CarrierintelCarrierintel
DC

DIEMER CONSTRUCTION COMPANY LLC

DOT 641361MC 459420ActiveInterstateBITCO GENERAL INSURANCE CORPORATIONTONKAWA, OK

COMPANY

Authority since
2022-05-16
MCS-150
2026-01-27 · 450,936 mi (2025)
Fleet
52 units · — trailers · 25 drivers
Annual mileage (VMT)
450,936 mi (2025)
Owner origin
Western-northern-european
Origin candidates
German 50%

ADDRESS

Physical
14211 S 13TH
TONKAWA, OK 74653
Mailing
Same as physical

CONTACT

Phone
5806283052
Email
diemer@diemerconstruction.com

OFFICERS

Primary Officer
BOB DIEMER
Title
MANAGER
Origin
Western-northern-european

OPERATION & CARGO

Operation classification
Private Property · Authorized For Hire
Specialty
Auto Transport
Cargo types
10
Motor VehiclesBuilding MaterialsMachinery, Large ObjectsLiquids / GasesOilfield EquipmentGrain, Feed, HayCommodities Dry BulkFarm SuppliesConstructionOther: DELETERIOUS SUBSTANCES
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
52 mo
Active authority
INSURANCE
1 active
BITCO GENERAL INSURANCE CORPORATION
RISK GRADE
Minimal Risk
1 risk factors · 3 strengths
OOS RATE
17.4%
4 / 23 inspections

Fleet vs Reality

last 12 months · power-unit VINs from roadside inspections
Checking local VIN index…

Minimal Risk

1 risk factor · 3 strengths · 4 data points

SAFETY PERFORMANCE

Crash Record
8 crashes · 1 fatal · 5 with injuries · 6 tow-away
Clean Inspection Rate
83% — 19 clean of 23 inspections
Out-of-Service Rate
17.4% — driver OOS 1, vehicle OOS 4

COMPLIANCE & AUTHORITY

Operating Authority
Active operating authority on file
Authority Events
5 historical event(s) on file
MCS-150 Filing
Last filed 2026-01-27

INSURANCE

Active Coverage
1 policy(ies) on file · total max coverage $750,000

SUMMARY

1 fatal crash — most recent 2 yr ago
Low crash rate (1.0 per 100 trucks/yr)
83% clean inspections
Active insurance on file

Related carriers

All carriers in TONKAWAAll carriers in OklahomaBrowse carriers by state