Carrier profile · USDOT 544237 · Updated Jun 13, 2026

CSTK INC

45 power unitsavg 7.6 yrRegional · 5 statesOVERLAND PARK, KS88/100

AUTHORITY STATUS UNKNOWN

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

@cstk.com — 4 carriers: USDOT 995293 USDOT 1320382 USDOT 3112943

Shares a company officer with other carriers

tammy mummert — 3 carriers: USDOT 995293 USDOT 1320382

Capacity consistency· registered vs roadside-observed power units

Registered (MCS-150)

Observed (24 mo)

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 4 related authorities · joined by email domain + officer

Authorities: 4
Combined power: 57
States: 3
Oldest authority: Dec 6, 1993
Active now: 3

CSTK INC· viewingUSDOT 544237
45PU
CENTRAL STATES THERMO KING OF OKLAHOMA INCUSDOT 995293
7PU
NITZEL FARM AND RANCHUSDOT 3112943
3PU
CENTRAL STATES THERMO KING OF ST LOUIS LLCUSDOT 1320382
2PU

Affiliated entities· hover to preview

CENTRAL STATES THERMO KING OF OKLAHOMA INC NITZEL FARM AND RANCH CENTRAL STATES THERMO KING OF ST LOUIS LLC