CALFRAC WELL SERVICES CORP
USDOT 980037 • 707 17 STREET SUITE 2950, DENVER, CO, 80202
Overview
Company profile from FMCSA Census File
Authority & Insurance
Operating authority, insurance filings, and BOC-3 status
Operating Authority
No insurance filings found for this carrier in FMCSA records.
Safety & Inspections
SMS BASIC scores, inspection history, and out-of-service rates
SMS BASIC Measures
BASIC measure values (lower = better). Percentile rankings not available for this carrier. Data from SMS snapshot Apr 5, 2026.
Inspection Activity (24 months)
Monthly inspection counts with OOS months highlighted. Hover bars for details.
Inspection Activity Map
16 states • 162 inspections
Violation Summary (122 violations from latest 100 of 162 inspections)
| Code | Description | # Violations | # OOS | Severity Wt | BASIC |
|---|---|---|---|---|---|
| FMCSR:393.45D-B | Brake tubing/hoses inadequate | 8 | 0 | 7 | Vehicle Maintenance |
| FMCSR:392.2-SLL | Operating a CMV while ill or fatigued | 4 | 0 | 8 | Unsafe Driving |
| FMCSR:393.75A3-TAOL | Tires - All others leaking or inflation less than 50% of the maximum inflation pressure on tire not equipped with ATIS | 4 | 4 | — | Vehicle Maintenance |
| FMCSR:393.45(d) | Brake tubing/hoses inadequate | 4 | 0 | 7 | Vehicle Maintenance |
| FMCSR:393.48(a) | Inoperative/defective brakes | 4 | 0 | 8 | Vehicle Maintenance |
| FMCSR:393.75(a)(3) | Tire-flat and/or audible air leak | 4 | 4 | — | Vehicle Maintenance |
| FMCSR:393.45B2-B-AIR | Brake tubing/hoses inadequate | 3 | 0 | 7 | Vehicle Maintenance |
| FMCSR:396.5B-L | Fuel system leak | 3 | 0 | 7 | Vehicle Maintenance |
| FMCSR:393.9A-HLLH | Inoperable required lamps | 3 | 0 | 3 | Vehicle Maintenance |
| FMCSR:392.2-SLLEWA1 | Operating a CMV while ill or fatigued | 3 | 0 | 8 | Unsafe Driving |
| FMCSR:392.2-SLLEWA3 | Operating a CMV while ill or fatigued | 3 | 0 | 8 | Unsafe Driving |
| FMCSR:396.5-HL | Hubs - Leaking hub | 2 | 2 | — | Vehicle Maintenance |
| FMCSR:393.55E-B | Coupling device/towing methods defective | 2 | 0 | 8 | Vehicle Maintenance |
| FMCSR:393.95A4-EEUS | Emergency Equipment - Fire Extinguishers - unsecured | 2 | 0 | — | Vehicle Maintenance |
| FMCSR:395.3A2-HOSPD | HOS (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 Tim | 2 | 0 | — | Hours Of Service |
| FMCSR:392.2-SLLEWA2 | Operating a CMV while ill or fatigued | 2 | 0 | 8 | Unsafe Driving |
| FMCSR:393.11TL | Lighting devices/reflectors | 2 | 0 | 3 | Vehicle Maintenance |
| FMCSR:393.43DBMA | Brake - relay emergency valve | 2 | 2 | 7 | Vehicle Maintenance |
| FMCSR:393.45(b)(2) | Brake tubing/hoses inadequate | 2 | 0 | 7 | Vehicle Maintenance |
| FMCSR:396.5(b) | Fuel system leak | 2 | 0 | 7 | Vehicle Maintenance |
| FMCSR:393.43(d) | Brake - relay emergency valve | 2 | 2 | 7 | Vehicle Maintenance |
| FMCSR:383.23(a)(2) | CDL - wrong class | 2 | 2 | 8 | Driver Fitness |
| FMCSR:393.75A4-PBME | Tires - Has a cut to the extent that the ply or belt material is exposed. | 1 | 0 | — | Vehicle Maintenance |
| FMCSR:392.2-SLLSIV | Operating a CMV while ill or fatigued | 1 | 0 | 8 | Unsafe Driving |
| FMCSR:395.8A | Failing to keep RODS | 1 | 0 | 7 | Hours Of Service |
| FMCSR:396.3A1-F | Fuel - Dripping leak. | 1 | 1 | — | Vehicle Maintenance |
| FMCSR:396.3A1-OAL | Other - Any air leak not attributed to the brake or suspension system. | 1 | 0 | — | Vehicle Maintenance |
| FMCSR:393.78 | Windshield condition defective | 1 | 0 | 4 | Vehicle Maintenance |
| FMCSR:393.78A-WS | Windshield condition defective | 1 | 0 | 4 | Vehicle Maintenance |
| FMCSR:393.9A-LSLIWR | Inoperable required lamps | 1 | 1 | 3 | Vehicle Maintenance |
