MONTANA FRONTIER SANDSTONE LLC

USDOT 2927162 • 3610 HWY 87 S, ROUNDUP, MT, 59072

ACTIVE

Authority:None on file

Insurance:None on file

BOC-3:Not on file

Safety Rating:Not rated

MCS-150:Never updated

OOS Orders:None

Overview

Company profile from FMCSA Census File

USDOT

2,927,162

Status

ACTIVE

Operation

Intrastate (Hazmat)

State

Montana

Phone

4063238880

[email protected]

Power Units (MCS-150)

Drivers (MCS-150)

MCS-150 Mileage

26,000

Physical Address

3610 HWY 87 S, ROUNDUP, MT, 59072

Mailing Address

PO BOX 420, ROUNDUP, MT, 59072

Contact

Phone: 4063238880

Email: [email protected]

Risk Signals1 flagged

MEDIUM

Elevated vehicle OOS rate: 62.5%

National average is 23.4%. This carrier's vehicle OOS rate is 39.1 percentage points above average.

Signals are auto-detected from FMCSA public records. This is not a regulatory determination.

Authority & Insurance

Operating authority, insurance filings, and BOC-3 status

Active Authority

Revoked / Inactive

Authority Types

Insurance Policies

None on file

BOC-3 Filing

Not on file

Operating Authority

fmcsa-authhistApr 5, 2026

No records found

No insurance filings found for this carrier in FMCSA records.

Check FMCSA SAFER for current insurance status

Safety & Inspections

SMS BASIC scores, inspection history, and out-of-service rates

SMS BASIC Scores

Hours of Service

N/A

Unsafe Driving

N/A

Higher percentile = worse safety performance relative to peers. Scores at or above 75% trigger FMCSA alerts.

Inspections

Violations

5 OOS

Vehicle OOS %

62.5%

Above nat'l avg (23.4%)

Driver OOS %

0.0%

Power Units (MCS-150)

Drivers (MCS-150)

Crash Records

Inspection Activity (24 months)

Monthly inspection counts with OOS months highlighted. Hover bars for details.

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Jan

Feb

Mar

Apr

Clean monthMonth with OOSBased on latest 8 of 8 inspection records

Inspection Activity Map

1 state • 8 inspections

None Low Medium High🚛 Home base

Violation Summary

Total Violations

OOS Inspections

62.5%

OOS Rate

Inspections Reviewed

Individual violation details are not available for this carrier. Showing aggregate statistics from 8 inspection records.

Peer Context

This carrier vs national averages. Lower is better for all metrics.

Vehicle OOS Rate

62.5%vs nat'l 23.4%

+39.1 pts above avg

Driver OOS Rate

0.0%vs nat'l 6.7%

-6.7 pts below avg

Violations / Inspection

4.13vs nat'l 1.80

+2.33 above avg

National averages: vehicle OOS 23.4%, driver OOS 6.7%, violations per inspection ~1.8. Based on FMCSA MCSAP program data.

Inspection History (8 inspections)

fmcsa-inspectionsApr 5, 2026

Inspection History (8 inspections)
Date	Report #	Station	State	Level	Vehicle	Violations	Top Codes	OOS
Dec 16, 2025	86637929	ROUNDUP MT	MT	Level 5	KENWORTH STRAIGHT TRUCK	2	Details unavailable	Yes
Nov 21, 2025	86390247	BILLINGS MT	MT	Level 1	KENWORTH TRUCK TRACTOR	16	Details unavailable	Yes
Mar 11, 2025	84128324	BILLINGS MT	MT	Level 2	UNPUBLISHE SEMI-TRAILER	5	Details unavailable	Yes
Jan 16, 2024	80612067	BOZEMAN MT	MT	Level 3	—	0	—	No
Oct 16, 2023	79935032	HARLOWTON	MT	Level 2	—	2	Details unavailable	No
Aug 21, 2023	79474706	HARLOWTON	MT	Level 2	—	2	Details unavailable	Yes
Aug 18, 2023	79460029	HARLOWTON	MT	Level 3	—	2	Details unavailable	No
Apr 14, 2023	78366561	HARLOWTON	MT	Level 2	—	4	Details unavailable	Yes