Ownership change: This carrier's company officers changed in July 2026.
Previously KAREN WILLIAMS → now KAREN WILLIAMS, Dustin Harder.
See company timeline
HARDER MECHANICAL CONTRACTORS INC
dba J M HARDER PLUMBING & HEATING
PORTLAND, OR
06/01/1974
14
Power Units
3
Drivers
Officers & Contacts
Officer 1
Officer 2
Phone
Email
Website
Fax
(503) 287-5284
Address
Physical / Mailing Address
Company History
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Operation Information
Cargo Carried
Metal Sheets, Coils, Rolls
Logs, Poles, Beams
Building Materials
Large Machinery
Construction Materials
Other (TOOLS)
HazMat Status
Authorized
Annual Mileage
5,000 miles
(MCS-150 Filing)
for 2026
MCS-150 Update
06/15/2026
Related Companies (16)
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