Freight Carrier/cargo Tank · Frederick, MD
THOMPSONGAS LLC
5260 WESTVIEW DRIVE SUITE 200 · Frederick, MD 21703
Authorized: Property
(301) 302-8220
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- MC #938205
- USDOT #2812287 USDOT Active
- 1210Power Units
- 787Drivers
- Carrier/cargo TankEntity Type
About this carrier
THOMPSONGAS LLC is a Frederick, MD freight carrier/cargo tank that is authorized for property in the state of Maryland. This company has 1210 truck(s) in their fleet and 787 truck drivers. Their motor carrier number is MC-938205 and their USDOT number is 2812287.
Sourced from FMCSA SAFER · last filed 09/19/2024 · last updated May 26, 2026.Carrier Details
- Operating Status AUTHORIZED FOR Property
- MCS-150 Filed 09/19/2024
- MCS-150 Mileage 16,264,256 (2023)
Authority & Operations
Operation Classification
- Authorized for Hire
- Private (Property)
Carrier Operation
- Interstate
Cargo Authorized
- Liquids/Gases
Operating Territory
Inspection activity Inspected in 29 states over the past 24 months: AL (105), CA (76), TX (74), MD (57), FL (46), MO (46), MT (40), NC (31), WA (30), WV (27), GA (24), MN (22), +17 more. Home base: Frederick, Maryland.
Safety Record
Crashes (24 mo)
-
0Fatal
- 4Injury
- 12Tow
- 16Total
Behavior Categories (BASICs)
CategoryMeasureViolations
Unsafe Driving
0.16
18
Crash Indicator
Not Public
—
Hours of Service
0
1
Vehicle Maintenance
0.89
77
Drugs / Alcohol
0
0
Hazmat
Not Public
—
Driver Fitness
0.01
3
Inspection Summary
- 656Total
- 548Clean
- 108With violations
24-month window ending May 15, 2026
Violations Cited 104 unique codes
Critical 37
- 173.24(b)(1)Release of Hazardous Materials from package
- 392.2-SLLSWZState/Local Laws - Speeding work/construction zone
- 392.2-SLLS4State/Local Laws - Speeding 15 or more miles per hour over the speed limit
- 392.82(a)1Using a hand-held mobile telephone while operating a CMV
- 393.75(a)(3)Tire-flat and/or audible air leak
- 383.95A-LCDLRestriction - (CDL) - Operate a CMV in violation of a restriction
- 393.75C-TAOTD-LT2/32Tires - Less than 2/32 inch tread depth
- 178.337-13MC331 supports and anchoring
- 178.337-13-HMPHM (Packaging) - MC 331 supports and anchoring
- 178.337-9C-HMPHM (Packaging) - MC 331 improper marking of inlets/outlets.
- 393.207A-SAPPASSuspension - Axle positioning part cracked/broken/loose/missing resulting in axle shift
- 393.9TSInoperative turn signal
- 393.9TInoperable tail lamp
- 393.209(d)Steering system components worn, welded, or missing
- 393.9A-LSLIWRLighting - Stop lamps - Both inoperative when required to be on
- 393.43DBMABrake - Breakaway not attached to the towing vehicle
- 177.834J2-HMBPHM (Bulk Packages) - Operate a motor vehicle with the internal valve in the open position
- 393.41No or defective parking brake system on CMV
- 393.41-BNPBBrake - Inoperative or missing parking brake on power unit
- 393.43No/improper breakaway or emergency braking
- 393.45Brake tubing and hose adequacy
- 393.45B2-BHTDAir Brake - Hose/tubing damage into the outer reinforcement ply.
- 393.47A-BCFSBD-SADrum Brake - Contaminated friction surface on a steering axle
- 393.51C-BLPWAir Brake - Low pressure warning device missing/inoperative
- 396.3A1BLBrake system pressure loss
- 393.110B2II-CCargo - Insufficient tiedowns (w/o headerboard/blocking) for article(s) of cargo longer than 5 feet and no more than 10 feet
- 177.817A-HMSPHM (Shipping Papers) - Operate a motor vehicle without a required shipping paper. NOTE: An error in the shipping description or an incomplete shipping description that will not impede emergency response does not constitute an OOS condition.
- 391.41B10-MCMedical (Certificate) - Operating a commercial vehicle without corrective lenses or hearing aid as indicated on the driver's medical certificate
- 393.205C-WRWheel/Rim - Wheel fasteners loose/missing/ineffective/broken.
- 396.3A1-HCMHubs - Bearing cap, plug or filler plug missing or broken
- 396.5B-HWSLIWHubs - Wheel seal leaking - inner wheel
- 177801LEAKAccepting/transporting HM not prepared in accordance with the regulations. Package has identifiable (without the use of instruments) release of HM to the environment. {49 CFR 173.24(b)(1)}
- 392.9A2-CCargo - Vehicle components or dunnage not secured
- 392.9(a)Failing to secure load
- 392.9(a)(2)Failing to secure vehicle equipment
- 393.130No/improper heavy vehicle/machine securement
- 396.3(a)1BOSBrake - Defective brake(s) are equal to or greater than 20% of the service brakes on the vehicle/combination
Unsafe Driving 8
- 392.2-SLLS3State/Local Laws - Speeding 11-14 miles per hour over the speed limit
- 392.16Failing to use seat belt while operating a CMV
- 392.16-DDriver - Failed to use seat belt while operating a CMV
- 392.16ADDriver - Failed to use seat belt while operating a CMV.
