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Freight Carrier · Conroe, TX

SOUTHERN MAIL SERVICE INC

2505 N FRAZIER · Conroe, TX 77303

Authorized: Property
(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 property 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 May 28, 2026.

Carrier Details

  • Operating Status AUTHORIZED FOR Property
  • 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

Map of states where this carrier has roadside inspections Texas — home base Texas — home base

Home base   Based in Conroe, Texas. No roadside inspections on record in the past 24 months to map operating states.

Safety Record

12 Severe Violations Updated Jun 1, 2026

Crashes (24 mo)

  • 3
    Fatal
  • 13
    Injury
  • 13
    Tow
  • 29
    Total

Behavior Categories (BASICs)

CategoryMeasureViolations Unsafe Driving 0.17 9 Crash Indicator Not Public — Hours of Service 0.02 3 Vehicle Maintenance 2.45 26 Drugs / Alcohol 0 0 Hazmat Not Public — Driver Fitness 0.04 1

Inspection Summary

  • 134
    Total
  • 96
    Clean
  • 38
    With violations

24-month window ending May 15, 2026

Violations Cited 43 unique codes

Critical 14

  • 392.2-SLLS4State/Local Laws - Speeding 15 or more miles per hour over the speed limit1× 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 ATIS3× OOS×3 SW 8
  • 393.75A3-TAOLTires - All others, leaking or inflation less than 50% of the maximum inflation pressure on tire not equipped with ATIS2× OOS×2 SW 8
  • 393.75(a)(3)Tire-flat and/or audible air leak1× OOS×1 SW 8
  • 393.75A1-TFSMFTires - Front, sidewall is cut/worn/damaged exposing ply cord1× OOS×1 SW 8
  • 393.75(a)(1)Tire-ply or belt material exposed1× OOS×1 SW 8
  • 383.23(a)(2)Operating a CMV without a CDL1× OOS×1 SW 8
  • 393.9A-LTSILighting - Turn signal - Any inoperative on the rearmost vehicle.1× OOS×1 SW 6
  • 393.45B2UVBrake Hose or Tubing Chafing and/or Kinking Under Vehicle3× OOS×1 SW 4
  • 393.45B2PCBrake Hose or Tubing Chafing and/or Kinking - Connection to Power Unit2× OOS×1 SW 4
  • 393.45UVBrake Tubing and Hose Adequacy Under Vehicle1× OOS×1 SW 4
  • 393.45PCBrake Tubing and Hose Adequacy - Connections to Power Unit1× OOS×1 SW 4
  • 396.5A-HNLHubs - No visible or measurable lubricant showing in the hub1× 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/combination1× OOS×1 SW 0

Unsafe Driving 6

  • 392.2-SLLS3State/Local Laws - Speeding 11-14 miles per hour over the speed limit2× SW 7
  • 392.2CFailure to obey traffic control device2× SW 5
  • 392.2-INATDriver- Inattentive or Distracted Driving1× SW 5
  • 392.2-SLLS2State/Local Laws - Speeding 6-10 miles per hour over the speed limit1× SW 4
  • 392.2-SLLLRState/Local Laws - Lane restriction violation1× SW 3
  • 392.2LVLane Restriction violation1× SW 3

Vehicle Maintenance 19

  • 393.45DLUVBrake Connections with Leaks Under Vehicle1× SW 4
  • 393.55E-BAir Brake - ABS malfunction lamp defective on trailers manufactured on or after March 1, 19981× SW 4
  • 396.17C-PIOperating a CMV without documentation of a periodic inspection1× SW 4
  • 393.47(e)Brake Out of Adjustment - Roto, Clamp (Short & Long), DD-3, or Bolt1× SW 4
  • 393.53(b)CMV manufactured after 10/19/94 has an automatic airbrake adjustment system that fails to compensate for wear1× SW 4
  • 393.55(d)(3)No or Defective ABS Malfunction Indicator for towed vehicles on vehicles manufactured after February 20011× SW 4
  • 393.55(e)No or Defective ABS Malfunction Indicator Lamp for trailer manufactured after 03/01/19981× SW 4
  • 396.5B-LLubrication - Oil or grease leak1× SW 3
  • 393.11No or defective lighting devices or reflective material as required1× SW 3
  • 393.11TLTruck-Tractor lower rear mud flaps retroreflective sheeting / reflex reflective material requirements for vehicles manufactured after July 19971× SW 3
  • 393.9Inoperable Required Lamp4× SW 2
  • 393.9A-LSMLLighting - Side marker lamp(s) inoperative2× SW 2
  • 393.9A-LCLLighting - Clearance lamp(s) inoperative2× SW 2
  • 393.9A-LLPLLighting - License plate lamp inoperative1× SW 2
  • 393.205(c)Wheel fasteners loose and/or missing1× SW 2
  • 393.9A-LILLighting - Identification lamp(s) inoperative1× SW 2
  • 393.88Television/video display device - Improperly located1× SW 2
  • 393.203(b)Cab/body improperly secured to frame1× SW 2
  • 393.203C-CBPCab and Body Parts - Hood not securely fastened1× SW 2

Hours of Service 4

  • 395.22H1-ELDNUMHOS (ELD) - In-Vehicle Information - No user's manual for the driver describing how to operate the ELD. (May be electronic)2× SW 1
  • 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 official2× SW 1
  • 395.22H3-ELDMFHOS (ELD) - In-Vehicle Information - Failing to have an instruction sheet for the driver describing ELD malfunction reporting requirements and recordkeeping procedures during ELD malfunctions1× SW 1
  • 395.22H4Driver failed to maintain supply of blank drivers records of duty status graph-grids1× 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

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