270941PU
- 777 TRANSPORT LLCUSDOT 41076291PU
- J ALSTON TRUCKING LLCUSDOT 30148551PU
- HAMMER TRANSPORT LLCUSDOT 11939271PU
- JOHN ALSTONUSDOT 13350580PU
Affiliated entities· hover to preview