Carrier profile · USDOT 437462 · Updated Aug 20, 2026

Donaldson Bros Ready Mix Inc

35 power unitsavg 17.4 yrLocal · 1 statesHAMILTON, MT87/100

AUTHORITY STATUS UNKNOWN

Observed fleet · trailing 24 mo daily

35Power units

5 observed · MCS-150

—Trailers seen

None observed · 24 mo

17.4Avg age (yr)

1999–2022 · vPIC

Call dispatch(406) 363-3600 Email dispatchmandie@donaldsonbros.com

Click to see how we scored it

Load decision · FMCSA snapshot · Aug 20, 2026

Clear to load

Active authority and a clean federal record. No blocking issues found.

Watch · 2

Vehicle out-of-service rate above average33.3% vs the 22.26% national average.Multiple injury crashes3 crashes involving injuries are on record.

In good standing · 1

Established 36 yearsOperating authority has been on file since 1991.

USDOT registration

yr registered

Authority not on file

Insurance (BIPD)— unknown

No filing on record

Vehicle OOS · 24-mo33.3%

▲ 22.26% nat'l

Crashes · fatal

1 in 24 mo

USDOT registration

yr registered

Authority not on file

Insurance (BIPD)— unknown

No filing on record

Vehicle OOS · 24-mo33.3%

▲ 22.26% nat'l

Crashes · fatal

1 in 24 mo

Vektor intelligence · beyond the federal recordProprietary signals computed from VIN-decoded inspections & daily FMCSA snapshots

Fleet typeIdentity

Small fleet

35 power units. Brokers price each fleet type apart.

Fleet age vs peersOlder

17.4 yr

Model years 1999–2022 · peer benchmark unavailable.

Identity stabilityStable

35 yr unchanged

Same registration since 1991 — no chameleon / reincarnation signal.

Safety

6 inspections · 24 mo · vs national benchmarks

Out-of-service rate· 24-mo cumulative · vs national

Vehicle OOS 33.3%24-mo cumulative

050%nat'l 22.26%

Driver OOS 0.0%24-mo cumulative

030%nat'l 6.67%

Every inspection in the window pooled — 3 vehicle and 6 driver inspections over 24 months.

Vehicle OOS rate· vehicle OOS · vehicle-level inspections · 6-month trailing

33.3% · latest 6-mo window▲ Rising

Share of vehicle-level roadside inspections in each trailing six-month window that resulted in a vehicle out-of-service order. Trending up 33.3 pts across the window. The national vehicle benchmark uses the same metric and is shown on the chart.

Roadside inspection history· 24 charted calendar months · vehicle / driver level · any-OOS overlay

6 inspections in the charted months · busiest month Nov '24 · 1

Vehicle-levelDriver-levelAny OOS

Monthly FMCSA roadside inspections across the 24 charted calendar months. Bars show level-qualified vehicle and driver populations; one inspection can qualify for both. The line shows inspections with any out-of-service result.

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.

Thin coverage

Under-inspected

Expected

Well-monitored

Heavily inspected

≈0.1 / unit·yr

thin signalabundant signal

Few roadside inspections for a 35-unit fleet — the out-of-service and violation signals above rest on a small sample, so weight them cautiously. Thin coverage on a young authority is itself a flag.

Registered power units: 35
Inspections · 24 mo: 6
Annualized: ≈3 / yr
Coverage: ≈0.1 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.

392.2 State/local traffic law violation (speeding, etc.)Unsafe Driving2 · 0 OOS
392.82 Using a hand-held mobile phoneUnsafe Driving1 · 0 OOS
393.75 Tires (defective / underinflated / worn)Vehicle Maintenance1 · 1 OOS
393.95 Emergency equipment (extinguisher, triangles)Vehicle Maintenance1 · 0 OOS

Explore full safety record — inspections, BASICs, crashes

Authority & Insurance

Can they legally + adequately haul your load?

Insurance continuity· insurer · policy · lapses

No insurance filing history on record.

This timeline is the FMCSA filing history, and it ends at the most recent superseded filing — current policy status is not tracked here. Request a certificate of insurance to confirm active coverage before tendering.

Explore full authority & insurance record

Equipment

VIN-decoded · NHTSA vPIC

Capacity· power units = haulable capacity; trailers are towed

Registered power units (MCS-150): 35
Observed power (24 mo): 5
Trailers (towed): 0

Capacity is power units only — trailers are towed equipment and are never summed into a fleet-size figure.

