Mark Brown
Phone (406) 320-9900Roundup, MT
Find this carrier by: USDOT 903050 · MC 458405 · 406-320-9900 · 4063209900 · Roundup, MT
Carrier information from FMCSA records. See dates and record coverage. How to verify an FMCSA record.
- USDOT
- USDOT903050
- MC
- 458405
- Registered
- 2000 · 26 yrs
- Location
- Roundup, MT
- MCS-150 filed
- Sep 24, 2026
USDOT registration
Active
Registration status; not operating authority
Authority records
1 filing
See recorded statuses and dates below
Insurance records
1 filing
Policy details below; verify current coverage
Safety rating
Satisfactory
Passed an FMCSA review
Overview
The short version and the key numbers.
Mark Brown is an active motor carrier based in Roundup, MT, registered with FMCSA under USDOT 903050 and MC 458405. Phone: (406) 320-9900. It reports 1 power unit and 1 driver on its MCS-150 (Sep 24, 2026). In the last 24 months it had 1 roadside inspection and no reportable crashes in the available records.
USDOT 903050 was first registered with FMCSA on Aug 31, 2000 (26 years ago), and its most recent MCS-150 filing is dated Sep 24, 2026. The last insurance cancellation on file (BIPD/Primary with Great West Casualty Co.) took effect May 16, 2024, recorded as "CANCEL". Its vehicles were inspected 1 time on record, most recently on Mar 27, 2026, most often in WY.
Equipment on record
VIN = decoded from the carrier's vehicles · Inspection = seen at roadside inspections · MCS-150 = filed by the carrier
Dates behind this profile
- MCS-150 filing
- Sep 24, 2026
- Registration record changed
- Oct 24, 2026
- Latest inspection recorded
- Mar 27, 2026
- Latest crash recorded
- Not available
- Latest vehicle observation
- Mar 27, 2026
Each date applies to its own record. A registration change does not mean every filing changed. An inspection or vehicle observation describes that date, not continuous operation today.
USDOT registration and operating authority are different records. A crash entry records involvement, not a finding of fault. Missing information is not a clean safety record.
Company details
Filed identity, officers, contacts and registration details.
Company identity & officers
- Company officer
- Mark Brown
- Legal name
- Mark Brown
- Doing business as
- Mark Brown Enterprises
- Organization
- Individual
- Classification
- Authorized For-Hire · Exempt For-Hire
- Registered as
- Motor Carrier
Registration & filings
- USDOT number
- 903050
- Docket numbers
- MC 458405 (active)
- Registered
- Aug 31, 2000 (26 yrs)
- Last MCS-150
- Sep 24, 2026
- Usual MCS-150 schedule
- October 2027 (see temporary relief below)
- Operation
- Interstate
- Hazmat, as filed
- Yes
- Passenger carrier, as filed
- Not available
FMCSA currently provides additional time for biennial updates due on or after June 1, 2026 and suspends USDOT inactivation for those missed updates. The usual schedule above does not establish a violation. Read our update guide and the cited FMCSA notice (guidance checked October 20, 2026).
Carriers in Roundup, MT
- USDOT registrations in Roundup
- 157
- Currently active
- 64 (41%)
- One-truck operations
- 98 (62%)
- With for-hire authority
- 68 (43%)
- Registered in the last 12 months
- 8
From FMCSA census records as of Nov 14, 2026. This carrier reports 1 power unit against a local average of 2.2.
Find this carrier by
- USDOT
- 903050
- Docket numbers
- MC 458405
- Phone
- (406) 320-9900406-320-99004063209900
- Fax
- (406) 323-4437406-323-44374063234437
- marbroent@yahoo.com
- Officers
- Mark Brown
- Legal name
- Mark Brown
- DBA
- Mark Brown Enterprises
- Address
- 35 Hampton Road, Roundup, MT 59072
- VINs inspected under this USDOT
- 4WW5482A7D6620070, 1XKWDB9X4YJ846197
Available registration and contact identifiers. Vehicle identifiers below are a recent sample; open a VIN or plate to see its dated records.
Legitimacy check
A quick screen from public records. A flag is a reason to verify, not proof of wrongdoing.
- Pass: Not on the U.S. sanctions list
Name does not match the Treasury OFAC list.
- Pass: USDOT registration is active
FMCSA lists USDOT 903050 as active.
