Freight Carrier · Conroe, TX

SOUTHERN MAIL SERVICE INC

2505 N FRAZIER · Conroe, TX 77303

AUTHORIZED FOR:
(936) 647-1260 Tap to call
  • MC #1535071
  • USDOT #172954 USDOT Active
  • 361
    Power Units
  • 355
    Drivers
  • Carrier
    Entity Type

About this carrier

SOUTHERN MAIL SERVICE INC is a Conroe, TX freight carrier that is authorized for: in the state of Texas. This company has 361 truck(s) in their fleet and 355 truck drivers. Their motor carrier number is MC-1535071 and their USDOT number is 172954.

Sourced from FMCSA SAFER · last filed 05/13/2026 · last updated Jun 27, 2026.

Carrier Details

  • Operating Status AUTHORIZED FOR:
  • MCS-150 Filed 05/13/2026
  • MCS-150 Mileage 35,000,000 (2026)

Authority & Operations

Operation Classification
  • Authorized for Hire
  • U.S. Mail
Carrier Operation
  • Interstate

Cargo Authorized

  • General Freight
  • U.S. Mail
  • Paper Products

Operating Territory

Inspection activity   Inspected in 21 states over the past 24 months: TX (62), NM (17), LA (9), AZ (6), PA (5), IN (4), IL (4), AR (3), UT (3), WA (3), FL (3), MS (2), +9 more. Home base: Conroe, Texas.

Safety Record

14 Severe Violations Updated Jul 18, 2026

Crashes (24 mo)

  • 3
    Fatal
  • 11
    Injury
  • 13
    Tow
  • 27
    Total

Behavior Categories (BASICs)

CategoryMeasureViolations Unsafe Driving 0.25 7 Crash Indicator Not Public Hours of Service 0.01 2 Vehicle Maintenance 2.72 28 Drugs / Alcohol 0 0 Hazmat Not Public Driver Fitness 0.04 1

Inspection Summary

  • 131
    Total
  • 93
    Clean
  • 38
    With violations

24-month window ending Jun 26, 2026

Violations Cited 42 unique codes

Critical 14

  • 392.2-SLLS4State/Local Laws - Speeding 15 or more miles per hour over the speed limit SW 10
  • 393.75A3-TAOLTISTires - All others, leaking in tread area and inflation less than 50% of the maximum inflation pressure on tire equipped with ATIS OOS×3 SW 8
  • 393.75(a)(3)Tire-flat and/or audible air leak OOS×2 SW 8
  • 393.75A3-TAOLTires - All others, leaking or inflation less than 50% of the maximum inflation pressure on tire not equipped with ATIS OOS×2 SW 8
  • 393.75(a)(1)Tire-ply or belt material exposed OOS×1 SW 8
  • 393.75A1-TFSMFTires - Front, sidewall is cut/worn/damaged exposing ply cord OOS×1 SW 8
  • 383.23(a)(2)Operating a CMV without a CDL OOS×1 SW 8
  • 393.9A-LTSILighting - Turn signal - Any inoperative on the rearmost vehicle. OOS×1 SW 6
  • 393.45B2UVBrake Hose or Tubing Chafing and/or Kinking Under Vehicle OOS×2 SW 4
  • 393.45B2PCBrake Hose or Tubing Chafing and/or Kinking - Connection to Power Unit OOS×1 SW 4
  • 393.45PCBrake Tubing and Hose Adequacy - Connections to Power Unit OOS×1 SW 4
  • 393.45UVBrake Tubing and Hose Adequacy Under Vehicle OOS×1 SW 4
  • 396.5A-HNLHubs - No visible or measurable lubricant showing in the hub OOS×1 SW 2
  • 396.3(a)1BOSBrake - Defective brake(s) are equal to or greater than 20% of the service brakes on the vehicle/combination OOS×1 SW 0

Unsafe Driving 5

  • 392.2-SLLS3State/Local Laws - Speeding 11-14 miles per hour over the speed limit SW 7
  • 392.2CFailure to obey traffic control device SW 5
  • 392.2-SLLTCDState/Local Laws - Failed to obey a traffic control device - Permanent or Temporary - e.g., safety official, signal, sign, light, lane marking, other SW 5
  • 392.2-INATDriver- Inattentive or Distracted Driving SW 5
  • 392.2-SLLS2State/Local Laws - Speeding 6-10 miles per hour over the speed limit SW 4

Vehicle Maintenance 20

  • 393.45DLUVBrake Connections with Leaks Under Vehicle SW 4
  • 396.17C-PIOperating a CMV without documentation of a periodic inspection SW 4
  • 393.55E-BAir Brake - ABS malfunction lamp defective on trailers manufactured on or after March 1, 1998 SW 4
  • 393.55(e)No or Defective ABS Malfunction Indicator Lamp for trailer manufactured after 03/01/1998 SW 4
  • 393.55(d)(3)No or Defective ABS Malfunction Indicator for towed vehicles on vehicles manufactured after February 2001 SW 4
  • 393.53(b)CMV manufactured after 10/19/94 has an automatic airbrake adjustment system that fails to compensate for wear SW 4
  • 393.47(e)Brake Out of Adjustment - Roto, Clamp (Short & Long), DD-3, or Bolt SW 4
  • 396.5B-LLubrication - Oil or grease leak SW 3
  • 393.11TLTruck-Tractor lower rear mud flaps retroreflective sheeting / reflex reflective material requirements for vehicles manufactured after July 1997 SW 3
  • 393.11No or defective lighting devices or reflective material as required SW 3
  • 393.9Inoperable Required Lamp SW 2
  • 393.9A-LCLLighting - Clearance lamp(s) inoperative SW 2
  • 393.9A-LSMLLighting - Side marker lamp(s) inoperative SW 2
  • 393.88Television/video display device - Improperly located SW 2
  • 393.9A-LILLighting - Identification lamp(s) inoperative SW 2
  • 393.9A-LLPLLighting - License plate lamp inoperative SW 2
  • 393.203(b)Cab/body improperly secured to frame SW 2
  • 396.3(a)(1)Inspection, repair and maintenance of parts and accessories SW 2
  • 393.203C-CBPCab and Body Parts - Hood not securely fastened SW 2
  • 393.205(c)Wheel fasteners loose and/or missing SW 2

Hours of Service 3

  • 395.22H2-ELDNISDTHOS (ELD) Driver failing to have instruction sheet describing the data transfer mechanisms supported by the ELD and step-by-step instructions for the driver to produce and transfer the driver's hours of service records to an authorized safety official SW 1
  • 395.22H4Driver failed to maintain supply of blank drivers records of duty status graph-grids SW 1
  • 395.22H1-ELDNUMHOS (ELD) - In-Vehicle Information - No user's manual for the driver describing how to operate the ELD. (May be electronic) SW 1

Locations

Physical Address
SOUTHERN MAIL SERVICE INC
2505 N FRAZIER
CONROE, TX 77303
Mailing Address
SOUTHERN MAIL SERVICE INC
P O BOX 2145
HOUSTON, TX 77252

Location on Map