Carrier profile · USDOT 644252 · Updated Jun 13, 2026
John T Griffiths
DBA STUDIMO
7 power unitsavg 10.5 yrRegional · 4 statesIRONTON, OH50/100
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 company officer with other carriers
john griffiths — 7 carriers: USDOT 369852USDOT 1084650USDOT 1110974USDOT 2083465USDOT 2109588USDOT 2893719
Capacity consistency· registered vs roadside-observed power units
Registered (MCS-150)77
Observed (24 mo)22
Registered capacity materially exceeds what is observed roadside — the MCS-150 may be stale or the fleet under-utilized.
Owner / group view· confidence: officer
Owner / group view
Affiliated authorities
Collapses 7 related authorities · joined by officer
- Authorities
- 7
- Combined power
- 17
- States
- 5
- Oldest authority
- Oct 16, 1989
- Active now
- 1
- JOHN T GRIFFITHS· viewingUSDOT 6442527PU
- CUSTOM DIESEL EXPRESS INCORPORATEDUSDOT 10846504PU
- GRIFFITHS MOTOR TRANSPORT INCUSDOT 11109743PU
- SOUND STAGE AND LIGHT LLCUSDOT 21095881PU
- ROSS BROTHERS CONSTRUCTION COUSDOT 3698521PU
- 7 SLOT SALES LLCUSDOT 28937191PU
- JOHN HOWARD GRIFFITHSUSDOT 20834650PU