Fleet typeIdentity
Owner-operator
1 power units. Brokers price each fleet type apart.
Carrier profile · USDOT 903050 · MC-458405
MARK BROWN
DBA MARK BROWN ENTERPRISES
1 power unitsavg 19.5 yrLocal · 2 statesROUNDUP, MT
CARRIER ACTIVEMC-458405 ACTIVERATED CONDITIONALHAZMAT
Observed fleet · trailing 24 mo daily
1Power units
1 observed · MCS-150
1Trailers seen
Decoded · vPIC
19.5Avg age (yr)
2000–2013 · vPIC
Click to see how we scored it
Load decision · FMCSA snapshot · 2026-06-13
Clear to load
Active authority and a clean federal record. No blocking issues found.
Active operating authorityInsurance on file
Operating authority2525 yr active
since 2000Insurance (BIPD)On file
FMCSA L&IVehicle OOS · 24mo100.0100.0 %
▲ 22.26% nat'lCrashes · fatal00
clean 24 moVektor intelligence · beyond the federal recordProprietary signals computed from VIN-decoded inspections & daily FMCSA snapshots
Fleet age vs peersOlder
19.5 yr
Model years 2000–2013 · peer benchmark computing.
Identity stabilityStable
25 yr unchanged
Same registration since 2000 — no chameleon / reincarnation signal.
AI readFull read
Is MARK BROWN safe to work with?
Is MARK BROWN safe to load? MARK BROWN (USDOT 903050, MC-458405) is an active owner-operator motor carrier based in ROUNDUP, MT, operating 1 power unit and 1 driver. Operating authority has been active 25 years (past the 24-month broker-confidence threshold). Across 2 roadside inspections, its vehicle out-of-service rate is 100.0% (above the 22.26% national average), with 0 reportable crashes in the last 24 months. FMCSA rates it Conditional. Vektor rates it clear to load (100/100). Source: FMCSA SAFER/MCMIS, last updated 2026-06-13.
FMCSA fields + Vektor analysis · updated 2026-06-13
MBMARK BROWN 100
01
Safety
2 inspections · 24 mo · vs national benchmarks
Out-of-service rate· trailing 24 months vs national benchmark
Vehicle OOS 100.0% (24-mo)1 veh insp · 24-mo · nat'l 22.26%
050%nat'l 22.26%
Driver OOS 0.0% (24-mo)2 drv insp · 24-mo · nat'l 6.67%
030%nat'l 6.67%
Inspection coverage· expected vs observed · the fraud signal
Inspection coverage
How heavily FMCSA inspects this fleet for its size — it tells you how much to trust the safety signals above. Thin coverage on a young authority is a fraud signal nobody else surfaces.
Under-inspected
Expected
Well-monitored
Heavily inspected
≈1.0 / unit·yr
thin signalabundant signal
Within the expected band for a 1-unit fleet — FMCSA has inspected this carrier often enough that the out-of-service and violation signals above are statistically trustworthy.
- Registered power units
- 1
- Inspections · 24 mo
- 2
- Annualized
- ≈1 / yr
- Coverage
- ≈1.0 inspections / unit · yr
Violation themes· decoded · grouped by BASIC
What this carrier actually gets cited for — FMCSA violation codes decoded into plain English, ranked by frequency.
- 395.8 Record of duty status (log / ELD) not current or missingHOS Compliance4
- 393.45 Brake tubing / hose defectsVehicle Maintenance2 · 1 OOS
- 396.17 Periodic (annual) inspectionVehicle Maintenance2
- 393.11 Required lamps/reflectors missingVehicle Maintenance1
- 393.95 Emergency equipment (extinguisher, triangles)Vehicle Maintenance1
02
Authority & insurance
Can they legally + adequately haul your load?
Operating authority· 49 CFR · per type
Operating authority
- Common
- None
- Contract
- Active
- Broker
- None
Insurance & bonds
BIPD / liability (required)Filed with FMCSA
CargoNone
Surety bond (BMC-84)None
Insurance continuity· insurer · policy · lapses
$750k BIPD · 1 insurer · 0 lapsesContinuous
Great West · 03–24
20032024
No BIPD policy is currently in force in the filing history. The authority record may still list one on file — request a COI to confirm current coverage.
03
Equipment & fleet
VIN-decoded · NHTSA vPIC
Capacity· power units = haulable capacity; trailers are towed
- Registered power units (MCS-150)
- 1
- Observed power (24 mo)
- 1
- Trailers (towed)
- 1
Capacity is power units only — trailers are towed equipment and are never summed into a fleet-size figure.
Fleet age· model years · decoded VINs
Average age
2013
Newest model yr
2000
Oldest model yr
VINs decoded
04
Operations & lanes
Revealed by inspection density across 2 states · 24 mo
Operating footprint· revealed by roadside-inspection geography
Operating radiusLocal
revealedStates observed22
US statesInspections · 24 mo22
WY busiestInspection density by state· each tile = a state · shade = inspections, last 24 mo
Home base
ROUNDUP, MT
Top corridor
WY ⇄ MT
Density
fewermore
05
Network & fraud
Affiliated entities & reincarnation signals · for review, not a verdict
Shares a company officer with other carriers
mark brown — 74 carriers: USDOT 372780USDOT 439247USDOT 479862USDOT 485312USDOT 512540USDOT 617829USDOT 674657USDOT 940253
Capacity consistency· registered vs roadside-observed power units
Registered (MCS-150)11
Observed (24 mo)11
Registered and roadside-observed capacity are broadly consistent.
06
Identity & contact
FMCSA census + L&I dossier
Location
- Physical address
- 35 HAMPTON ROAD, ROUNDUP, MT, 59072
- Mailing address
- BOX 767, ROUNDUP, MT, 59072
- Operation
- Interstate· Hazmat
Contact
- Phone
- (406) 320-9900
- Fax
- (406) 323-4437
- marbroent@yahoo.com
Registration
- Officer
- Mark Brown
- USDOT / docket
- 903050 · MC-458405
- First registered
- 08/31/2000
- Last MCS-150
- 08/26/2025 · 49,000 mi (2024)
- FMCSA safety rating
- Conditional · 01/22/2012
- D-U-N-S
- —
Fleet (self-reported · MCS-150)
07
Federal activity
Daily-captured FMCSA licensing & insurance changes — monitored by Vektor
Federal record activity· monitored daily by Vektor
No licensing or insurance changes captured since Vektor began monitoring this carrier (June 2026). Quiet is usually good.
08
Reviews
Verified broker, shipper & driver reviews — moderated
Performance ratings only — never the Vektor risk score
No verified reviews yet
Be the first broker or shipper to rate MARK BROWN. Reviews cover performance only — on-time delivery, payment speed, communication — and never affect the Vektor risk score.
Leave a review09
Frequently asked
What is MARK BROWN's USDOT number?
MARK BROWN's USDOT number is 903050, and its motor carrier number is MC-458405.
Is MARK BROWN authorized to operate?
As of 2026-06-13, MARK BROWN is active in the FMCSA register with common, contract, broker operating authority on file.
What is MARK BROWN's safety record?
MARK BROWN has a 100.0% vehicle out-of-service rate (national average 22.26%) across 2 roadside inspections, with 0 reportable crashes in the last 24 months, and an FMCSA "Conditional" safety rating. Vektor's computed risk score is 100/100 (tier: clear).
How big is MARK BROWN's fleet?
MARK BROWN operates 1 power unit and 1 driver per its most recent MCS-150 filing.
Where is MARK BROWN based?
MARK BROWN is based in ROUNDUP, MT, with roadside inspections recorded across 2 states.