Carrier profile · USDOT 4289501 · Updated Jun 13, 2026
CAPSTONE MECHANICAL LLC
4 power unitsPORTSMOUTH, NH50/100
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
@cstonemechanical.com — 2 carriers: USDOT 3495821
Shares a company officer with other carriers
robert o'connor — 6 carriers: USDOT 1076098USDOT 1487960USDOT 1520202USDOT 2182569USDOT 4133473
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
- 15
- States
- 6
- Oldest authority
- Nov 27, 2002
- Active now
- 3
- CAPSTONE MECHANICAL LLC· viewingUSDOT 42895014PU
- CAPSTONE MECHANICAL LLCUSDOT 34958214PU
- COMPLETE DRYWALL & PAINTING LLCUSDOT 14879603PU
- ROBERT W O'CONNORUSDOT 10760981PU
- RSR ENTERPRISE LLCUSDOT 41334731PU
- ROBERT J O'CONNORUSDOT 15202021PU
- ROBERT O'CONNORUSDOT 21825691PU
Affiliated entities· hover to preview