- Check: Verify current operating authority
Stored legacy record lists Contract carrier as active; confirm the current status in Motus.
- Check: Verify current insurance
Stored BIPD amount: $750,000. Check Motus filings and confirm coverage with the insurer.
- Pass: No federal out-of-service orders
None on record for this USDOT.
- Pass: No prior revocation linked
No earlier revoked USDOT is linked to this one.
Connected companies
Other USDOT numbers that share an officer, phone or address with this carrier. A match is a lead to check, not proof.
More than 25 other USDOT registrations list the same officer, so they are not listed one by one.
Matched on FMCSA filings: company officer names, phone and physical address. Large fleets and shared office buildings can match by chance.
Authority & insurance
Stored filing details and guidance for checking current status.
FMCSA filing records
Authority, insurance and notice records can include earlier filings. Read each recorded status and effective date; a filing alone does not confirm current authority or insurance coverage. Missing records do not establish unauthorized operation or missing insurance.
Amounts are shown exactly as filed, without scaling or currency conversion. Confirm coverage and amounts with the insurer.
Operating authority
1 available record · FMCSA release date: Nov 13, 2026. The release date applies to this collection, not the effective date of every filing.
MC458405 · Recorded status: Active — view record
- Liability insurance amount on file
- 1000000.000000000000000000
- Bond on file
- No (N)
- Bond required
- No (N)
- Business city
- ROUNDUP
- Business country code
- US
- Business state code
- MT
- Business street / PO box
- 35 HAMPTON ROAD
- Business telephone
- 4063209900
- Business mail deliverability code
- Y
- Business postal code
- 59072
- Cargo filing on file
- No (N)
- Cargo filing required
- No (N)
- Doing business as
- MARK BROWN ENTERPRISES
- Docket number
- MC458405
- Legal name
- MARK BROWN
- Mailing city
- ROUNDUP
- Mailing country code
- US
- Mailing state code
- MT
- Mailing street / PO box
- BOX 767
- Mailing mail deliverability code
- Y
- Mailing postal code
- 59072
- Required insurance amount, as filed
- 1000000.000000000000000000
- Recorded authority status
- Active
- Authority type
- Motor Carrier of Property (Except Household Goods)
- USDOT number
- 903050
Insurance filings
1 available record · FMCSA release date: Nov 13, 2026. The release date applies to this collection, not the effective date of every filing.
MC458405 · Insurer: UNITED FINANCIAL CASUALTY COMPANY · Policy: CA02130525 · Effective Aug 26, 2026 — view record
- Docket number
- MC458405
- Effective date
- Aug 26, 2026 (filed: 20260826)
- Insurance class
- Primary (P)
- Insurance form
- BMC-91X
- Insurance type
- Liability (BIPD) (1)
- Insurance company
- UNITED FINANCIAL CASUALTY COMPANY
- Maximum coverage amount, as filed
- 1000000.00
- Policy number
- CA02130525
- Received by FMCSA
- Aug 26, 2026 (filed: 20260826)
- Underlying limit, as filed
- 0.00
- USDOT number
- 903050
Suspension and revocation notices
0 available records · FMCSA release date: Nov 13, 2026. The release date applies to this collection, not the effective date of every filing.
No matching filings available here. This does not establish that no filing exists.
Insurance history
1 available record · FMCSA release date: Nov 13, 2026. The release date applies to this collection, not the effective date of every filing.
MC458405 · Insurer: UNITED FINANCIAL CASUALTY COMPANY · Policy: CA02130525 · Effective May 17, 2024 — view record
- Cancellation effective date
- Aug 26, 2026 (filed: 20260826)
- Docket number
- MC458405
- Effective date
- May 17, 2024 (filed: 20240517)
- Reason filing ended or changed
- TERM/REPL
- Insurance class
- Primary (P)
- Insurance form
- BMC-91X
- Insurance type
- Liability (BIPD) (1)
- Insurance description
- BIPD
- Insurance company
- UNITED FINANCIAL CASUALTY COMPANY
- Maximum coverage amount, as filed
- 750000.00
- Required insurance amount, as filed
- 1000000.000000000000000000
- Policy number
- CA02130525
- Underlying limit, as filed
- 0.00
- USDOT number
- 903050
Earlier FMCSA filing records
These records may omit later filings. Their presence does not establish current authority or coverage. Missing records do not establish that a carrier is unauthorized or uninsured. Check current records in FMCSA Motus, then confirm coverage directly with the insurer. Follow the verification guide and its FMCSA sources. Guidance checked October 20, 2026.
