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 | 15 | 11 | 0 |
| Tractors | 322 | 13 | 0 |
| Trailers | 568 | 0 | 0 |
| Total Power Units | 381 | ||
Distinct vehicles · 24 mo
vs 381 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 | 20 | — | 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 | 58 |
| Date | State | Vehicle | Violations | OOS |
|---|---|---|---|---|
| Sep 21, 2026 | LA | TRUCK TRACTOR | 0 | 0 |
| Sep 17, 2026 | TN | TRUCK TRACTOR | 1 | 1 |
| Sep 3, 2026 | LA | TRUCK TRACTOR | 0 | 0 |
| Aug 31, 2026 | TX | TRUCK TRACTOR | 0 | 0 |
| Aug 28, 2026 |
Carriers that share an officer, phone, or email with this DOT.
Shared officer · 5
Leeway Transportation Inc
Houston, TX
Lance Farrell · also at 2 others
White & Lasater Inc
Dallas, TX
Lance Farrell · also at 2 others
Alamo Mail Service Inc
San Antonio, TX
Letitia Farrell · also at 3 others
H & L Mail Service Inc
Houston, TX
Letitia Farrell · also at 3 others
S & B Stage Lines
Alvord, TX
Letitia Farrell · also at 3 others
| Insp w/ Viol |
|---|
| Measure |
|---|
| Alert |
|---|
| Unsafe Driving | 5 | 0.22 | — |
| HOS Compliance | 2 | 0.01 | — |
| Vehicle Maintenance | 30 | 3.25 | — |
| Driver Fitness | 1 | 0.04 | — |
| Controlled Substances | 0 | 0.00 | — |
| 4.44% |
Where they run
Inspected in 24 states. Top state TX accounts for 47% of activity. Activity outside home state (TX): 53%.
+19 other states with fewer inspections
| Oct 1, 2024 |
| 0 |
| 2 |
| 4 |
| 4 |
| 23 |
| Unsafe Driving | 12 | 4 | 0 |
| Hours-of-Service Compliance | 7 | 0 | 0 |
| Driver Fitness | 1 | 1 | 1 |
| TX |
| TRUCK TRACTOR |
| 0 |
| 1 |
| Aug 27, 2026 | TX | TRUCK TRACTOR | 0 | 1 |
| Aug 17, 2026 | OH | TRUCK TRACTOR | 0 | 0 |
| Aug 3, 2026 | TX | TRUCK TRACTOR | 3 | 1 |
| Jul 24, 2026 | LA | TRUCK TRACTOR | 0 | 0 |
| Jul 23, 2026 | TX | STRAIGHT TRUCK | 0 | 0 |
| Date | Code | Description | BASIC | OOS |
|---|---|---|---|---|
| Sep 17, 2026 | 39375A3TAOL | Tires - All others leaking or inflation less than 50% of the maximum inflation pressure on tire not equipped with ATIS | Vehicle Maintenance | Yes |
| Aug 3, 2026 | 39345B2PC | Brake Hose or Tubing Chafing and/or Kinking - Connection to Power Unit | Vehicle Maintenance | — |
| Aug 3, 2026 | 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 |
| Aug 3, 2026 | 3963A1 | Inspection repair and maintenance of parts and accessories | Vehicle Maintenance | — |
| Jul 20, 2026 | 39395F | Emergency Equipment - Stopped vehicle warning devices missing or improper | Vehicle Maintenance | — |
| Jul 19, 2026 | 39345B2PC | Brake Hose or Tubing Chafing and/or Kinking - Connection to Power Unit | Vehicle Maintenance | — |
| Jul 19, 2026 | 39345B2UV | Brake Hose or Tubing Chafing and/or Kinking Under Vehicle | Vehicle Maintenance | — |
| Jul 15, 2026 | 39522H4 | Driver failed to maintain supply of blank drivers records of duty status graph-grids | Hours-of-Service Compliance | — |
| Jul 8, 2026 | 39375A | Flat tire or fabric exposed | Vehicle Maintenance | Yes |
| Jun 30, 2026 | 39375A3 | Tire-flat and/or audible air leak | Vehicle Maintenance | Yes |
Shared email · 3