Carrier profile · USDOT 1839444 · Updated Aug 20, 2026
Masco Contractor Services
DBA WILLIAMS INSULATION
70 power unitsDALLAS, TX50/100
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
@mascocs.com — 4 carriers: USDOT 308907USDOT 524922USDOT 913184
Owner / group view· confidence: email domain
Owner / group view
Affiliated authorities
Collapses 4 related authorities · joined by email domain
- Authorities
- 4
- Combined power
- 501
- States
- 2
- Oldest authority
- Jan 22, 1988
- Active now
- 0
- MASCO CONTRACTOR SERVICES· viewingUSDOT 183944470PU
- AMERICAN NATIONAL SERVICES CORPORATIONUSDOT 913184302PU
- WILLIAMS CONSOLIDATED I LTDUSDOT 308907123PU
- CABINET SUPPLY INCUSDOT 5249226PU
Affiliated entities· hover to preview