Fleet age· model years · decoded VINs

17.4 yr

Average age

2022

Newest model yr

1999

Oldest model yr

40.0%

VINs decoded

Explore full fleet — VIN roster, equipment mix, age distribution

Operations & Lanes

Revealed by inspection density across 1 states · 24 mo

Operating footprint· revealed by roadside-inspection geography

Operating radiusLocal

revealed

States observed

US states

Inspections · 24 mo

MT busiest

Inspection density by state· each tile = a state · shade = inspections, last 24 mo

Home base

HAMILTON, MT

477 HWY 93 NORTH

Top corridor

MT 6

Density

fewermore

Shade = roadside inspections, last 24 mo.

See the full operating map — state density, top lanes

Network & Fraud

Affiliated entities & reincarnation signals · for review, not a verdict

No shared-VIN flow in the last 12 months

None of this carrier's trucks were inspected under another USDOT in the last 12 months — any shared equipment is historical, not active.

Show all-time history (2 trucks · 1 carriers)

Across all inspections on record: USDOT 474284

Shares a company officer with other carriers

charles donaldson — 5 carriers: USDOT 1369444 USDOT 2183621 USDOT 2296508 USDOT 3997011

Capacity consistency· registered vs roadside-observed power units

Registered (MCS-150)

Observed (24 mo)

Shared w/ other carriers

Registered capacity materially exceeds what is observed roadside — the MCS-150 may be stale or the fleet under-utilized.

Explore the carrier network & VIN cross-links

Identity & Federal

FMCSA census + L&I dossier

Location

Physical address: 477 HWY 93 NORTH, HAMILTON, MT, 59840
Operation: Intrastate (Non-Hazmat)

Contact

Phone: (406) 363-3600
Fax: (406) 363-7260
Email: mandie@donaldsonbros.com
Web domain: donaldsonbros.com

Registration

Officers: Cathy Donaldson · Charles Donaldson
USDOT / docket: 437462
First registered: Feb 26, 1991
Last MCS-150: Feb 16, 2026 · 321,233 mi (2025)
FMCSA safety rating: Not rated
D-U-N-S: —

Fleet (self-reported · MCS-150)

Power units

Drivers

CDL drivers

321,233

Annual mileage

Open the full identity & federal record

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.

Open the full federal-record activity feed

Reviews

Verified broker, shipper & driver reviews — moderated

Performance ratings only — never the Vektor risk score

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Verification summaryAuthority, insurance, safety and identity facts for DONALDSON BROS READY MIX INC.

DONALDSON BROS READY MIX INC (USDOT 437462) has a Vektor safety score of 87/100 and a Clear to load verdict, from the carrier's FMCSA record refreshed Aug 20, 2026.

The carrier has an unknown current for-hire authority status because no FMCSA L&I authority row is available as of Aug 20, 2026.

It has an unknown current BIPD insurance status because no FMCSA L&I active-filing snapshot is available as of Aug 20, 2026.

Its vehicle out-of-service rate was 33.3% over the last 24 months, versus the 22.26% CVSA national average, from FMCSA roadside-inspection data refreshed Aug 20, 2026.

The carrier received 6 roadside inspections in the last 24 months — 3 vehicle-level and 6 driver-level — across 1 state, according to FMCSA roadside-inspection data refreshed Aug 20, 2026.

The carrier has 1 reportable crash in the last 24 months and 0 fatal crashes across the full FMCSA crash record available as of Aug 20, 2026.

It reports 35 power units and 22 drivers in its most recent MCS-150 filing dated Feb 16, 2026.

It has no FMCSA-assigned safety rating in the federal record refreshed Aug 20, 2026.

Frequently asked

What is DONALDSON BROS READY MIX INC's USDOT number?

DONALDSON BROS READY MIX INC's USDOT number is 437462.

Is DONALDSON BROS READY MIX INC authorized to operate?

As of Aug 20, 2026, DONALDSON BROS READY MIX INC is active in the FMCSA register.

What is DONALDSON BROS READY MIX INC's safety record?

DONALDSON BROS READY MIX INC has a 33.3% vehicle out-of-service rate (national average 22.26%) across 13 roadside inspections, with 1 reportable crash in the last 24 months, and is not currently rated by FMCSA. Vektor's computed risk score is 87/100 (tier: clear).

How big is DONALDSON BROS READY MIX INC's fleet?

DONALDSON BROS READY MIX INC operates 35 power units and 22 drivers per its most recent MCS-150 filing.

Where is DONALDSON BROS READY MIX INC based?

DONALDSON BROS READY MIX INC is based in HAMILTON, MT, with roadside inspections recorded across 1 state.

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