SOUTHERN MAIL SERVICE INC
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Power Units
361
Drivers
355
Trailers
211
Annual Miles
Locked
Entity Type
CORPORATION
MCS-150 Date
May 13, 2026
Out of Service
No
About SOUTHERN MAIL SERVICE INC
Southern Mail Service, Inc. is an award-winning highway contractor for the United States Postal Service based in Houston, Texas, with additional terminals in Dallas, San Antonio, Austin, Baton Rouge, Chicago, and Bloomsburg, Pennsylvania. The family-owned trucking company operates over 500 drivers and is part of a larger logistics organization offering integrated transportation management and logistics solutions focused on on-time, reliable delivery.
Risk Signals — SOUTHERN MAIL SERVICE INC
Full risk analysis — historical patterns, fraud connections, financial signals — runs when you… unlock for full analysis
Authority for sale
No active listings detected…
Equipment for sale
2 fleet VINs listed — routine for fleet size…
Financial risk
Analyzed in the full report…
Fraud signals
Connection analysis in the full report…
Historical patterns
Pattern analysis runs when you unlock the report…
Recent activity
No adverse news in 90 days…
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Key Contacts3 on file
By Seniority
By Function
Names, titles, emails, and direct phone numbers for this carrier's decision-makers — included with your AlphaLoops trial.
Related Companies1 found
Who this carrier is linked to and how — shared officers, common addresses, and entities under the same ownership.
Service RegionsActive in 24 states
Full state-by-state operating volumes, inspection locations, and lane coverage analysis.
CSA Safety Scores5 BASICs
5 BASICs measured
Percentile rankings pending FMCSA publication — raw measures + violations available in the report.
Full BASIC percentiles, measure scores, BASIC + roadside alerts, and Acute Carrier flags from the latest FMCSA SMS snapshot.
Inspection History14 in 90 days
Most recent
Jun 14, 2026 · TX
Clean rate (90d)
60%
Every inspection with date, location, level, violations found, and out-of-service results.
Inspection Summary
Recent Inspections (90 Days)
14
Vehicle OOS Rate
21.4%
3 of 14
National avg ~21%
Driver OOS Rate
0%
0 of 14
National avg ~5%
OOS Inspections
3
Driver + Vehicle OOS
Crash Summary
Total Crashes
295
All time
Fatalities
19
Injuries
172
Tow-Away
277
Operating Authority
Common Authority
Holds Active Authority(3.2 years)
Contract Authority
No Authority
Broker Authority
No Authority
Insurance & Coverage
BIPD, cargo, and excess liability coverage amounts, policy history, and insurer names — included in the vetting report.
Contact Information
Physical Address
CONROE, TX 77303
Cargo & Operations
Cargo Carried
Violations by Category82 total
Most common category
Vehicle Maintenance · 38% of violations
across 5 categories
Full violation breakdown by category, out-of-service rates, and historical trends over time.
Fleet Analytics255 trucks
Top manufacturers
Sample units
Full manufacturer, model, and model-year breakdown plus the VIN-level fleet roster.
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