| FMCSR:393.47E | Slack adjuster defective | 1 | 0 | 7 | Vehicle Maintenance |
| FMCSR:393.53B-B | Steering system components worn | 1 | 0 | 7 | Vehicle Maintenance |
| FMCSR:393.75A3-TAOLTIS | Tires - All others leaking in tread area and inflation less than 50% of the maximum inflation pressure on tire equipped with ATIS | 1 | 1 | — | Vehicle Maintenance |
| FMCSR:392.2C | Operating a CMV while ill or fatigued | 1 | 0 | 8 | Unsafe Driving |
| FMCSR:395.3A3II | Driving beyond 8 hour driving limit since the end of the last on duty off duty or sleeper period of at least 30 minutes | 1 | 0 | — | Hours Of Service |
| FMCSR:395.3A1-HOSPD | HOS (Property) - Driving more than 11 hours following 10 consecutive hours off duty during the current 8 consecutive day period. Date and Time | 1 | 0 | — | Hours Of Service |
| FMCSR:395.32B-ELDDFR | ELD - driver tamper/disable | 1 | 0 | 10 | Hours Of Service |
| FMCSR:393.205C-WR | Wheel/Rim - Wheel fasteners loose/missing/ineffective/broken. | 1 | 1 | — | Vehicle Maintenance |
| FMCSR:393.130C-CHVE | Cargo securement - heavy equipment | 1 | 1 | 7 | Vehicle Maintenance |
| FMCSR:393.205C-WRAWFLMIB | Wheel/Rim - Any wheel fasteners loose/missing/ineffective/broken. | 1 | 0 | — | Vehicle Maintenance |
| FMCSR:172.303A-HMM | HM (Markings) - Displaying an HM package with prohibited marking(s). | 1 | 0 | — | Hazardous Materials |
| FMCSR:172.401A-HML | HM (Labeling) - Affixing label to a non-HM package/container | 1 | 0 | — | Hazardous Materials |
| FMCSR:393.9A-LRLI | Inoperable required lamps | 1 | 0 | 3 | Vehicle Maintenance |
| FMCSR:393.207F-SLAS | Suspension - Leaking 3 PSI in 5 minutes | 1 | 0 | — | Vehicle Maintenance |
| FMCSR:393.45D-BAAL | Brake tubing/hoses inadequate | 1 | 1 | 7 | Vehicle Maintenance |
| FMCSR:393.55C1-B | Coupling device/towing methods defective | 1 | 0 | 8 | Vehicle Maintenance |
| FMCSR:393.55D1-B | Coupling device/towing methods defective | 1 | 0 | 8 | Vehicle Maintenance |
| FMCSR:393.100B-C | Cargo securement - aggregate working load | 1 | 1 | 6 | Vehicle Maintenance |
| FMCSR:395.3A2-HOSPRNC | Driving beyond 14 hour duty period at time of inspection. (Property carrying vehicle) - Nominal Violation | 1 | 0 | — | Hours Of Service |
| FMCSR:393.95B | Emergency equipment - warning devices missing | 1 | 0 | 4 | Vehicle Maintenance |
| FMCSR:393.100C-C | Cargo - Cargo not secured against shifting | 1 | 0 | — | Vehicle Maintenance |
| FMCSR:396.5B-HWSL | Fuel system leak | 1 | 1 | 7 | Vehicle Maintenance |
| FMCSR:392.2-SLLSR | Operating a CMV while ill or fatigued | 1 | 0 | 8 | Unsafe Driving |
| FMCSR:392.2-SLLEWG2 | Operating a CMV while ill or fatigued | 1 | 0 | 8 | Unsafe Driving |
| FMCSR:392.2-SLLEWG3 | Operating a CMV while ill or fatigued | 1 | 0 | 8 | Unsafe Driving |
| FMCSR:395.24 | HOS (ELD) - ELD Form and Manner | 1 | 0 | — | Hours Of Service |
| FMCSR:392.16-D | Failing to use seat belt (49 CFR) | 1 | 0 | 3 | Unsafe Driving |
| FMCSR:393.95A1 | Emergency Equipment - Fire Extinguishers - no fire extinguisher present or not properly rated. | 1 | 0 | — | Vehicle Maintenance |
| FMCSR:396.17C-PI | No proof of periodic inspection | 1 | 0 | 3 | Vehicle Maintenance |
| FMCSR:395.30B1-ELDDFR | HOS (ELD) - Driver failing to review records and certify the accuracy of the information. | 1 | 0 | — | Hours Of Service |
| FMCSR:393.47A-BCFSBD | Brake chamber - cracked/broken | 1 | 0 | 8 | Vehicle Maintenance |
| FMCSR:393.9A-LLPL | Inoperable required lamps | 1 | 0 | 3 | Vehicle Maintenance |
| FMCSR:383.23A2-LCDLN | License (CDL) - Operate a CMV and does not possess a valid CDL | 1 | 1 | — | Driver Fitness |
| FMCSR:393.9(a) | Inoperable required lamps | 1 | 0 | 3 | Vehicle Maintenance |
