Freight Carrier · Cheyenne, WY
OGALLALA READYMIX & MILESTONE REDI-MIX WILLITS AGGREGATES
4819 S INDUSTRIAL SERVICE RD · Cheyenne, WY 82007
Authorized: Property
(307) 632-7900
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- MC #193897
- USDOT #104367 USDOT Active
- 106Power Units
- 81Drivers
- CarrierEntity Type
About this carrier
OGALLALA READYMIX & MILESTONE REDI-MIX WILLITS AGGREGATES is a Cheyenne, WY freight carrier that is authorized for property in the state of Wyoming. This company has 106 truck(s) in their fleet and 81 truck drivers. Their motor carrier number is MC-193897 and their USDOT number is 104367.
Sourced from FMCSA SAFER · last filed 06/26/2024 · last updated May 13, 2026.Carrier Details
- Legal Name SIMON CONTRACTORS
- Operating Status AUTHORIZED FOR Property
- MCS-150 Filed 06/26/2024
- MCS-150 Mileage 776,404 (2023)
Authority & Operations
Operation Classification
- Authorized for Hire
- Private (Property)
Carrier Operation
- Interstate
Cargo Authorized
- General Freight
- Logs, Poles, Beams, Lumber
- Building Materials
- Machinery, Large Objects
- Liquids/Gases
- Construction
Operating Territory
Inspection activity Inspected in 5 states over the past 24 months: NE (9), CO (6), WY (5), SD (1), MO (1). Home base: Cheyenne, Wyoming.
Safety Record
Out of Service Rates (24 mo)
TypeThis carrierNational avg
Vehicle
28.6%
23.4%
Driver
0%
6.7%
Hazmat
—
4.4%
Crashes (24 mo)
-
0Fatal
- 1Injury
- 1Tow
- 2Total
Behavior Categories (BASICs)
CategoryMeasureViolations
Unsafe Driving
0.17
3
Crash Indicator
Not Public
—
Hours of Service
0.02
1
Vehicle Maintenance
6.3
8
Drugs / Alcohol
0
0
Hazmat
Not Public
—
Driver Fitness
0
0
Inspection Summary
- 22Total
- 12Clean
- 10With violations
24-month window ending May 15, 2026
Violations Cited 23 unique codes
Critical 5
- 393.75C-TAOTD-LT2/32Tires - Less than 2/32 inch tread depth
- 393.100B-CCargo - Cargo not secured to prevent leaking/spilling/blowing/falling from CMV
- 393.9A-LTSILighting - Turn signal - Any inoperative on the rearmost vehicle.
- 393.11A1-LTSMLighting - Turn signal - Any missing on the rearmost vehicle.
- 396.3(a)1BOSBrake - Defective brake(s) are equal to or greater than 20% of the service brakes on the vehicle/combination
Unsafe Driving 3
- 392.16-DDriver - Failed to use seat belt while operating a CMV
- 392.2-SLLS2State/Local Laws - Speeding 6-10 miles per hour over the speed limit
- 392.2-SLLS4State/Local Laws - Speeding 15 or more miles per hour over the speed limit
Vehicle Maintenance 14
- 393.9A-LSLILighting - Stop lamps - Any inoperative.
- 393.9A-HLLHLighting - Headlamp(s) fail to operate on low and high beam
- 393.11A1-LBLLighting - Backup lamp missing
- 393.45D-BAir Brake - Audible air leak at a proper connection
- 393.48A-BIHEHydraulic/Electric Brake - Inoperative other than a steering axle.
- 393.47(e)Brake Out of Adjustment - Roto, Clamp (Short & Long), DD-3, or Bolt
- 393.47A-BCFSBDDrum Brake - Contaminated friction surface
- 393.45B2-B-AIRAir Brake - Hose/tubing damaged or not secured
- 393.11A1-CSLRRConspicuity Systems - Truck tractor, lower rear retro reflective sheeting missing on vehicle manufactured on or after July 1, 1997
- 396.5B-LLubrication - Oil or grease leak
- 393.95A3Emergency Equipment - Fire Extinguishers - no visual indicator
- 393.95A4-EEUSEmergency Equipment - Fire Extinguishers - unsecured
- 393.9A-LILLighting - Identification lamp(s) inoperative
- 393.78A-WSWashers - Inoperative washing system.
Hours of Service 1
- 395.8(a)HOS (Form) - Paper Log/Logging Programs Form and Manner
Locations
Physical Address
OGALLALA READYMIX & MILESTONE REDI-MIX WILLITS AGGREGATES4819 S INDUSTRIAL SERVICE RD
CHEYENNE, WY 82007
Mailing Address
SIMON CONTRACTORSP O BOX 149
CHEYENNE, WY 82003-0149