CALFRAC WELL SERVICES CORP

USDOT 980037 • 707 17 STREET SUITE 2950, DENVER, CO, 80202

ACTIVE
Authority:None on file
Insurance:None on file
BOC-3:Not on file
Safety Rating:Not rated
MCS-150:Never updated
OOS Orders:None

Overview

Company profile from FMCSA Census File

USDOT
980,037
Status
ACTIVE
Operation
Interstate
Phone
3032932931
Power Units (MCS-150)
577
Drivers (MCS-150)
400
MCS-150 Mileage
2,980,718
Physical Address
707 17 STREET SUITE 2950, DENVER, CO, 80202
Contact

Authority & Insurance

Operating authority, insurance filings, and BOC-3 status

Active Authority
0
Revoked / Inactive
0
Authority Types
0
Insurance Policies
None on file
BOC-3 Filing
Not on file

Operating Authority

fmcsa-authhistApr 5, 2026
No records found

No insurance filings found for this carrier in FMCSA records.

Check FMCSA SAFER for current insurance status

Safety & Inspections

SMS BASIC scores, inspection history, and out-of-service rates

SMS BASIC Measures

Unsafe Driving
0
Hours of Service
0
Driver Fitness
0
Drugs / Alcohol
0.00
Vehicle Maintenance
4.77

BASIC measure values (lower = better). Percentile rankings not available for this carrier. Data from SMS snapshot Apr 5, 2026.

Inspections
162
Violations
122
26 OOS
Vehicle OOS %
17.0%
Driver OOS %
3.0%
Power Units (MCS-150)
577
Drivers (MCS-150)
400
Crash Records
25

Inspection Activity (24 months)

Monthly inspection counts with OOS months highlighted. Hover bars for details.

May
Jun
8
Jul
6
Aug
1
Sep
5
Oct
4
Nov
3
Dec
10
Jan
5
Feb
4
Mar
6
Apr
3
May
5
Jun
8
Jul
5
Aug
4
Sep
5
Oct
2
Nov
4
Dec
4
Jan
4
Feb
4
Mar
Apr
Clean monthMonth with OOSBased on latest 100 of 162 inspection records

Inspection Activity Map

16 states162 inspections

🚛
None Low Medium High🚛 Home base

Violation Summary (122 violations from latest 100 of 162 inspections)

