Southern Mail Service Inc is an active interstate carrier based in Conroe, TX.
No insurance filings on record.
View on FMCSA L&I| Vehicle Type | Owned | Term Leased | Trip Leased |
|---|---|---|---|
| Straight Trucks | 35 | 0 | 0 |
| Tractors | 359 | 0 | 0 |
| Trailers | 568 | 0 | 0 |
| Total Power Units | 394 | ||
Distinct vehicles · 24 mo
vs 394 self-reported (MCS-150)
Top makes
Registered in
Higher values = more violations. 0 = clean record.
| Category |
|---|
| Category | vs. Cohort | vs. State | Reading |
|---|---|---|---|
| Unsafe Driving | 38% | 92% | Around peer average |
| HOS Compliance | 46% | 90% | Around peer average |
| Driver Fitness | 34% | 91% | Around peer average |
| Controlled Substances | 0% | 0% | Better than most peers |
| Vehicle Maintenance | 38% | 72% | Around peer average |
Lower percentile = lower SMS measure = stronger safety record. Computed nightly across active carriers in the same state and fleet-size band.
| Type | Inspections | OOS | OOS % | Nat'l Avg |
|---|---|---|---|---|
| Driver | 0 | 1 | — | 6.67% |
| Vehicle | 0 | 12 | — | 22.26% |
| Hazmat | 0 | 0 | — |
| Period | Fatalities | Injuries | Tow-away | Total |
|---|---|---|---|---|
| Jan 1, 2026 | 1 | 1 | 3 | 4 |
| Oct 1, 2025 | 0 | 5 | 2 | 3 |
| Jul 1, 2025 | 0 | 1 | 3 | 3 |
| Apr 1, 2025 | 0 | 2 | 3 | 5 |
| Jan 1, 2025 | 2 | 8 | 5 | 5 |
Most-cited violation codes
| BASIC Category | Total | Severe | OOS |
|---|---|---|---|
| Vehicle Maintenance | 39 | 8 | 15 |
| Date | State | Vehicle | Violations | OOS |
|---|---|---|---|---|
| Mar 24, 2026 | LA | TRUCK TRACTOR | 0 | 0 |
| Mar 20, 2026 | TX | TRUCK TRACTOR | 0 | 0 |
| Feb 26, 2026 | TX | TRUCK TRACTOR | 0 | 0 |
| Feb 13, 2026 | TX | TRUCK TRACTOR | 0 | 0 |
| Feb 10, 2026 | TX |
| Insp w/ Viol |
|---|
| Measure |
|---|
| Alert |
|---|
| Unsafe Driving | 9 | 0.09 | — |
| HOS Compliance | 3 | 0.03 | — |
| Vehicle Maintenance | 25 | 2.19 | — |
| Driver Fitness | 1 | 0.04 | — |
| Controlled Substances | 0 | 0.00 | — |
| 4.44% |
Where they run
Inspected in 19 states. Top state TX accounts for 44% of activity. Activity outside home state (TX): 56%.
+14 other states with fewer inspections
| Oct 1, 2024 |
| 0 |
| 3 |
| 5 |
| 5 |
| Unsafe Driving |
| 9 |
| 2 |
| 0 |
| Hours-of-Service Compliance | 6 | 0 | 0 |
| Driver Fitness | 1 | 1 | 1 |
| STRAIGHT TRUCK |
| 2 |
| 0 |
| Jan 22, 2026 | TX | TRUCK TRACTOR | 2 | 0 |
| Jan 10, 2026 | TX | TRUCK TRACTOR | 0 | 0 |
| Jan 10, 2026 | TX | TRUCK TRACTOR | 0 | 0 |
| Jan 9, 2026 | TX | TRUCK TRACTOR | 0 | 0 |
| Dec 31, 2025 | PA | TRUCK TRACTOR | 0 | 0 |
| Date | Code | Description | BASIC | OOS |
|---|---|---|---|---|
| Feb 10, 2026 | 393203B | Cab/body improperly secured to frame | Vehicle Maintenance | — |
| Feb 10, 2026 | 39345B2UV | Brake Hose or Tubing Chafing and/or Kinking Under Vehicle | Vehicle Maintenance | — |
| Jan 22, 2026 | 39355D3 | No or Defective ABS Malfunction Indicator for towed vehicles on vehicles manufactured after February 2001 | Vehicle Maintenance | — |
| Jan 22, 2026 | 3939 | Inoperable Required Lamp | Vehicle Maintenance | — |
| Dec 8, 2025 | 39375A3 | Tire-flat and/or audible air leak | Vehicle Maintenance | Yes |
| Nov 27, 2025 | 39375A3TAOLTIS | Tires - All others leaking in tread area and inflation less than 50% of the maximum inflation pressure on tire equipped with ATIS | Vehicle Maintenance | Yes |
| Nov 24, 2025 | 39355EB | Air Brake - ABS malfunction lamp defective on trailers manufactured on or after March 1 1998 | Vehicle Maintenance | — |
| Nov 24, 2025 | 39375A3TAOL | Tires - All others leaking or inflation less than 50% of the maximum inflation pressure on tire not equipped with ATIS | Vehicle Maintenance | Yes |
| Nov 24, 2025 | 39375A3TAOLTIS | Tires - All others leaking in tread area and inflation less than 50% of the maximum inflation pressure on tire equipped with ATIS | Vehicle Maintenance | Yes |
| Oct 14, 2025 | 39345B2PC | Brake Hose or Tubing Chafing and/or Kinking - Connection to Power Unit | Vehicle Maintenance | — |