Potelco Inc

As part of Quanta Services’ West group, it scales complex projects across the Pacific Northwest and beyond.

Its financial strength under a publicly‑traded parent enables ongoing growth in fleet, equipment and regional reach.

Specializing in high‑voltage transmission (69–345 kV), distribution systems, substations, street lighting and underground utilities.

It also delivers 24/7 emergency response—mobilizing crews nationwide after storms like Katrina, Sandy and Irene.

The firm supports renewable power upgrades alongside traditional utility work, reflecting evolving energy trends.

Notably, a subsidiary, Infrasource Services, adds synergistic natural gas solutions to its electric‑centric portfolio.

Railroad power and fiber‑optic expertise round out its offerings, making it the go‑to contractor for major infrastructure projects.

Safety first in everything we do

Delivering quality and excellence

Continuous improvement and innovation

Teamwork and collaboration

Integrity and accountability

Respect for the environment and the communities we serve