DC
DIEMER CONSTRUCTION CO LLC
DOT 641361MC 459420ActiveMotor CarrierInterstateBITCO GENERAL INSURANCE CORPORATION · $750,000 · 1 policyTONKAWA, OK
COMPANY
Authority since
2022-05-16
MCS-150
2026-01-27 · 450,936 mi (2025)
Fleet
52 units · — trailers · 25 drivers
ADDRESS
Physical
14211 S 13TH
TONKAWA, OK 74653
TONKAWA, OK 74653
Mailing
Same as physical
CONTACT
Phone
5806283052
Email
diemer@diemerconstruction.com
OFFICERS
Primary Officer
BOB DIEMER
Title
MANAGER
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
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.
AUTHORITY
52 mo
Active authority
INSURANCE
1 active
BITCO GENERAL INSURANCE CORPORATION
RISK GRADE
Minimal Risk
0 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
4/100 risk points0 risk factors · 3 strengths · 5 data pointsmedium confidenceWeighted heuristic: crashes are decayed by recency and normalized per 100 power units, out-of-service and violation rates use a rolling 24-month window, plus FMCSA BASIC alerts and the CarrierIntel Safety Score (which also decays when compliance has not been verified by a recent inspection). Not the official FMCSA SMS score.
SAFETY PERFORMANCE
Crash Record
9 crashes · 1 fatal · 6 with injuries · 7 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 active policy(ies) · total max coverage $750,000
SUMMARY
Low crash rate (1.0 per 100 trucks/yr)
83% clean inspections
Active insurance on file
1 fatal crash on record, none in the last 24 months
FMCSA crash records do not state who was at fault
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