Stored operating authority
| Authority type | Recorded status | Application pending | Revocation pending |
|---|---|---|---|
| Common | None | None | None |
| Contract | Active | None | None |
| Broker | None | None | None |
Recorded categories and dockets
- MC 458405
- Active
Stored insurance filing fields
- Liability (BIPD)
- $750,000
- Cargo
- Not on file
- Bond / trust
- Not on file
Insurance filings
| Type | Insurer | Form | Policy | Coverage | Effective |
|---|---|---|---|---|---|
| Liability (BIPD) | United Financial Casualty Company | 91X | CA02130525 | $750,000 | May 17, 2024 |
Insurance history
| Type | Insurer | Policy | Effective | Cancelled | How it ended |
|---|---|---|---|---|---|
| BIPD/Primary | Great West Casualty Co. | GWP14060A | May 16, 2003 | May 16, 2024 | Cancelled (CANCEL) |
"On file" means FMCSA received the filing. It does not confirm the policy is active today.
Safety
FMCSA's rating and how this carrier compares with the national average.
Safety rating
- Rating
- Satisfactory
- Rated on
- Sep 21, 2026
- Last review
- Aug 27, 2026
- Driver inspections (24 mo)
- 1 (0 out of service)
Out-of-service rates (24 months)
FMCSA BASICs
| Category | Percentile | Measure | Inspections with violation | Acute / critical | Alert |
|---|---|---|---|---|---|
| Unsafe Driving | Not public | 0 | 0 | No | Not available |
| Hours-of-Service | Not public | 0 | 0 | No | Not available |
| Driver Fitness | Not public | 0 | 0 | No | Not available |
| Controlled Substances | Not public | 0 | 0 | No | Not available |
| Vehicle Maintenance | Not public | 0 | 0 | No | Not available |
Percentile: 0 is best, 100 is worst. FMCSA flags an alert above its threshold (65–80% depending on category). Some property-carrier percentiles are not public.
Most-cited violations, in plain English
| Code | Times | Out of service |
|---|---|---|
| 395.8D11-HOSF | 1 | 0 |
| 395.8D2-HOSF | 1 | 0 |
| 395.8D3-HOSF | 1 | 0 |
| 395.8F7-HOSM | 1 | 0 |
| 396.17C-PI | 1 | 0 |
Inspections & crashes
Roadside inspections and reportable crashes in the last 24 months.
Inspection, violation and out-of-service counts: FMCSA 24-month inspection record, as of Nov 14, 2026.
Most recent
- Last inspection
- Mar 27, 2026
Latest inspections
| Date | Inspection ID | State | Location | Level | Driver viol. / OOS | Vehicle viol. / OOS | Violations |
|---|---|---|---|---|---|---|---|
| Mar 27, 2026 | 87454017 | WY | Frannie Poe | Driver only (Level 3) | 4 / 0 | 1 / 0 | 5 violations
|
Latest crashes
A roadside out-of-service finding applies to the inspected driver or vehicle; it is different from a federal order against the carrier. Crash involvement does not determine fault or preventability. Counts cover the stated reporting period, not the carrier’s entire history.
Where its vehicles were inspected
| State | Inspections | With OOS |
|---|---|---|
| WY · Wyoming | 1 | 0 |
The states where FMCSA recorded roadside inspections for this USDOT. A rough picture of where the fleet runs, not a list of lanes.
Fleet & drivers
Filed fleet and driver counts, cargo types, and vehicles observed at inspections.
