USDOT 360663

Pioneer Materials West Slope — compliance record

The full vetting file: federal registrations, authority history, insurance, inspections, record changes, and recent coverage — the checks a broker or shipper runs, in one place.

Vetting summary

Inspections

48 on file

Out-of-service

Within normal range vs national averages

Email identity

Company domain, matches website

Federal identity

Registration snapshot

Legal name

Pioneer Materials West Inc

DBA

Pioneer Materials West Slope

Entity type

Carrier

Physical address

7271 S Eagle St, Centennial, CO 80112

Phone

(303) 693-7900

Power units

48

Drivers

60

First on record

Last MCS-150 filing

Hazmat flag

No

Operating authority

Dockets & filings

No L&I dockets on file for this DOT number.

Out-of-service rates

Driver OOS

0.0%

National average ≈ 5.9% · 48 inspections on record

Vehicle OOS

8.3%

National average ≈ 20.9% · 48 inspections on record

Email & web forensics

On-file email

ryan@pioneermaterialswest.com — company domain

Mail host

Self-hosted / other

Domain match

Email domain matches the company website

From the FMCSA on-file contact, public domain registration (RDAP), and live DNS.

Crash record — last 24 months

1

Reportable crashes

1

Tow-aways

0

With injuries

0

With fatalities

Most recent: WY 12/2024 · CO 09/2023 · CO 08/2021 — from the federal crash file; recordable crashes regardless of fault.

Safety record

Inspection history

2026: 82025: 152024: 152023: 10
Level III — Driver-only: 21Level II — Walk-around: 17Level I — Full: 10
DateStateLevel
Jun 25, 2026COLevel III — Driver-only
Jun 24, 2026COLevel III — Driver-only
Jun 11, 2026COLevel III — Driver-only
May 22, 2026COLevel II — Walk-around
Mar 4, 2026COLevel II — Walk-around
Feb 25, 2026COLevel II — Walk-around
Feb 2, 2026COLevel II — Walk-around
Jan 21, 2026COLevel I — Full
Dec 9, 2025COLevel III — Driver-only
Nov 20, 2025WYLevel I — Full
Oct 30, 2025COLevel II — Walk-around
Oct 21, 2025COLevel II — Walk-around
Oct 14, 2025COLevel I — Full
Sep 11, 2025COLevel I — Full
Aug 26, 2025COLevel II — Walk-around
Aug 7, 2025COLevel III — Driver-only
Jul 23, 2025COLevel III — Driver-only
Jul 3, 2025COLevel III — Driver-only
Jul 3, 2025COLevel III — Driver-only
Jun 26, 2025COLevel II — Walk-around
Jun 5, 2025COLevel II — Walk-around
May 7, 2025WYLevel III — Driver-only
Apr 8, 2025COLevel III — Driver-only
Dec 30, 2024WYLevel I — Full
Nov 7, 2024COLevel III — Driver-only
Aug 8, 2024COLevel II — Walk-around
Jul 23, 2024WYLevel II — Walk-around
Jul 10, 2024COLevel III — Driver-only
Jun 26, 2024COLevel II — Walk-around
Jun 10, 2024COLevel III — Driver-only
Jun 10, 2024COLevel III — Driver-only
Apr 15, 2024COLevel I — Full
Mar 21, 2024WYLevel I — Full
Feb 28, 2024COLevel II — Walk-around
Feb 8, 2024COLevel III — Driver-only
Jan 4, 2024COLevel II — Walk-around
Jan 3, 2024COLevel III — Driver-only
Jan 2, 2024COLevel I — Full
Dec 7, 2023COLevel I — Full
Nov 29, 2023COLevel III — Driver-only
Nov 20, 2023SDLevel III — Driver-only
Nov 14, 2023COLevel III — Driver-only
Oct 10, 2023COLevel II — Walk-around
Sep 12, 2023COLevel III — Driver-only
Sep 6, 2023COLevel II — Walk-around
Aug 31, 2023COLevel I — Full
Aug 10, 2023COLevel II — Walk-around
Jul 12, 2023COLevel III — Driver-only

Most recent 48 of 48 inspections on file.

Activity log

Record changes

TenFourHQ re-syncs the federal record daily and logs every field that changes — address moves, fleet-size jumps, authority flips. Sudden changes are a classic fraud tell.

No changes recorded since TenFourHQ began tracking this company.

In the news

Recent coverage

Via Google News — headlines may include similarly-named companies; verify before acting.

Vetting toolkit

Verify it yourself

Sources: FMCSA Motor Carrier Census, Licensing & Insurance, inspection and revocation files at data.transportation.gov (synced daily by TenFourHQ), plus Google News. This page is a research aid, not a safety rating; records shown as published. TenFourHQ is not affiliated with FMCSA.