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EPS, now a proud member of the Asplundh and Voltyx family of companies, offers over 40 years of industry experience, service throughout the US, 24-hour customer service, and specialization in electrical acceptance and maintenance testing, commissioning, engineering and design, system troubleshooting, and maintenance of equipment up to 765kV for utility, industrial, data centers, renewables, commercial, and institutional facilities. EPS is committed to providing a culture of safety and technical expertise as a way of ‘Setting the Standard of Excellence in the Power Industry.’ Our subsidiary Electric Power Systems International Inc (EPSII) is a full member of the International Electrical Testing Association (NETA.)

We are proud to be the largest and most reliable provider of full-service testing, engineering, design, commissioning, installation, repair, and maintenance services for the power industry. We are the partner you can count on to guide you through the latest advancements and changes that affect your electrical equipment. Our safety-focused approach will give you peace of mind so you can focus on what you do best. We have local offices throughout the US. Contact us today.

Power System Engineering (PSE) began in Madison, WI in 1974. We are a full-service engineering and consulting firm consisting of a breadth of experienced and professional engineers, economists, and financial analysts with a focus on the electric power and industrial sectors.

Service Description: PSE provides a full range of engineering, economic, and planning consulting services for utilities, municipalities, Independent Power Producers, Developers and Industrial needs. As our industry has grown over the decades, we’ve grown with it – and continue to look toward the future by offering a variety of expert services.

Professional Computer Solutions, LLC (PCS), a wholly owned subsidiary of Central Service Association since Jan 2019, has been serving the utility industry with billing and accounting software solutions since 1981. PCS offers an integrated suite of premier software applications for the utility industry, along with many smart grid interfaces to open third-party applications.

Permacast Walls is a concrete contractor that helps secure and harden critical infrastructure, including substations, generation, transmission and distribution equipment, liquid natural gas plants, water treatment facilities, utilities, and projects requiring a secured environment. Since 2006, Permacast Walls has manufactured ballistic-resistant, crash-resistant, noise, and blast-resistant walls for industrial, commercial, public works, and infrastructure projects throughout North America. 

Website - permacastwalls.com
Facebook - https://www.facebook.com/permacastwalls
LinkedIn - https://www.linkedin.com/company/permacastwalls
Twitter - https://twitter.com/PermacastFence

3B Protection provides advanced physical security solutions for the utility and energy sectors, specializing in ballistic, blast, and forced-entry resistant enclosures and perimeter walls. Our systems are engineered to protect substations, water treatment facilities, power plants, and other mission-critical infrastructure from evolving threats—ranging from vandalism and theft to domestic terrorism.

Tested to exceed federal and military standards, 3B Protection offers an affordable, scalable alternative to traditional hardened structures. We help utilities harden vulnerable sites without breaking budgets or delaying operations, ensuring uninterrupted service and public safety.

When resilience matters, 3B Protection delivers real-world defense.