US · FMCSA ACTIVE AUTHORITY INSURED
SOUTHERN MAIL SERVICE INC
Conroe, TX 77303 · DOT 172954 · MC1535071
Company profile
Web-discovered · as of 2026-07-30
Southern Mail Service Inc, operating under USDOT 172954 and MC1535071, is a Conroe, TX-based carrier with a significant fleet specializing in mail and parcel delivery services, primarily serving US Postal Service contracts.
Fleet use
For-hire freight
Operating scope
Regional
Service model
dedicated
Equipment
box truck
Ownership
Private
HQ · 2505 N Frazier St, Conroe, TX 77303
(936) 647-1260 OPERATING CONFIRMED
Active MC and DOT authority as of May 2026. Listed in multiple carrier directories with 361 power units.
Registry record
Source FMCSA · as of 2026-08-01
Fleet size
361
power units · corroborated
Activity
road freight carrier
for hire licence
In operation since
1974
355 drivers
US compliance
Source FMCSA L&I / SAFER · as of 2026-07-12
Operating authority
Active
Insurance on file
Yes (BIPD)
Great West Casualty Company · $1,000,000
Out of service
No
Safety rating
SATISFACTORY
Crashes (24 mo)
13
0 fatal · 9 injured
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