US · FMCSA ACTIVE AUTHORITY INSURED HAZMAT
DIAMOND OIL COMPANY
Des Moines, IA 50309 · DOT 554371 · MC383794
Company profile
Web-discovered · as of 2026-07-30
Des Moines-based transporter of refined fuels, propane, and lubricants, specializing in petroleum distribution. Acquired by Heritage Petroleum in 2025.
Fleet use
For-hire freight
Operating scope
Regional
Service model
ftl, dedicated
Equipment
tanker, flatbed
Ownership
Subsidiary
part of Heritage Petroleum
Employees
51-200
HQ · 702 SE Raccoon St, Des Moines, IA 50309
Active DOT authority and acquired by Heritage Petroleum in 2025; still listed in Iowa directories.
Registry record
Source FMCSA · as of 2026-07-08
Fleet size
43
power units · corroborated
Activity
road freight carrier
for hire licence
In operation since
1994
32 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
SATISFACTORY
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