| FMCSR:396.3(a)(1) | Inspection/repair/maintenance - general | 1 | 1 | 5 | Vehicle Maintenance |
| FMCSR:172.602(a) | Emergency Response information not complete | 1 | 0 | — | Hazardous Materials |
| FMCSR:393.83(g) | Exhaust - Discharging at a point forward or directly below the driver or sleeper compartment | 1 | 0 | — | Vehicle Maintenance |
| FMCSR:395.22(h)(4) | Driver failed to maintain supply of blank drivers records of duty status graph-grids | 1 | 0 | — | Hours Of Service |
| FMCSR:395.32(b) | ELD - driver tamper/disable | 1 | 0 | 10 | Hours Of Service |
| FMCSR:172.504(a) | Placarding - table 1 materials | 1 | 0 | 8 | Hazardous Materials |
| FMCSR:392.2 | Operating a CMV while ill or fatigued | 1 | 0 | 8 | Unsafe Driving |
| FMCSR:393.95(f) | Emergency Equipment - Stopped vehicle warning devices missing or improper | 1 | 0 | — | Vehicle 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 required | 1 | 0 | — | Driver Fitness |
| FMCSR:393.55(e) | Coupling device/towing methods defective | 1 | 0 | 8 | Vehicle Maintenance |
| FMCSR:395.22(h)(2) | Driver failing to maintain ELD instruction sheet | 1 | 0 | — | Hours Of Service |
| FMCSR:395.3(a)(3)(i) | 395.3(a)(3)(i) | 1 | 0 | — | Hours Of Service |
| FMCSR:395.3(a)(3)(ii) | Driving after 60/70-hour limit | 1 | 0 | 8 | Hours Of Service |
| FMCSR:393.95(a)(4) | 393.95(a)(4) | 1 | 0 | — | Vehicle Maintenance |
| FMCSR:393.19 | Hazard warning signal inoperable | 1 | 0 | 3 | Vehicle Maintenance |
Peer Context
This carrier vs national averages. Lower is better for all metrics.
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
Inspection analytics
Monthly cadence, frequent stations, and violation mix
Inspections per month (24 mo)
Most frequent inspection stations
Violations by BASIC category
Recent Crashes
25 crash records from FMCSA Crash File
Crash History (25 records)
| Date | State | Severity | Fatalities | Injuries | City | Location | VIN | Carrier Name at Crash |
|---|---|---|---|---|---|---|---|---|
| Sep 2, 2025 | OH | TOW | 0 | 0 | WASHINGTON (TOWNSHIP OF) | SR 258 | ...016360 | CALFRAC WELL SERVICES CORP |
| Feb 8, 2024 | IN | TOW | 0 | 0 | CAMBRIDGE CITY | 70 | ...958174 | CALFRAC WELL SERVICES |
| Jan 21, 2024 | ND | TOW | 0 | 0 | — | 39 1/2 ST NW | ...X19419 | CALFRAC WELL SERVICES |
| Mar 31, 2023 | CO | FATAL | 1 | 0 | — | HWY 64 AT MP 13 | ...461495 | CALFRAC WELL SERVICES |
| Dec 31, 2022 | CO | INJURY | 0 | 1 | CRAIG | HWY 40 AT HWY 13 | ...991497 | CALFRAC WELL SERVICES |
| Jun 1, 2020 | PA | TOW | 0 | 0 | — | — | — | — |
| Sep 2, 2019 | ND | INJURY | 0 | 1 | — | — | — | — |
| Jul 26, 2019 | TX | TOW | 0 | 0 | — | — | — | — |
| Dec 16, 2018 | WY | INJURY | 0 | 4 | — | — | — | — |
| Nov 15, 2018 | CO | TOW | 0 | 0 | — | — | — | — |
| Sep 4, 2018 | CO | TOW | 0 | 0 | — | — | — | — |
| Jul 27, 2018 | TX | INJURY | 0 | 1 | — | — | — | — |
| Mar 3, 2018 | TX | FATAL | 1 | 0 | — | — | — | — |
| Nov 18, 2015 | PA | INJURY | 0 | 1 | — | — | — | — |
| Jul 21, 2015 | OH | INJURY | 0 | 1 | — | — | — | — |
| Feb 27, 2015 | TX | TOW | 0 | 0 | — | — | — | — |
| Feb 15, 2015 | AR | TOW | 0 | 0 | — | — | — | — |
| Sep 26, 2014 | TX | TOW | 0 | 0 | — | — | — | — |
| Jul 27, 2014 | TX | INJURY | 0 | 1 | — | — | — | — |
| Feb 19, 2014 | WY | TOW | 0 | 0 | — | — | — | — |
| Feb 1, 2013 | WY | INJURY | 0 | 1 | — | — | — | — |
| Apr 6, 2012 | AR | TOW | 0 | 0 | — | — | — | — |
| Jan 10, 2012 | AR | INJURY | 0 | 1 | — | — | — | — |
| Feb 7, 2011 | WY | TOW | 0 | 0 | — | — | — | — |
| Oct 24, 2008 | MT | INJURY | 0 | 1 | — | — | — | — |
Compliance Timeline
25 events merged from authority, insurance, enforcement, OOS, crash, MCS-150, and safety rating records