fmcsa-inspection-file
Violation Summary (122 violations from latest 100 of 162 inspections)
CodeDescription# Violations# OOSSeverity WtBASIC
FMCSR:393.45D-BBrake tubing/hoses inadequate807Vehicle Maintenance
FMCSR:392.2-SLLOperating a CMV while ill or fatigued408Unsafe Driving
FMCSR:393.75A3-TAOLTires - All others leaking or inflation less than 50% of the maximum inflation pressure on tire not equipped with ATIS44Vehicle Maintenance
FMCSR:393.45(d)Brake tubing/hoses inadequate407Vehicle Maintenance
FMCSR:393.48(a)Inoperative/defective brakes408Vehicle Maintenance
FMCSR:393.75(a)(3)Tire-flat and/or audible air leak44Vehicle Maintenance
FMCSR:393.45B2-B-AIRBrake tubing/hoses inadequate307Vehicle Maintenance
FMCSR:396.5B-LFuel system leak307Vehicle Maintenance
FMCSR:393.9A-HLLHInoperable required lamps303Vehicle Maintenance
FMCSR:392.2-SLLEWA1Operating a CMV while ill or fatigued308Unsafe Driving
FMCSR:392.2-SLLEWA3Operating a CMV while ill or fatigued308Unsafe Driving
FMCSR:396.5-HLHubs - Leaking hub22Vehicle Maintenance
FMCSR:393.55E-BCoupling device/towing methods defective208Vehicle Maintenance
FMCSR:393.95A4-EEUSEmergency Equipment - Fire Extinguishers - unsecured20Vehicle Maintenance
FMCSR:395.3A2-HOSPDHOS (Property) - Driving beyond the 14 hour after coming on duty following 10 consecutive hours off duty during the current 8 consecutive day period. Date and Tim20Hours Of Service
FMCSR:392.2-SLLEWA2Operating a CMV while ill or fatigued208Unsafe Driving
FMCSR:393.11TLLighting devices/reflectors203Vehicle Maintenance
FMCSR:393.43DBMABrake - relay emergency valve227Vehicle Maintenance
FMCSR:393.45(b)(2)Brake tubing/hoses inadequate207Vehicle Maintenance
FMCSR:396.5(b)Fuel system leak207Vehicle Maintenance
FMCSR:393.43(d)Brake - relay emergency valve227Vehicle Maintenance
FMCSR:383.23(a)(2)CDL - wrong class228Driver Fitness
FMCSR:393.75A4-PBMETires - Has a cut to the extent that the ply or belt material is exposed.10Vehicle Maintenance
FMCSR:392.2-SLLSIVOperating a CMV while ill or fatigued108Unsafe Driving
FMCSR:395.8AFailing to keep RODS107Hours Of Service
FMCSR:396.3A1-FFuel - Dripping leak.11Vehicle Maintenance
FMCSR:396.3A1-OALOther - Any air leak not attributed to the brake or suspension system.10Vehicle Maintenance
FMCSR:393.78Windshield condition defective104Vehicle Maintenance
FMCSR:393.78A-WSWindshield condition defective104Vehicle Maintenance
FMCSR:393.9A-LSLIWRInoperable required lamps113Vehicle Maintenance
FMCSR:393.47ESlack adjuster defective107Vehicle Maintenance
FMCSR:393.53B-BSteering system components worn107Vehicle Maintenance
FMCSR:393.75A3-TAOLTISTires - All others leaking in tread area and inflation less than 50% of the maximum inflation pressure on tire equipped with ATIS11Vehicle Maintenance
FMCSR:392.2COperating a CMV while ill or fatigued108Unsafe Driving
FMCSR:395.3A3IIDriving beyond 8 hour driving limit since the end of the last on duty off duty or sleeper period of at least 30 minutes10Hours Of Service
FMCSR:395.3A1-HOSPDHOS (Property) - Driving more than 11 hours following 10 consecutive hours off duty during the current 8 consecutive day period. Date and Time10Hours Of Service
FMCSR:395.32B-ELDDFRELD - driver tamper/disable1010Hours Of Service
FMCSR:393.205C-WRWheel/Rim - Wheel fasteners loose/missing/ineffective/broken.11Vehicle Maintenance
FMCSR:393.130C-CHVECargo securement - heavy equipment117Vehicle Maintenance
