CALFRAC WELL SERVICES CORP
USDOT 980037
Active, interstate carrier, large fleet (577 power units) — no FMCSA safety rating on record (common).
Vetting summary
At a glance
- Out-of-service rate21.3% vs 19.1% national avg
- Crashes (24 months)1 reported — involvement does not imply fault
These signals summarize the records shown below — they are a starting point for your own checks, not a judgment of the carrier.
Registration
Carrier identity
| USDOT Number | 980037 |
|---|---|
| MC Number | MC-418195 |
| Legal Name | CALFRAC WELL SERVICES CORP |
| DBA Name | — |
| Entity Type | — |
| Phone | 3032932931 |
| Address | 707 17 STREET SUITE 2950, Denver, CO, 80202 |
Status
Authority & safety
| Operating Status | Active |
|---|---|
| Operation Type | Interstate |
| Safety Rating | None on record — most carriers have not received a formal FMCSA safety rating. |
| Hazmat Flag | true |
Safety ratings: S = Satisfactory, C = Conditional, U = Unsatisfactory. A carrier with no rating has not been through a full FMCSA compliance review — this is common and not itself a red flag.
Our scoring
Safety scores
| Unsafe Driving | 78 / 100 |
|---|---|
| Hours-of-Service Compliance | 86 / 100 |
| Driver Fitness | 87 / 100 |
| Controlled Substances & Alcohol | 0 / 100 |
| Vehicle Maintenance | 77 / 100 |
Scores are 0-100 rankings computed by us from public FMCSA inspection measures; higher = worse relative to peers. Not official CSA/BASIC percentiles. How these scores are computed.
Safety events
Inspections & crashes (last 24 months)
| Inspections | 108 |
|---|---|
| Out-of-Service Rate | 21.3% vs 19.1% national average |
| Crashes | 1 total (0 fatal, 0 with injuries, 1 towaway) |
- 2025-09-02 — OH — towaway
- 2024-02-08 — IN — towaway
- 2024-01-21 — ND — towaway
Most frequent violation categories: 16 (36), 47 (12), 20 (9).
Crash involvement does not imply fault. FMCSA crash records list all reportable crashes involving a carrier, regardless of who caused them.
Equipment
Fleet & operations
| Power Units (trucks) | 577 |
|---|---|
| Drivers | 400 |
| Recent Annual Mileage | 2,980,718 |
| Last MCS-150 Filing | 23-DEC-25 |
CALFRAC WELL SERVICES CORP operates 577 power units — a larger fleet than 100% of carriers registered in CO.
Nearby
Other carriers in Denver, CO
- RYDER TRS INC — USDOT 663122, 32001 power units
- COLORADO DEPARTMENT OF TRANSPORTATION — USDOT 927955, 1556 power units
- DENVER SCHOOL DISTRICT 1 — USDOT 995263, 650 power units
- SANJEL USA INC — USDOT 788143, 624 power units
- WASTE CONNECTIONS OF COLORADO INC — USDOT 834420, 480 power units
Browse all carriers in Denver, CO or all CO carriers.