Carrier profile · USDOT 443109 · Updated Jun 13, 2026
HESS MECHANICAL CORPORATION
DBA HESS MECHANICAL LLC
3 power unitsUPPER MARLBORO, MD50/100
AUTHORITY STATUS UNKNOWNUNDELIVERABLE ADDRESS
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
@comfortsystemsusa.com — 13 carriers: USDOT 452349USDOT 603909USDOT 694241USDOT 819485USDOT 1137088USDOT 1366541USDOT 1414376USDOT 1514633
Owner / group view· confidence: email domain
Owner / group view
Affiliated authorities
Collapses 13 related authorities · joined by email domain
- Authorities
- 13
- Combined power
- 60
- States
- 10
- Oldest authority
- Apr 17, 1991
- Active now
- 7
- HESS MECHANICAL CORPORATION· viewingUSDOT 4431093PU
- COMFORT SYSTEMS USA SOUTHEASTUSDOT 151463320PU
- COMFORT SYSTEMS USA SYRACUSE INCUSDOT 13665419PU
- S I GOLDMAN CO INCUSDOT 11370886PU
- SHOFFNERKALTHOFF MES INCUSDOT 14143765PU
- TEMP RIGHT SERVICE INCUSDOT 32298514PU
- SEASONAIR INCUSDOT 6039093PU
- COMFORT SYSTEMS USA MIDATLANTICUSDOT 28687493PU
- COMFORT SYSTEMS USA MIDATLANTICUSDOT 8194852PU
- AIRTEMP INCUSDOT 6942412PU
- COMFORT SYSTEMS USA ENERGY SERVICES INCUSDOT 23628741PU
- COMFORT SYSTEMS USA KENTUCKY INCUSDOT 4523491PU
- COMFORT SYSTEMS USAUSDOT 21643971PU