Calfrac Well Services Corp
Calfrac Well Services Corp's DOT number is USDOT 980037, MC number MC-418195.
Needs attention
2 items to check
Based in
Denver, CO
Power units
577
Drivers
400
Operation
Interstate · hazmat
Watch Calfrac Well Services Corp for free
Next MCS-150 due: Jul 31, 2027
We'll email a reminder before it's due, and the same day this carrier's operating status, authority, safety rating or roadside inspections change.
Compliance check
From the FMCSA census and inspection files, checked Oct 19, 2026.
USDOT number status
OKActive in the FMCSA census.
MCS-150 biennial update
OKNext due Jul 31, 2027. Last filed Jul 16, 2026.
Operating authority (MC-418195)
Action neededAuthority is not active. For-hire interstate loads need active authority.
Safety rating
InfoNot rated. Most carriers are unrated until a compliance review.
Out-of-service rate (24 months)
CheckVehicle 30.6% vs 22.26% national, driver 0.9% vs 6.67% national, across 107 inspections.
UCR registration 2027
InfoInterstate carriers must register with UCR every year. 2027 registration is open now. Estimated fee for 577 power units: $5,548 (bracket 5).
Roadside inspections, last 24 months
| Type | Inspections | Out of service | OOS rate | National avg |
|---|---|---|---|---|
| Vehicle | 72 | 22 | 30.6% | 22.26% |
| Driver | 107 | 1 | 0.9% | 6.67% |
107 inspections and 120 violations since Oct 19, 2024. Last inspection Oct 5, 2026. National averages are FMCSA-published approximations.
Registration details
- Legal name
- Calfrac Well Services Corp
- DBA
- -
- Classification
- private property
- CDL drivers
- 400
- MCS-150 last filed
- Jul 16, 2026
- Reported mileage
- 2,931,228 (2025)
- Added to FMCSA
- Sep 25, 2001
- Safety rating
- Not rated
Source: FMCSA Motor Carrier Census and Vehicle Inspection File (data.transportation.gov), public records. Contact details are intentionally not shown. MyDotCheck is an independent service and is not affiliated with, endorsed by, or part of the U.S. Department of Transportation or FMCSA. Data comes from public FMCSA datasets and may lag official records by a day or more. Government filings can be made directly with FMCSA at no charge.