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Freight Carrier · Tonkawa, OK

DIEMER CONSTRUCTION CO LLC

14211 S 13TH · Tonkawa, OK 74653

AUTHORIZED FOR:
(580) 628-3052 Tap to call
  • MC #459420
  • USDOT #641361 USDOT Active
  • 52
    Power Units
  • 25
    Drivers
  • Carrier
    Entity Type

About this carrier

DIEMER CONSTRUCTION CO LLC is a Tonkawa, OK freight carrier that is authorized for: in the state of Oklahoma. This company has 52 truck(s) in their fleet and 25 truck drivers. Their motor carrier number is MC-459420 and their USDOT number is 641361.

Sourced from FMCSA SAFER · last filed 01/27/2026 · last updated Jul 1, 2026.

Carrier Details

  • Operating Status AUTHORIZED FOR:
  • MCS-150 Filed 01/27/2026
  • MCS-150 Mileage 450,936 (2025)

Authority & Operations

Operation Classification
  • Authorized for Hire
  • Private (Property)
Carrier Operation
  • Interstate

Cargo Authorized

  • Motor Vehicles
  • Building Materials
  • Machinery, Large Objects
  • Liquids/Gases
  • Oilfield Equipment
  • Grain, Feed, Hay
  • Commodities Dry Bulk
  • Agricultural / Farm Supplies
  • Construction

Operating Territory

Map of states where this carrier has roadside inspections Oklahoma — 7 inspections (past 24 months) Texas — 1 inspection (past 24 months) Texas — 1 inspection (past 24 months)

Inspection activity   Inspected in 2 states over the past 24 months: OK (7), TX (1). Home base: Tonkawa, Oklahoma.

Safety Record

3 Severe Violations Updated Jul 19, 2026

Crashes (24 mo)

  • 0
    Fatal
  • 1
    Injury
  • 0
    Tow
  • 1
    Total

Behavior Categories (BASICs)

CategoryMeasureViolations Unsafe Driving 0.63 2 Crash Indicator Not Public — Hours of Service 0.93 1 Vehicle Maintenance 10 6 Drugs / Alcohol 0 0 Hazmat Not Public — Driver Fitness 0.5 1

Inspection Summary

  • 8
    Total
  • 0
    Clean
  • 8
    With violations

24-month window ending Jun 26, 2026

Violations Cited 13 unique codes

Critical 4

  • 393.130C-CHVEHeavy Vehicles/Equipment - Improper securement of heavy vehicles, equipment or machinery with crawler tracks or wheels2× OOS×2 SW 7
  • 393.9A-LSLIWRLighting - Stop lamps - Both inoperative when required to be on1× OOS×1 SW 6
  • 391.11(b)(4)Medical (Certificate) - Operating a CDL (passenger or property carrying) vehicle that is non-excepted and the driver has self-certified as excepted interstate or excepted intrastate with the state driver's licensing agency.1× 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 2

  • 392.16-DDriver - Failed to use seat belt while operating a CMV1× SW 7
  • 392.2-SLLS2State/Local Laws - Speeding 6-10 miles per hour over the speed limit1× SW 4

Vehicle Maintenance 6

  • 393.9A-LHLILighting - Headlamp(s) - Any inoperative1× SW 6
  • 393.9A-LRLILighting - Tail lamp - Any inoperative1× SW 6
  • 393.47(e)Brake Out of Adjustment - Roto, Clamp (Short & Long), DD-3, or Bolt1× SW 4
  • 393.53BMANAir Brake - CMV manufactured on or after 10/20/1994 is not equipped with automatic air brake adjusters1× SW 4
  • 396.3A1BBrakes (general) Explain:1× SW 4
  • 393.9A-LSMLLighting - Side marker lamp(s) inoperative1× SW 2

Hours of Service 1

  • 395.8K2-HOSRCHOS (Manner) - Driver failed to retain a copy of each record of duty status for the previous 7 consecutive days which shall be in his/her possession and available for inspection while on duty1× SW 5

Locations

Physical Address
DIEMER CONSTRUCTION CO LLC
14211 S 13TH
TONKAWA, OK 74653
Mailing Address
Same as physical.

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