Carrier profile · USDOT 3883320 · Updated Jun 13, 2026
SF Transport Services Inc
5 power unitsLocal · 1 statesSAN DIEGO, CA50/100
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 company officer with other carriers
porfirio guzman — 6 carriers: USDOT 1543705USDOT 1936087USDOT 2719672USDOT 2878060USDOT 3273698
Capacity consistency· registered vs roadside-observed power units
Registered (MCS-150)55
Observed (24 mo)22
Registered capacity materially exceeds what is observed roadside — the MCS-150 may be stale or the fleet under-utilized.
Owner / group view· confidence: officer
Owner / group view
Affiliated authorities
Collapses 6 related authorities · joined by officer
- Authorities
- 6
- Combined power
- 15
- States
- 4
- Oldest authority
- Aug 17, 2006
- Active now
- 3
- SF TRANSPORT SERVICES INC· viewingUSDOT 38833205PU
- GUZMAN BROTHERS SERVICE INCUSDOT 27196724PU
- CJ TRANSPORT SERVICESUSDOT 28780603PU
- GUZMAN DISTRIBUTION LLCUSDOT 15437051PU
- PORFIRIO GUZMANUSDOT 19360871PU
- GUZZ-MAN TRUCKING CORPUSDOT 32736981PU
Affiliated entities· hover to preview