US · FMCSA ACTIVE AUTHORITY INSURED
DIEMER CONSTRUCTION CO LLC
Tonkawa, OK 74653 · DOT 641361 · MC459420
Company profile
Web-discovered · as of 2026-07-30
Construction firm based in Tonkawa, Oklahoma, operating a large, specialized private fleet for heavy construction, oilfield, and agricultural equipment transport.
Fleet use
Specialized service
Operating scope
Regional
Service model
dedicated
Equipment
flatbed, dump, specialized
Ownership
Private
HQ · 14211 S 13th St, Tonkawa, OK 74653
5806283052 OPERATING CONFIRMED
Active FMCSA record and Yelp listing (updated July 2026) for 14211 S 13th St, Tonkawa, OK.
Registry record
Source FMCSA · as of 2026-08-01
Fleet size
52
power units · corroborated
Activity
road freight carrier
for hire licence
In operation since
1996
25 drivers
US compliance
Source FMCSA L&I / SAFER · as of 2026-07-08
Operating authority
Active
Insurance on file
Yes (BIPD)
min cover $750k
Out of service
No
Safety rating
UNRATED
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