Carrierintel
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REX LEE SIEMER TRUCKING LLC

Carrierintel Safety Score: 38/100. 18 inspection violations in 12 months. Last inspected Aug 2026.

DOT 637791MC 384420ActiveMotor CarrierInterstateGREAT WEST CASUALTY CO.MERCER, MO

COMPANY

Authority since
2000-06-05
MCS-150
2026-02-18 · 879,684 mi (2024)
Fleet
17 units · 20 trailers · 9 drivers
Annual mileage (VMT)
879,684 mi (2024)

ADDRESS

Physical
14603 US HWY 65
MERCER, MO 64661-9705
Mailing
Same as physical

CONTACT

Phone
6603824665
Email
rsiemer@grm.net

OFFICERS

Primary Officer
DONA SIEMER
Title
OWNER

OPERATION & CARGO

Operation classification
Authorized For Hire
Specialty
Refrigerated / Produce
Cargo types
18
General FreightMetal: Sheets, Coils, RollsLogs, Poles, Beams, LumberBuilding MaterialsMachinery, Large ObjectsFresh ProduceLivestockGrain, Feed, HayMeatChemicalsCommodities Dry BulkRefrigerated FoodBeveragesPaper ProductsUtilityFarm SuppliesConstructionOther: WATER
Self-reported by the company on its latest MCS-150 filing (FMCSA census). Reflects what the carrier is authorized and equipped to haul, not actual recent loads. Specialty is our summary of the declared cargo mix.
AUTHORITY
316 mo
Active authority
INSURANCE
1 active
GREAT WEST CASUALTY CO.
RISK GRADE
Elevated Risk
3 risk factors · 2 strengths
OOS RATE
23.8%
5 / 21 inspections

Carrierintel Safety Score

Rolling 12-month heuristic based on inspections, OOS, violations, crashes & fatalities. Not the official FMCSA SMS score.

38
out of 100
Needs Attention
Markers: OOS inspection Crash Fatality

Fleet vs Reality

last 12 months · power-unit VINs from roadside inspections
Declared (MCS-150)
17 power units
Unique power units seen
5
+ 7 trailer VINs
Inspections
10
Discrepancy
0.3x

Elevated Risk

3 risk factors · 2 strengths · 6 data points

SAFETY PERFORMANCE

Crash Record
19 crashes · 1 fatal · 5 with injuries · 19 tow-away
Clean Inspection Rate
76% — 16 clean of 21 inspections
Out-of-Service Rate
23.8% — driver OOS 3 insp., vehicle OOS 2 insp.

COMPLIANCE & AUTHORITY

USDOT Registration
Status: Active
Operating Authority
Active: Motor Carrier
Out-of-service orders
None on record
Authority Events
7 historical event(s) on file
MCS-150 Filing
Last filed 2026-02-18

INSURANCE

Active Coverage
1 policy(ies) on file · total max coverage $1,000,000

SUMMARY

Severe OOS rate 31% (last 24 mo)
5.9 crashes per 100 trucks/yr
2.0 violations per inspection
Active insurance on file
Coverage $1.0M

INDUSTRY REPORTS

  • ELD Tampering — Carriers cited for ELD tampering under 49 CFR § 395.8(e), by carrier and state.
  • Top Violations — The ten most-cited FMCSA violation codes of the last 30 days.
  • Phantom Fleets — Declared power units against the vehicles seen at roadside inspections.
  • English Proficiency — Carriers whose drivers were cited under 49 CFR § 391.11(b)(2), by carrier and state.
  • Methodology — Where the data comes from and how the Safety Score and Risk Grade are built.

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