US · FMCSA ACTIVE HAZMAT
J&R UNDERGROUND LLC
Blanchardville, WI 53516 · DOT 1171902
Company profile
Web-discovered · as of 2026-07-30
J&R Underground LLC is an underground utility and civil construction contractor based in Blanchardville, Wisconsin. They specialize in horizontal directional drilling, trenching, and utility system installation for the telecom, electric, and gas sectors across the Midwest.
Fleet use
Specialized service
Operating scope
Regional
Service model
dedicated
Equipment
specialized
Ownership
Subsidiary
part of Quanta Services
Employees
51-200
HQ · 916 Blake St, Blanchardville, WI 53516, USA
Active corporate website and DOT safety records indicate the company remains an operational utility contractor.
Registry record
Source FMCSA · as of 2026-08-01
Fleet size
131
power units · corroborated
Activity
road freight carrier
private licence
In operation since
2003
104 drivers
US compliance
Source FMCSA L&I / SAFER · as of 2026-07-12
Operating authority
None / private
Insurance on file
No
Out of service
No
Safety rating
UNRATED
Crashes (24 mo)
1
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