Who we are
Originally established in 2004 as Williamson Services, a sole proprietorship, WSI Southwest, Inc. has grown into a trusted electrical contracting company serving communities throughout New Mexico and southeastern Arizona. From residential wiring to large-scale industrial and mining projects, we provide safe, reliable, and efficient electrical solutions tailored to meet each client’s unique needs.
We’re proud to be a locally owned and operated business built on integrity, hard work, and unmatched customer service. Our licensed team brings decades of combined experience, using top-tier equipment and innovative practices to keep your systems running strong.
WHY WE DO WHAT WE DO
At WSI Southwest, Inc. our mission is to provide dependable, high-quality electrical services that power communities, support industries, and exceed expectations safely, efficiently, and with integrity.
We believe reliable power is the backbone of strong communities and successful operations. Whether it’s lighting a family’s home, powering a business, or supporting complex industrial and mining systems, we take pride in delivering safe, efficient electrical solutions that keep the Southwest moving forward. Our work isn’t just about wires and circuits, it’s about service, trust, and making a real difference for the people we serve.
Wired for success? We’re Hiring.
We’re always on the lookout for talented, hard-working individuals who bring valuable skills to the table. Whether you’re experienced in a trade, tech-savvy, organized, mechanically inclined, or just a quick learner with a strong work ethic—we want to hear from you!
If you believe you could be an asset to our team, don’t wait for the perfect job title. Reach out and let’s talk.
Lighting up new Mexico and beyond
WSI Southwest proudly serves communities across southern New Mexico, southeastern Arizona and Texas, delivering expert electrical solutions wherever you need them, from homes and businesses to industrial and mining sites. No matter the size or scope of your project, we’re committed to bringing safe, reliable power to your doorstep.
Ready to get started? Contact us today to see how we can help power your next project.