US · FMCSA ACTIVE
INFRASOURCE SERVICES LLC
Sumner, WA 98390-9641 · DOT 2344098
Company profile
Web-discovered · as of 2026-07-30
InfraSource Services LLC is a specialized utility contractor providing construction, installation, and maintenance services for natural gas and electric power infrastructure, operating as a subsidiary of Quanta Services. The WA-based entity focuses on regional utility construction projects.
Fleet use
Private fleet
Operating scope
Regional
Service model
own account
Equipment
specialized, dry van
Ownership
Subsidiary
part of Quanta Services, Inc.
Employees
51-200
Networks & associations
Quanta Services
Industries served
natural gasoiltelecomelectric power
HQ · 14103 Steward Rd, Sumner, WA 98390
Active site and careers page (2026), and recent WA L&I and broker snapshot data.
Registry record
Source FMCSA · as of 2026-08-01
Fleet size
227
power units · corroborated
Activity
road freight carrier
private licence
In operation since
2012
197 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
Data Services
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