US · FMCSA ACTIVE AUTHORITY INSURED HAZMAT
UNIMARK LOWBOY TRANSPORTATION LLC
Pleasant Prairie, WI 53158 · DOT 1604546 · MC593409
Company profile
Web-discovered · as of 2026-07-30
Unimark Lowboy Transportation LLC, a subsidiary of JHT Holdings, specializes in transporting over-dimensional commercial vehicles, including medium/heavy-duty trucks and bus chassis, using lowboy trailers.
Fleet use
For-hire freight
Operating scope
National
Service model
dedicated
Equipment
lowboy
Ownership
Subsidiary
part of JHT Holdings, Inc.
Employees
51-200
HQ · 10801 Corporate Drive, Pleasant Prairie, WI 53158
Active hiring, social media posts, and current FMCSA registration as of 2026.
Registry record
Source FMCSA · as of 2026-08-01
Fleet size
154
power units · corroborated
Activity
road freight carrier
for hire licence
In operation since
2007
163 drivers
US compliance
Source FMCSA L&I / SAFER · as of 2026-07-12
Operating authority
Active
Insurance on file
Yes (BIPD)
min cover $1,000k
Out of service
No
Safety rating
UNRATED
Crashes (24 mo)
5
1 fatal · 2 injured
Data Services
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