Carrier profile · USDOT 49481 · MC-283521 · Updated Jun 13, 2026
Helfrich Brothers Boiler Works Inc
3 power unitsLocal · 2 statesLAWRENCE, MA50/100
CARRIER ACTIVEMC-283521 ACTIVERATED SATISFACTORY
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
@hbbwinc.com — 2 carriers: USDOT 3015706
Capacity consistency· registered vs roadside-observed power units
Registered (MCS-150)33
Observed (24 mo)22
Registered and roadside-observed capacity are broadly consistent.
Owner / group view· confidence: email domain
Owner / group view
Affiliated authorities
Collapses 2 related authorities · joined by email domain
- Authorities
- 2
- Combined power
- 6
- States
- 1
- Oldest authority
- Jun 1, 1974
- Active now
- 1
- HELFRICH BROTHERS BOILER WORKS INC· viewingUSDOT 494813PU
- HELFRICH CONSTRUCTION SERVICESUSDOT 30157063PU
Affiliated entities· hover to preview