Carrier profile · USDOT 356803 · Updated Aug 20, 2026
Alamo Mail Service Inc
53 power unitsSAN ANTONIO, TX50/100
AUTHORITY STATUS UNKNOWNRATED 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
@southernmail.com — 4 carriers: USDOT 172954USDOT 250564USDOT 638656
Shares a company officer with other carriers
letitia farrell — 3 carriers: USDOT 107723USDOT 115475
Owner / group view· confidence: email domain + officer
Owner / group view
Affiliated authorities
Collapses 6 related authorities · joined by email domain + officer
- Authorities
- 6
- Combined power
- 510
- States
- 1
- Oldest authority
- Jun 1, 1974
- Active now
- 2
- ALAMO MAIL SERVICE INC· viewingUSDOT 35680353PU
- SOUTHERN MAIL SERVICE INCUSDOT 172954361PU
- COOK MAIL SERVICE INCUSDOT 25056456PU
- S & B STAGE LINESUSDOT 11547520PU
- H & L MAIL SERVICE INCUSDOT 10772318PU
- LEEWAY TRANSPORTATION INCUSDOT 6386562PU
Affiliated entities· hover to preview