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FOX UNDERGROUND SERVICES LLC
Aurora, CO
CarrierChk vetting signal
No flags raised
Authority, insurance, safety rating, crash records and out-of-service rates checked
FMCSA status: Active registration · no operating authority · DOT 4442147
Active
No Safety Rating
Broker Vetting Summary
Key signals from current FMCSA records
Authority
No Active Authority
Common carrier
Insurance
Not Found
No coverage amount on file
Safety
Not Rated
4 inspections on record
✓ No risk flags found on authority or insurance records
Vetting notes
- Active FMCSA registration, but no active for-hire operating authority on record
- Registered with FMCSA as a private carrier — not registered to haul other companies' freight for hire
- No active insurance filing found on record
- 4 FMCSA inspections on record
Company Information
Registration, contact and cargo details
FMCSA Registration
DOT Number
4442147
Safety Rating
Not Rated
Operation Classification
Private (property)
MCS-150 Filed
July 22, 2025
FMCSA Registration
July 22, 2025
Annual Mileage
0 mi (0)
Contact Information
Address
5948 Odessa St, Aurora, CO 80019-2235
Phone
Email
Owner / Officer
Cinthia Ramirez
Cargo Types
Building MaterialsMachinery/Large ObjectsUtility EquipmentConstruction MaterialsOther Cargo
Safety Snapshot
Out-of-service rates, violations and crashes
Safety & Inspection Summary
Total Inspections
4
Driver Inspections
3
Vehicle Inspections
3
Out-of-Service Violations
10
Violations by Category
Vehicle Maintenance10
Unsafe Driving0
Hours of Service0
OOS Rates vs. National Average
Inspection Trend by Year
2026
2025
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
3 of 3 inspections
Unsafe Driving
0 of 4 inspections
Hours of Service
0 of 4 inspections
Driver Fitness
4 of 4 inspections
Controlled Substances
0 of 4 inspections
Fleet & Operating Areas
Observed roadside activity and equipment
Where This Carrier Operates
States where this carrier's roadside inspections were recorded
FewerMore
CO4
Fleet & Equipment (8)
Vehicles identified in this carrier's inspection history. Year, make, model and equipment type are decoded from the VIN.
Power units
~4
of 12 reported to FMCSA
Trailers
~4
seen at inspection
Equipment types observed
Chassis / Incomplete
3
Semi-trailer
3
Equipment Trailer
1
Not Applicable
1
Units on record
| Vehicle | Type | VIN | Inspections | With OOS |
|---|---|---|---|---|
| 2022 Mgs Incorparated | Equipment Trailer · 19 ft | 16MBB192XNF085410 | 1 | 1 |
| 2020 Ram 5500 | Chassis / Incomplete · Class 5 | 3C7WRNEL4LG202598 | 1 | 1 |
| 2024 Ram 5500 | Chassis / Incomplete · Class 5 | 3C7WRNFL1RG111490 | 1 | 1 |
| 2014 Ram 5500 | Not Applicable · Class 5 | 3C7WRNFL3EG114823 | 1 | 1 |
| 2019 Ram 5500 | Chassis / Incomplete · Class 5 | 3C7WRNFL7KG577866 | 1 | 1 |
| Unpublishe | Semi-trailer | 7KNP31573RM000166 | 1 | 1 |
| Unpublishe | Semi-trailer | 7KNP31574RM000239 | 1 | 1 |
| Unpublishe | Semi-trailer | 7KNP3157XRM000231 | 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 (4)
| Date | Report # | Location | Level | Viol | OOS | Shipper | Unit Type | Make | VIN | License |
|---|---|---|---|---|---|---|---|---|---|---|
| August 17, 2026 | M000510097 | GREENWOOD VILLAGE CO | I | 7 | 2 | — | Straight Truck Trailer |
RAM MGS INCORPARATED |
3C7WRNFL3EG114823 16MBB192XNF085410 |
CO AHXI51 CO AHXI51 |
| 393.43D-B | OOSBrake - Missing or inoperable breakaway braking system on a trailer(s) or converter dolly | Brakes All Others | ||||||||
| 383.23A2-LCDLN | OOSLicense (CDL) - Operate a CMV and does not possess a valid CDL | License-related: High | ||||||||
| 396.17C-PI | Operating a CMV without documentation of a periodic inspection | Inspection Reports | ||||||||
| 393.9A-LHLI | Lighting - Headlamp(s) - Any inoperative | Lighting | ||||||||
| 392.2-SLLSIV | State/Local Laws - State insurance violation | |||||||||
| 392.2-SLLSR | State/Local Laws - State registration/tag violation | |||||||||
| 392.2-SLLSR | State/Local Laws - State registration/tag violation | |||||||||
| June 25, 2026 | M000900020 | AURORA CO | III | 2 | 2 | — | Truck Tractor Semi-trailer |
RAM UNPUBLISHE |
3C7WRNEL4LG202598 7KNP31573RM000166 |
CO DMZM40 CO DSWJ11 |
| 391.11B2-S | OOSDriver cannot satisfy the English language proficiency requirements of 391.11(b)(2) in accordance with the current corresponding FMCSA enforcement guidance (391.1 | General Driver Qualification | ||||||||
| 383.23A2-LCDLN | OOSLicense (CDL) - Operate a CMV and does not possess a valid CDL | License-related: High | ||||||||
| February 4, 2026 | 0994610890 | TELLURIDE CO | II | 4 | 3 | SELF | Straight Truck Semi-trailer |
RAM UNPUBLISHE |
3C7WRNFL1RG111490 7KNP31574RM000239 |
CO EIKW83 CO EJUT13 |
| 393.43D-B | OOSBrake - Missing or inoperable breakaway braking system on a trailer(s) or converter dolly | Brakes All Others | ||||||||
| 393.43DBMA | OOSBrake - Breakaway not attached to the towing vehicle | Brakes All Others | ||||||||
| 383.51A-LCDLRSWD | OOSLicense (CDL) - A person required to have a CLP or CDL who is disqualified must not drive a CMV | License-related: High | ||||||||
| 396.17C-PI | Operating a CMV without documentation of a periodic inspection | Inspection Reports | ||||||||
| October 28, 2025 | 1081630362 | WATKINS CO | I | 6 | 3 | — | Straight Truck Semi-trailer |
RAM UNPUBLISHE |
3C7WRNFL7KG577866 7KNP3157XRM000231 |
CO AIEP12 CO NONE0 |
| 391.11B2-Q | OOSDriver cannot satisfy the English language proficiency requirements of 391.11(b)(2) in accordance with the current corresponding FMCSA enforcement guidance (391. | General Driver Qualification | ||||||||
| 383.23A2-LCDLN | OOSLicense (CDL) - Operate a CMV and does not possess a valid CDL | License-related: High | ||||||||
| 392.9A2-C | OOSCargo - Vehicle components or dunnage not secured | General Securement | ||||||||
| 393.95F | Emergency Equipment - Stopped vehicle warning devices missing or improper | Emergency Equipment | ||||||||
| 396.17C-PI | Operating a CMV without documentation of a periodic inspection | Inspection Reports | ||||||||
| 396.17C-PI | Operating a CMV without documentation of a periodic inspection | Inspection Reports | ||||||||
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Data sourced from FMCSA MCMIS via Socrata. Record last updated: October 18, 2026.
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