FMCSR:393.205C-WRAWFLMIBWheel/Rim - Any wheel fasteners loose/missing/ineffective/broken.10Vehicle Maintenance
FMCSR:172.303A-HMMHM (Markings) - Displaying an HM package with prohibited marking(s).10Hazardous Materials
FMCSR:172.401A-HMLHM (Labeling) - Affixing label to a non-HM package/container10Hazardous Materials
FMCSR:393.9A-LRLIInoperable required lamps103Vehicle Maintenance
FMCSR:393.207F-SLASSuspension - Leaking 3 PSI in 5 minutes10Vehicle Maintenance
FMCSR:393.45D-BAALBrake tubing/hoses inadequate117Vehicle Maintenance
FMCSR:393.55C1-BCoupling device/towing methods defective108Vehicle Maintenance
FMCSR:393.55D1-BCoupling device/towing methods defective108Vehicle Maintenance
FMCSR:393.100B-CCargo securement - aggregate working load116Vehicle Maintenance
FMCSR:395.3A2-HOSPRNCDriving beyond 14 hour duty period at time of inspection. (Property carrying vehicle) - Nominal Violation10Hours Of Service
FMCSR:393.95BEmergency equipment - warning devices missing104Vehicle Maintenance
FMCSR:393.100C-CCargo - Cargo not secured against shifting10Vehicle Maintenance
FMCSR:396.5B-HWSLFuel system leak117Vehicle Maintenance
FMCSR:392.2-SLLSROperating a CMV while ill or fatigued108Unsafe Driving
FMCSR:392.2-SLLEWG2Operating a CMV while ill or fatigued108Unsafe Driving
FMCSR:392.2-SLLEWG3Operating a CMV while ill or fatigued108Unsafe Driving
FMCSR:395.24HOS (ELD) - ELD Form and Manner10Hours Of Service
FMCSR:392.16-DFailing to use seat belt (49 CFR)103Unsafe Driving
FMCSR:393.95A1Emergency Equipment - Fire Extinguishers - no fire extinguisher present or not properly rated.10Vehicle Maintenance
FMCSR:396.17C-PINo proof of periodic inspection103Vehicle Maintenance
FMCSR:395.30B1-ELDDFRHOS (ELD) - Driver failing to review records and certify the accuracy of the information.10Hours Of Service
FMCSR:393.47A-BCFSBDBrake chamber - cracked/broken108Vehicle Maintenance
FMCSR:393.9A-LLPLInoperable required lamps103Vehicle Maintenance
FMCSR:383.23A2-LCDLNLicense (CDL) - Operate a CMV and does not possess a valid CDL11Driver Fitness
FMCSR:393.9(a)Inoperable required lamps103Vehicle Maintenance
FMCSR:396.3(a)(1)Inspection/repair/maintenance - general115Vehicle Maintenance
FMCSR:172.602(a)Emergency Response information not complete10Hazardous Materials
FMCSR:393.83(g)Exhaust - Discharging at a point forward or directly below the driver or sleeper compartment10Vehicle Maintenance
FMCSR:395.22(h)(4)Driver failed to maintain supply of blank drivers records of duty status graph-grids10Hours Of Service
FMCSR:395.32(b)ELD - driver tamper/disable1010Hours Of Service
FMCSR:172.504(a)Placarding - table 1 materials108Hazardous Materials
FMCSR:392.2Operating a CMV while ill or fatigued108Unsafe Driving
FMCSR:393.95(f)Emergency Equipment - Stopped vehicle warning devices missing or improper10Vehicle Maintenance
FMCSR:383.71(h)License (CDL) - CDL or CLP holder possesses a valid medical certificate but is not on file with the issuing state driver's licensing agency as required10Driver Fitness
FMCSR:393.55(e)Coupling device/towing methods defective108Vehicle Maintenance
FMCSR:395.22(h)(2)Driver failing to maintain ELD instruction sheet10Hours Of Service
FMCSR:395.3(a)(3)(i)395.3(a)(3)(i)10Hours Of Service
FMCSR:395.3(a)(3)(ii)Driving after 60/70-hour limit108Hours Of Service
FMCSR:393.95(a)(4)393.95(a)(4)10Vehicle Maintenance
FMCSR:393.19Hazard warning signal inoperable103Vehicle Maintenance

