About US

Quantrex Controls LLC is a Washington State-based engineering firm specializing in Electrical Systems, Automation & Control Systems, and OT Networking. We deliver practical, reliable, and high-quality technical solutions for mission-critical infrastructure projects across the Pacific Northwest. With extensive hands-on experience in design, programming, integration, commissioning, and troubleshooting, we help our clients achieve safe, efficient, and optimized operations.

                                                                                                  Our Commitment

Our team combines deep technical expertise with a strong focus on integrity, responsiveness, and long-term client success. Whether modernizing a wastewater treatment plant, supporting a data center’s power and control infrastructure, or implementing secure OT networks, we deliver solutions that work effectively in real-world environments.