Vehicles filed on the MCS-150
| Vehicle | Owned | Term leased | Trip leased |
|---|---|---|---|
| Tractors | 1 | 0 | 0 |
| Trailers | 3 | 0 | 0 |
Drivers
- Total drivers
- 1
- CDL drivers
- 1
- Interstate, over 100 mi
- 1
- Interstate, within 100 mi
- 0
- Intrastate, over 100 mi
- 0
- Intrastate, within 100 mi
- 0
- Leased drivers / month
- Not available
Operations
- Power units
- 1
- Trucks
- 1
- Buses
- 0
- Annual miles
- 33,000 (2025)
- Seen at inspections
- 1 truck · 1 trailer
Vehicles inspected under this USDOT
| VIN | Year | Make & model | Type | Plate | Inspections | Last seen | Violations / OOS |
|---|---|---|---|---|---|---|---|
| 4WW5482A7D6620070 | 2013 | Wilson Trailer Co. | Semi-Trailer | T47106 MT | 1 | Mar 27, 2026 | 0 / 0 |
| 1XKWDB9X4YJ846197 | 2000 | Kenworth W900 | Truck Tractor | PA29325 MT | 1 | Mar 27, 2026 | 0 / 0 |
Vehicles recorded at roadside inspections under this USDOT (the carrier operated them; this is not a record of ownership). Open a VIN or plate for its dated carrier associations and available history. Plates can change or be reassigned. Vehicle details reflect filed records and available VIN decoding; these observations are not a complete fleet or ownership history.
Equipment evidence
- Tractor-TrailerInspection 1 truck tractor and 1 semi-trailer recorded at roadside inspections (trailer body type not decoded)
Cargo carried, as filed
Changes & history
Dated changes, earlier values and filing history for this registration.
Timeline of this registration
- MCS-150 filing on record.
- Record updated: safety rating Conditional → Satisfactory.
- FMCSA safety rating: Satisfactory.
- Record updated: safety grade D → B.
- First vehicle recorded at a roadside inspection under this USDOT.
- Most recent vehicle recorded at a roadside inspection.
- Earliest roadside inspection on file.
- Most recent roadside inspection on file.
- MCS-150 filing on record.
- Insurance cancelled: BIPD/Primary with Great West Casualty Co. (MC458405) — CANCEL.
- Insurance filed: BIPD/Primary with Great West Casualty Co. (MC458405).
- Registered with FMCSA as USDOT 903050.
Dates come from FMCSA filings and inspection records as filed; a filing date is when FMCSA recorded it, not when an event happened on the road.
Recent changes to the record
| Date | Field | Before | After |
|---|---|---|---|
| Sep 24, 2026 | Safety rating | Conditional | Satisfactory |
| Aug 28, 2026 | Safety grade | D | B |
MCS-150 filings on record
- MCS-150 filed
- MCS-150 filed
Registration
- First registered with FMCSA
- Aug 31, 2000
- Last MCS-150 update
- Sep 24, 2026
Questions & answers
Quick answers, written from this carrier's FMCSA record.
Is Mark Brown an active carrier?
The available FMCSA record lists USDOT 903050 as active. Registration is separate from operating authority and insurance coverage.
What is Mark Brown's USDOT and MC number?
USDOT 903050; docket number MC 458405.
How do I contact Mark Brown?
As filed with FMCSA: phone (406) 320-9900; fax (406) 323-4437; email marbroent@yahoo.com; address 35 Hampton Road, Roundup, MT 59072.
What insurance does this record show for Mark Brown?
The stored legacy record shows $750,000 liability (BIPD). This does not establish current coverage or uninsured status. Check current filings in FMCSA Motus and confirm coverage with the insurer.
What is Mark Brown's safety rating?
Satisfactory, rated Sep 21, 2026.
How many trucks and drivers does Mark Brown have?
Power units: 1; drivers: 1, as filed on its MCS-150 (Sep 24, 2026).
What does Mark Brown haul?
Its FMCSA filing lists these cargo types: general freight, metal/sheet/coil, logs/poles/beams, building materials, machinery (large), fresh produce, oilfield equipment, livestock and 3 more cargo types.
What equipment does Mark Brown operate?
On government records: Tractor-Trailer (1 truck tractor and 1 semi-trailer recorded at roadside inspections (trailer body type not decoded)).
How many inspections and crashes has Mark Brown had?
Inspections: 1; crashes recorded: 0, in the available 24-month records.
What is the usual MCS-150 update schedule for Mark Brown?
The usual USDOT-digit schedule gives October 2027. The latest filing stored here is Sep 24, 2026. FMCSA currently gives extra time for biennial updates due on or after June 1, 2026 and has suspended inactivation for those missed updates. This calculated date is not a finding of noncompliance. Check the linked FMCSA notice for changes.
Reviews
From brokers, shippers and drivers who worked with this carrier.