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3 CORNERS OILFIELD SERVICES LLC
DBA: 3 Corners Oilfield Services
Platteville, CO
CarrierChk vetting signal
No flags raised
Authority, insurance, safety rating, crash records and out-of-service rates checked
FMCSA status: Active & Authorized · DOT 3146372 · MC 1037437
No Safety Rating
Active 7 yrs, 5 mo
Broker Vetting Summary
Key signals from current FMCSA records
Authority
Active
MC-1037437 · Common carrier
Insurance
On File
Starr Indemnity & Liability Insurance Company
Safety
Not Rated
2 inspections on record
✓ No risk flags found on authority or insurance records
Vetting notes
- Operating authority active for 7 yrs, 5 mo
- Insurance on file: $750,000
- 2 FMCSA inspections on record
Authority & Compliance
Authority, insurance and required filings
Operating Authority
MC1037437
Common Carrier
Insurance on File
STARR INDEMNITY & LIABILITY INSURANCE COMPANY
BI&PD · $750,000 · Policy 1000679737261
Required Filings
Liability (BIPD)
$750,000
Company Information
Registration, contact and cargo details
FMCSA Registration
DOT Number
3146372
MC Number
MC-1037437
Safety Rating
Not Rated
Operation Classification
Authorized for hire, Private (property)
MCS-150 Filed
February 3, 2025
FMCSA Registration
June 8, 2018
Authority Granted
June 3, 2019
Annual Mileage
62,258 mi (2024)
Contact Information
Address
100 Front St, Platteville, CO 80651
Phone
Email
Website
Owner / Officer
Michael Herman
Officer 2
Austin Peitz
Cargo Types
Machinery/Large ObjectsLiquids/GasesOilfield EquipmentUtility Equipment
Safety Snapshot
Out-of-service rates, violations and crashes
Safety & Inspection Summary
Total Inspections
2
Driver Inspections
1
Vehicle Inspections
2
Out-of-Service Violations
2
Violations by Category
Vehicle Maintenance4
Unsafe Driving1
Hours of Service0
OOS Rates vs. National Average
Inspection Trend by Year
2026
Violation Rate by Category
Share of roadside inspections in FMCSA's rolling 24-month window that found a violation in each category. The individual violations are listed under each inspection in Inspection Details below. None of this is the basis of the safety rating, which comes from an on-site compliance review.
Vehicle Maintenance
2 of 2 inspections
Unsafe Driving
1 of 2 inspections
Hours of Service
0 of 2 inspections
Driver Fitness
0 of 2 inspections
Controlled Substances
0 of 2 inspections
Fleet & Operating Areas
Observed roadside activity and equipment
Where This Carrier Operates
States where this carrier's roadside inspections were recorded
FewerMore
CO2
Fleet & Equipment (3)
Vehicles identified in this carrier's inspection history. Year, make, model and equipment type are decoded from the VIN.
Power units
~1
of 8 reported to FMCSA
Trailers
~2
seen at inspection
Units on record
| Vehicle | Type | VIN | Inspections | With OOS |
|---|---|---|---|---|
| 2017 Gmc Sierra | Pickup · Class 3 | 1GT42VCY3HF162420 | 2 | 2 |
| 2016 Pj | Car Hauler · 30 ft | 4P5C83021G1242296 | 1 | 1 |
| 2016 Pj | Car Hauler · 30 ft | 4P5C8302XG1242961 | 1 | 1 |
A vehicle appearing here was recorded in an inspection — it is not proof the carrier still operates it today.
Inspection Details
Each roadside inspection with its violations
Inspection Records (2)
| Date | Report # | Location | Level | Viol | OOS | Shipper | Unit Type | Make | VIN | License |
|---|---|---|---|---|---|---|---|---|---|---|
| April 30, 2026 | 1644951110 | AULT CO | II | 4 | 1 | — | Straight Truck Semi-trailer |
GMC PJ |
1GT42VCY3HF162420 4P5C83021G1242296 |
CO BRN587 CO 767SQY |
| 396.5-HL | OOSHubs - Leaking hub | Wheels Studs Clamps Etc. | ||||||||
| 392.2-SLLSR | State/Local Laws - State registration/tag violation | |||||||||
| 393.9A-LIL | Lighting - Identification lamp(s) inoperative | Clearance Identification Lamps/Other | ||||||||
| 392.16B-DPASS | Driver - Failed to require passenger(s) (not a co-driver) to use seat belt while operating a property-carrying CMV. | Seat Belt | ||||||||
| February 21, 2026 | M000160092 | AULT CO | I | 2 | 1 | 3 CORNERS OILFIELD SERVICES LLC | Straight Truck Semi-trailer |
GMC PJ |
1GT42VCY3HF162420 4P5C8302XG1242961 |
CO BRN587 CO DIL769 |
| 393.43D-B | OOSBrake - Missing or inoperable breakaway braking system on a trailer(s) or converter dolly | Brakes All Others | ||||||||
| 396.17C-PI | Operating a CMV without documentation of a periodic inspection | Inspection Reports | ||||||||
History & Filings
Authority, insurance and process-agent records
Authority History
| Date | Status | Type |
|---|---|---|
| February 17, 2026 | DISCONTINUED REVOCATION | Common |
| February 5, 2026 | INVOLUNTARY REVOCATION | Common |
| June 3, 2019 | GRANTED | Common Carrier |
Insurance & Revocation Filings
| Date | Type | Status |
|---|---|---|
| January 28, 2026 | BI&PD Primary/Excess | On file |
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Data sourced from FMCSA MCMIS via Socrata. Record last updated: November 2, 2026.
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