US · FMCSA ACTIVE
ADVANCED UNDERGROUND INC
Harmans, MD 21077 · DOT 1617988
Company profile
Web-discovered · as of 2026-07-30
Advanced Underground Inc. (AUI Group) is a Maryland-based, specialized utility contractor providing horizontal directional drilling, trenching, excavation, and cable pulling services, operating a private fleet of specialized construction equipment and dump trucks.
Fleet use
Specialized service
Operating scope
Regional
Service model
own account
Equipment
specialized, dump
Ownership
Private
Employees
11-50
HQ · 1234 Old Dorsey Road, Harmans, MD 21077
Active hiring for operators and recent 2026 job listings confirm ongoing operations at their 1234 Old Dorsey Road location.
Registry record
Source FMCSA · as of 2026-08-01
Fleet size
27
power units
Activity
road freight carrier
private licence
In operation since
2007
33 drivers
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