Peer Context

This carrier vs national averages. Lower is better for all metrics.

Vehicle OOS Rate
17.0%vs nat'l 23.4%
-6.4 pts below avg
Driver OOS Rate
3.0%vs nat'l 6.7%
-3.7 pts below avg
Violations / Inspection
1.22vs nat'l 1.80
-0.58 below avg

National averages: vehicle OOS 23.4%, driver OOS 6.7%, violations per inspection ~1.8. Based on FMCSA MCSAP program data.

Inspection History (162 inspections)

Showing 50 of 162

fmcsa-inspectionsApr 5, 2026
Inspection History (162 inspections)
DateReport #StationStateLevelVehicleViolationsTop CodesOOS
Mar 31, 202687458096WILLISTON NDNDLevel 2TOKEN FLAT SEMI-TRAILER0No
Mar 25, 202687418263VERNAL UTUTLevel 1DURABILT SEMI-TRAILER2393.45B2-B-AIR, 393.75A4-PBMENo
Mar 23, 202687388113DINOSAUR COCOLevel 2UNPUBLISHE SEMI-TRAILER0No
Mar 5, 202687213542BROADUS MTMTLevel 3KENWORTH TRUCK TRACTOR1392.2-SLLNo
Feb 26, 202687161585BROADUS MTMTLevel 3UNPUBLISHE SEMI-TRAILER1392.2-SLLNo
Feb 26, 202687161587BROADUS MTMTLevel 3UNPUBLISHE SEMI-TRAILER1392.2-SLLNo
Feb 10, 202687025408LOMA COCOLevel 2KENWORTH TRUCK TRACTOR3396.5-HL, 393.75A3-TAOL, 396.5B-LYes
Feb 5, 202686974978BOWMAN NDNDLevel 3PETERBILT TRUCK TRACTOR0No
Jan 26, 202686921948VERNAL UTUTLevel 2KENWORTH TRUCK TRACTOR2393.9A-HLLH, 392.2-SLLSIVNo
Jan 14, 202686811199LOMA COCOLevel 2KENWORTH TRUCK TRACTOR0No
Jan 7, 202686735772WILLISTON NDNDLevel 3FONTAINE T SEMI-TRAILER1395.8ANo
Jan 5, 202686712512BOWMAN NDNDLevel 3WORLEY SEMI-TRAILER0No
Dec 18, 202586628034NAPLES UTUTLevel 1TRANSCRAFT SEMI-TRAILER3393.45B2-B-AIR, 393.45D-B, 393.75A3-TAOLYes
Dec 14, 202586566800BOWMAN NDNDLevel 3ATOK SEMI-TRAILER0No
Dec 14, 202586566798BOWMAN NDNDLevel 3ROLLIG SEMI-TRAILER0No
Dec 2, 202586479966RoadsideWYLevel 1FORD STRAIGHT TRUCK0No
Nov 11, 202586293977WILLISTON NDNDLevel 1WESTERN ST STRAIGHT TRUCK1396.3A1-FYes
Nov 6, 202586271898DINOSAUR COCOLevel 2PETERBILT STRAIGHT TRUCK0No
Oct 21, 202586134943MONTICELLO UTUTLevel 1KENWORTH TRUCK TRACTOR1396.3A1-OALNo
Oct 20, 202586114301LOMA COCOLevel 1FONTAINE T SEMI-TRAILER2393.45D-BNo
Oct 9, 202586013788WILLISTON NDNDLevel 1KENWORTH TRUCK TRACTOR0No
Oct 9, 202586013996WILLISTON NDNDLevel 1KENWORTH TRUCK TRACTOR0No
