Carrier profile · USDOT 3376892 · MC-1083290 · Updated Jun 13, 2026

Winthrop Sales and Service LLC

1 power unitWINTHROP, IA50/100
NO OPERATING AUTHORITYMC-1083290 NO AUTHORITY
Verified linksnetins.netLinkedInXYouTubeFMCSA SAFER

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

@netins.net — 723 carriers: USDOT 4484USDOT 53733USDOT 60320USDOT 73406USDOT 96476USDOT 96508USDOT 133753USDOT 171400

Owner / group view· confidence: email domain

Owner / group view

Affiliated authorities

Collapses 723 related authorities · joined by email domain

Authorities
723
Combined power
5,718
States
8
Oldest authority
Jun 1, 1974
Active now
395

Affiliated entities· hover to preview

TIMMY LYNN SPEICHERTIMMY LYNN SPEICHERBENTON GRAIN COMPANY LLCK E FLATWORK INCERICKSON TRANSPORT LLCSPRINGVILLE READY MIX INCBFT INCFARRELL'S TRUCKING II INC