- 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
- 392.2CFailure to obey traffic control device
- 392.2-SLLS2State/Local Laws - Speeding 6-10 miles per hour over the speed limit
- 392.2LVLane Restriction violation
Vehicle Maintenance 45
- 393.207A-SAPPCBLMSuspension - Axle positioning part cracked/broken/loose/missing.
- 393.9A-LHLILighting - Headlamp(s) - Any inoperative
- 393.9HInoperable head lamps
- 393.19Inoperative/Defective Hazard Warning Lamp
- 393.209(e)Power steering violations
- 393.9A-LBLLighting - Backup lamp inoperative
- 393.9A-LFTSILighting - Front - Turn signal - inoperative
- 393.47(e)Brake Out of Adjustment - Roto, Clamp (Short & Long), DD-3, or Bolt
- 393.45D-BAir Brake - Audible air leak at a proper connection
- 393.53B-BAir Brake - CMV manufactured on or after 10/20/1994 has an automatic airbrake adjustment system that fails to compensate for wear
- 393.45B2-B-AIRAir Brake - Hose/tubing damaged or not secured
- 396.17(c)Operating a CMV without proof of a periodic inspection
- 393.45B2UVBrake Hose or Tubing Chafing and/or Kinking Under Vehicle
- 393.48(a)Inoperative/defective brakes
- 393.43E-BBSTBrake - Bleedback system is defective on trailer
- 393.45B2-BAir brake - Hose/tubing damaged or not secured
- 393.45(d)Brake connections with leaks or constrictions
- 393.45D-BAALAir Brake - Audible air leak at other than a proper connection
- 393.45DLUVBrake Connections with Leaks Under Vehicle
- 393.47(a)Inadequate brakes for safe stopping - Brake Lining condition
- 393.48A-BIBDDrum Brake - Inoperative other than a steering axle
- 393.53(b)CMV manufactured after 10/19/94 has an automatic airbrake adjustment system that fails to compensate for wear
- 396.3A1-ALBVAir Brake - Any leak from a brake valve
- 396.3A1-BALACBrake - Audible air leak from a brake chamber
- 396.3A1-OALOther - Any air leak not attributed to the brake or suspension system.
- 396.5(b)Oil and/or grease leak
- 393.11No or defective lighting devices or reflective material as required
- 396.5B-LLubrication - Oil or grease leak
- 393.11A1-LRRLighting - Reflex reflector(s) missing or improper
- 393.81Horn inoperative
- 393.81-HHorn - Inoperative or defective
- 393.9Inoperable Required Lamp
- 393.95(a)No/discharged/unsecured fire extinguisher
- 392.8Failing to inspect/use emergency equipment
- 393.11A1-LILLighting - Identification lamp(s) missing
- 393.201A-FRCLSFrame - Cracked/loose/sagging/broken frame or chassis
- 393.95A1Emergency Equipment - Fire Extinguishers - no fire extinguisher present or not properly rated.
- 393.95(f)Emergency Equipment - Stopped vehicle warning devices missing or improper
- 393.9A-LILLighting - Identification lamp(s) inoperative
- 393.9A-LLPLLighting - License plate lamp inoperative
- 393.9B-LSMLLighting - Side marker lamp(s) obscured
- 396.3(a)(1)Inspection, repair and maintenance of parts and accessories
- 393.60(d)Windshield / Windows - Tinting permits less than 70% of light transmittance
- 393.78Wipers - Inoperative / missing / damaged wipers
- 393.78A-WSWashers - Inoperative washing system.
Hazardous Materials 11
- 172.331C-HMMHM (Markings) - Failing to mark a motor vehicle transporting other bulk package(s) with ID numbers as required
- 172.502(a)(1)Prohibited placarding
- 172.504A-HMPSHM (Placarding) - Bulk package/freight container/unit load device/transport vehicle not placarded as required.
- 172.516APlacard not visible from direction it faces
- 172.516C4-HMPMCHM (Placarding) - Failure to display placard(s) at least 3 inches from any other marking(s)
- 172.516(c)(5)Placard not reading horizontally
- 172.516(c)(6)Placard damaged, deteriorated, or obscured
- 177.817(e)Shipping paper accessibility
- 172.200(a)No shipping paper provided by offeror
- 172.200A-HMSPSNSPHM (Shipping Papers) - Shipper failed to provide HM shipping paper
- 177.801-HMHCNPHM (Highway Carriage) - Driver accepted/transported HM not prepared in accordance with this Subchapter. Explain
Hours of Service 2
- 395.24D-ELDPTHOS (ELD) - On request by an authorized safety official, a driver must produce and transfer from an ELD the driver's hours of service records in accordance with the instruction sheet provided by the motor carrier
- 395.22H1-ELDNUMHOS (ELD) - In-Vehicle Information - No user's manual for the driver describing how to operate the ELD. (May be electronic)
Driver Fitness 1
- 391.41A-MCPCMedical (Certificate) - Operating a commercial motor vehicle without showing proof of a valid medical certification upon request when medical certification is required.
Locations
Physical Address
THOMPSONGAS LLC5260 WESTVIEW DRIVE SUITE 200
FREDERICK, MD 21703
Mailing Address
Same as physical.