Carrier profile · USDOT 3495821 · Updated Jun 13, 2026
CAPSTONE MECHANICAL LLC
4 power unitsLocal · 1 statesPORTSMOUTH, 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 4289501
Capacity consistency· registered vs roadside-observed power units
Registered (MCS-150)44
Observed (24 mo)11
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
- 8
- States
- 1
- Oldest authority
- Sep 29, 2020
- Active now
- 1
- CAPSTONE MECHANICAL LLC· viewingUSDOT 34958214PU
- CAPSTONE MECHANICAL LLCUSDOT 42895014PU
Affiliated entities· hover to preview