Carrier profile · USDOT 2269409 · Updated Jun 13, 2026
South Fork Lumber Company
3 power unitsavg 2.5 yrLocal · 1 statesSOUTH FORK, CO50/100
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
@sterlinglbr.com — 10 carriers: USDOT 177452USDOT 1585667USDOT 1585671USDOT 1585676USDOT 1585683USDOT 1585961USDOT 1586043USDOT 1605790
Shares a company officer with other carriers
jim gudenkauf — 6 carriers: USDOT 177452USDOT 1585667USDOT 1585694USDOT 1585961USDOT 1605790
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 + officer
Owner / group view
Affiliated authorities
Collapses 11 related authorities · joined by email domain + officer
- Authorities
- 11
- Combined power
- 51
- States
- 1
- Oldest authority
- Jun 1, 1974
- Active now
- 10
- SOUTH FORK LUMBER COMPANY· viewingUSDOT 22694093PU
- BOULDER LUMBER COUSDOT 158567612PU
- THE LAFAYETTE LUMBER COMPANYUSDOT 1774528PU
- THE STERLING TRANSPORTATION COMPANYUSDOT 15856677PU
- STEAMBOAT LUMBER COMPANYUSDOT 15859614PU
- ESTES PARK LUMBERUSDOT 15860434PU
- THE PONDEROSA LUMBER COMPANYUSDOT 18019093PU
- ROCKY MOUNTAIN LUMBER & HARDWAREUSDOT 15856943PU
- THE WALSENBURG LUMBER COMPANYUSDOT 16057903PU
- VALLEY LUMBER & SUPPLY COUSDOT 15856832PU
- ALAMOSA LUMBERUSDOT 15856712PU