Carrier profile · USDOT 2319609 · Updated Sep 6, 2026
Stephen J Martin
DBA CORNERSTONE EXC LLC
1 power unitNEWMANSTOWN, PA50/100
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
stephen j martin — 3 carriers: USDOT 499109USDOT 2149283
Owner / group view· confidence: officer
Owner / group view
Affiliated authorities
Collapses 3 related authorities · joined by officer
- Authorities
- 3
- Combined power
- 3
- States
- 2
- Oldest authority
- Sep 24, 1992
- Active now
- 3
- STEPHEN J MARTIN· viewingUSDOT 23196091PU
- S MARTIN SERVICES INCUSDOT 4991091PU
- STEPHEN J MARTINUSDOT 21492831PU
Affiliated entities· hover to preview