Oct 7, 202585999112CORTEZ COCOLevel 2KENWORTH TRUCK TRACTOR2393.78, 393.78A-WSNo
Sep 30, 202585929308SUNDANCE POEWYLevel 1KW TRUCK TRACTOR0No
Sep 24, 202585886610LOMA COCOLevel 2KENWORTH TRUCK TRACTOR0No
Sep 23, 202585867140INTERSTATE 40 MILE MARKER 311OKLevel 3PETE TRUCK TRACTOR0No
Sep 9, 202585741156TELLURIDE COCOLevel 2KENWORTH TRUCK TRACTOR1393.55E-BNo
Aug 28, 202585643450MONTICELLO UTUTLevel 1KENWORTH TRUCK TRACTOR2393.9A-LSLIWR, 393.75A3-TAOLYes
Aug 27, 202585634881CHEYENNE RIVER REST AREAWYLevel 1KW TRUCK TRACTOR1393.95A4-EEUSNo
Aug 24, 202585589646LOMA COCOLevel 3KENWORTH M TRUCK TRACTOR0No
Aug 22, 202585575580LOMA COCOLevel 1UNPUBLISHE SEMI-TRAILER0No
Aug 15, 202585515700MONTICELLO UTUTLevel 1UTILITY TR SEMI-TRAILER1396.5B-LNo
Jul 28, 202585356015LOMA COCOLevel 3KENWORTH TRUCK TRACTOR0No
Jul 18, 202585264947LOMA COCOLevel 1UNPUBLISHE SEMI-TRAILER4393.47E, 393.53B-B, 393.55E-BYes
Jul 14, 202585223567IH40 EB SHAMROCK SCALETXLevel 2PTRB TRUCK TRACTOR1392.2CNo
Jul 14, 202585239986MONTICELLO UTUTLevel 3KENWORTH TRUCK TRACTOR6395.3A2-HOSPD, 392.2-SLLEWA1, 395.3A3IINo
Jul 11, 202585197759WILLISTON NDNDLevel 1KENWORTH TRUCK TRACTOR0No
Jul 9, 202585184287LOMA COCOLevel 1KENWORTH TRUCK TRACTOR1393.45D-BNo
Jul 4, 202585131202WILLISTON NDNDLevel 2KENWORTH TRUCK TRACTOR2393.205C-WR, 392.2-SLLEWA3Yes
Jul 2, 202585127530LOMA COCOLevel 1PETERBILT TRUCK TRACTOR2393.130C-CHVE, 393.205C-WRAWFLMIBYes
Jun 24, 202585043962LOMA COCOLevel 3KENWORTH TRUCK TRACTOR0No
Jun 17, 202584991090WILLISTON NDNDLevel 2FORD STRAIGHT TRUCK2172.303A-HMM, 172.401A-HMLNo
Jun 17, 202584991103CORTEZ COCOLevel 2UNKNOWN SEMI-TRAILER0No
Jun 9, 202584929465MONTICELLO UTUTLevel 1UNKNOWN SEMI-TRAILER4393.45D-B, 393.9A-LRLI, 393.207F-SLASNo
Jun 5, 202584876410GILLETTE PORT OF ENTRYWYLevel 1KW TRUCK TRACTOR4393.9A-HLLH, 393.45D-BAAL, 396.5B-LYes
May 20, 202584740391WILLISTON NDNDLevel 2LODEK SEMI-TRAILER1393.55C1-BNo
May 19, 202584726995WILLISTON NDNDLevel 3LODEK SEMI-TRAILER1392.2-SLLEWA2No
May 15, 202584713932VERNAL UTUTLevel 1PRO-TRAIL SEMI-TRAILER1393.55D1-BNo
Apr 27, 202584517732BUFFALO SDSDLevel 3GREAT DANE SEMI-TRAILER0No
Apr 25, 202584504442GILLETTE POEWYLevel 2KW TRUCK TRACTOR1393.100B-CYes

