Carrier profile · USDOT 4189482 · Updated Jun 13, 2026
Southampton Excavation & Site Development LLC
15 power unitsLocal · 1 statesSOUTHAMPTON, NY50/100
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
@mezynieski.com — 2 carriers: USDOT 1131139
Capacity consistency· registered vs roadside-observed power units
Registered (MCS-150)1515
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: email domain
Owner / group view
Affiliated authorities
Collapses 2 related authorities · joined by email domain
- Authorities
- 2
- Combined power
- 24
- States
- 1
- Oldest authority
- May 20, 2003
- Active now
- 2
- SOUTHAMPTON EXCAVATION & SITE DEVELOPMENT LLC· viewingUSDOT 418948215PU
- STEVEN M MEZYNIESKI INCUSDOT 11311399PU
Affiliated entities· hover to preview