DIEMER CONSTRUCTION CO LLC
AUTHORIZEDUSDOT
641361
MC Number
459420
Fleet Size
52
Total Drivers
25
FMCSA-derived snapshot updated: September 6, 2026. This is not a real-time record; verify critical authority, insurance and safety details directly with FMCSA.
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Safety overview
DIEMER CONSTRUCTION CO LLC is a mid-size interstate motor carrier based in TONKAWA, Oklahoma, operating 52 power units with 25 drivers. CarrierOwl is currently validating BASIC percentile display against the official FMCSA SMS portal; use the inspection, out-of-service, crash, authority, and insurance data below as the primary public safety indicators on this page. Their driver out-of-service rate of 12.5% runs above the national average of 6.7%. They have 1 crash on file (1 with injuries). FMCSA records show 8 inspections for this carrier.
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BASIC scores
Under reviewCarrierOwl is validating BASIC percentile calculations against the official FMCSA SMS portal. Until that review is complete, use FMCSA directly for current BASIC percentiles and use the inspection, out-of-service, crash, authority, and insurance data on this page as supporting indicators.
BASIC percentile display is temporarily paused while we validate CarrierOwl's methodology against the official FMCSA SMS portal.
Out-of-service rates vs. national average
An out-of-service order means the driver or vehicle was pulled from operation during a roadside inspection.
For reference, the average driver OOS rate in Oklahoma is 12.7% and the average vehicle OOS rate is 29.6% across 27,064 carriers.
Company details
- Entity Type
- N/A
- Carrier Operation
- Interstate
- Operation Classification
- Authorized For Hire, Private (Property)
- Cargo Carried
- N
- Hazmat
- No
- Safety Rating Date
- N/A
Inspections
8
Total
57%
Driver %
Insurance on file
Liability (BIPD)
BITCO GENERAL INSURANCE CORPORATION — eff. Mar 28, 2019
Cargo
Not on file
Surety Bond
Not on file
Trust Fund
Not on file
Source: Legacy FMCSA. Verify current filings directly with FMCSA before relying on them.
Crash history
1
Total Crashes
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Frequently asked questions
Is DIEMER CONSTRUCTION CO LLC authorized to operate?
CarrierOwl's FMCSA-derived snapshot for DIEMER CONSTRUCTION CO LLC (USDOT #641361) shows "AUTHORIZED" status. The snapshot lists them as an interstate carrier. Verify the current official record with FMCSA before booking a load.
What is DIEMER CONSTRUCTION CO LLC's safety record?
DIEMER CONSTRUCTION CO LLC has 8 inspections in CarrierOwl's current imported snapshot and 1 matching crash. They do not show a formal FMCSA safety rating in CarrierOwl's current data. A zero result is limited to the dataset and snapshot window. Verify current BASIC percentiles and crash information directly with FMCSA before relying on them.
How many trucks does DIEMER CONSTRUCTION CO LLC operate?
DIEMER CONSTRUCTION CO LLC operates 52 power units with 25 drivers on file. That puts them in the mid-size range.
Does DIEMER CONSTRUCTION CO LLC transport hazardous materials?
No. DIEMER CONSTRUCTION CO LLC does not have a hazardous materials flag in the FMCSA database.
Where is DIEMER CONSTRUCTION CO LLC located?
DIEMER CONSTRUCTION CO LLC is based in TONKAWA, Oklahoma at 14211 S 13TH, 74653. Phone: (580) 628-3052.
What are DIEMER CONSTRUCTION CO LLC's out-of-service rates?
DIEMER CONSTRUCTION CO LLC's driver out-of-service rate is 12.5%, compared with the 6.7% reference shown by FMCSA SMS when checked August 4, 2026. Interpret the difference with inspection volume and verify the current FMCSA record. Their vehicle out-of-service rate is 66.7%, compared with the 23.4% reference shown by FMCSA SMS when checked August 4, 2026. Interpret the difference with inspection volume and verify the current FMCSA record.