Inspection analytics

Monthly cadence, frequent stations, and violation mix

Inspections per month (24 mo)

120 total · 18.3% OOS
2024-042026-03
InspectionsOOS

Most frequent inspection stations

WILLISTON ND28 · 2 OOS
LOMA CO17 · 6 OOS
GILLETTE POE7 · 4 OOS
MONTICELLO UT7 · 2 OOS
BROADUS MT7 · 1 OOS
CORTEZ CO6 · 3 OOS

Recent Crashes

25 crash records from FMCSA Crash File

Total Crashes
25
Fatalities
2
Fatal crashes on record
Injuries
13
Across 10 crashes
Tow-Aways
25

Crash History (25 records)

fmcsa-crash-fileApr 5, 2026
Crash History (25 records)
DateStateSeverityFatalitiesInjuriesCityLocationVINCarrier Name at Crash
Sep 2, 2025OHTOW00WASHINGTON (TOWNSHIP OF)SR 258...016360CALFRAC WELL SERVICES CORP
Feb 8, 2024INTOW00CAMBRIDGE CITY70...958174CALFRAC WELL SERVICES
Jan 21, 2024NDTOW0039 1/2 ST NW...X19419CALFRAC WELL SERVICES
Mar 31, 2023COFATAL10HWY 64 AT MP 13...461495CALFRAC WELL SERVICES
Dec 31, 2022COINJURY01CRAIGHWY 40 AT HWY 13...991497CALFRAC WELL SERVICES
Jun 1, 2020PATOW00
Sep 2, 2019NDINJURY01
Jul 26, 2019TXTOW00
Dec 16, 2018WYINJURY04
Nov 15, 2018COTOW00
Sep 4, 2018COTOW00
Jul 27, 2018TXINJURY01
Mar 3, 2018TXFATAL10
Nov 18, 2015PAINJURY01
Jul 21, 2015OHINJURY01
Feb 27, 2015TXTOW00
Feb 15, 2015ARTOW00
Sep 26, 2014TXTOW00
Jul 27, 2014TXINJURY01
Feb 19, 2014WYTOW00
Feb 1, 2013WYINJURY01
Apr 6, 2012ARTOW00
Jan 10, 2012ARINJURY01
Feb 7, 2011WYTOW00
Oct 24, 2008MTINJURY01

Compliance Timeline

25 events merged from authority, insurance, enforcement, OOS, crash, MCS-150, and safety rating records

Sep 2, 2025
Crash
Tow-away crash in OH
0 fatalities, 0 injuries
Feb 8, 2024
Crash
Tow-away crash in IN
0 fatalities, 0 injuries
Jan 21, 2024
Crash
Tow-away crash in ND
0 fatalities, 0 injuries
Mar 31, 2023
Crash
Fatal crash in CO
1 fatality, 0 injuries
Dec 31, 2022
Crash
Injury crash in CO
0 fatalities, 1 injury
Jun 1, 2020
Crash
Tow-away crash
0 fatalities, 0 injuries
Sep 2, 2019
Crash
Injury crash
0 fatalities, 1 injury
Jul 26, 2019
Crash
Tow-away crash
0 fatalities, 0 injuries
Dec 16, 2018
Crash
Injury crash
0 fatalities, 4 injuries
Nov 15, 2018
Crash
Tow-away crash
0 fatalities, 0 injuries
Sep 4, 2018
Crash
Tow-away crash
0 fatalities, 0 injuries
Jul 27, 2018
Crash
Injury crash
0 fatalities, 1 injury
Mar 3, 2018
Crash
Fatal crash
1 fatality, 0 injuries
Nov 18, 2015
Crash
Injury crash
0 fatalities, 1 injury
Jul 21, 2015
Crash
Injury crash
0 fatalities, 1 injury
Feb 27, 2015
Crash
Tow-away crash
0 fatalities, 0 injuries
Feb 15, 2015
Crash
Tow-away crash
0 fatalities, 0 injuries
Sep 26, 2014
Crash
Tow-away crash
0 fatalities, 0 injuries
Jul 27, 2014
Crash
Injury crash
0 fatalities, 1 injury
Feb 19, 2014
Crash
Tow-away crash
0 fatalities, 0 injuries
Feb 1, 2013
Crash
Injury crash
0 fatalities, 1 injury
Apr 6, 2012
Crash
Tow-away crash
0 fatalities, 0 injuries
Jan 10, 2012
Crash
Injury crash
0 fatalities, 1 injury
Feb 7, 2011
Crash
Tow-away crash
0 fatalities, 0 injuries
Oct 24, 2008
Crash
Injury crash
0 fatalities, 1 injury

Related Records

Data sources & freshness

FMCSA Company Census File
Generated from 24-hour old database. Contact info and fleet counts may lag.
Updated 1 weeks ago
FMCSA Authority History
Updated 1 weeks ago
FMCSA Insurance Filings
Updated 1 weeks ago
FMCSA Vehicle Inspection File
Updated 1 weeks ago
Refresh dataLast updated: Apr 5, 2026