Frank McAvoy and Jim Markham founded McAvoy & Markham Engineering & Sales Co. in 1981 to serve the electric power industry in Southern California, Arizona, and Nevada.

We are committed to providing the highest value and support to our customers.


McAvoy & Markham is proud to support the industry with professional memberships with IEEE, Western Underground, MANA, San Diego Building Engineers Association, American Utilities Association, and Lineman Rodeos across the Southwest.

McAvoy & Markam is also a proud financial and volunteer contributor to the San Diego Nice Guys. Since 1979, the Nice Guys have helped San Diego families and individuals who, through no fault of their own, have fallen on tough times. The Nice Guys provides a hand up to get San Diegans back on their feet and self-sufficient.


Frank McAvoy and Jim Markham founded McAvoy & Markham Engineering & Sales Co. in 1981 to serve the electric power industry in Southern California, Arizona, and Nevada. In 1995, John McAvoy and Richard Salemme purchased the company. Our offices are in Irvine, CA & Oceanside, CA.

Billie McAvoy at a trade show in El Centro at the Imperial Valley Fair Grounds around 1989.

John, Nancy, & Frank McAvoy in 1983, when John started working at McAvoy & Markham.

Frank McAvoy and Jim Markham founded McAvoy & Markham when they modified a PILC-XLPE transition joint from 12kV to 35kV. Los Angeles Department of Water and Power, Los Angeles Metro Rail, and the Chunnel train in Europe purchased these transition joints in the 1980s.

Our Team

Our team is diverse in their knowledge and experience. We collaborate to ensure that we are moving forward with the best possible solution.

John McAvoy

President & Principal

John focuses on managing the businesses and ensuring that we meet employees’, customers’ and manufacturers’ expectations.

Richard Salemme

VP Sales & Principal

Richard primarily focuses on SCE and our Nevada customers. As a Principal Member of the company, he is also responsible for managing a sustainable business.

Chris Lindsay-Smith

Sales Engineer

Chris primarily focuses on Municipal Electric Utilities. He also brings a wealth of metering knowledge across our territory and throughout the country, as a consultant.

Carlos Cuevas

Sales Engineer

Carlos primarily focuses on our customers in Los Angeles, Orange, Ventura, & San Bernardino counties. His leadership, experience, and knowledge are valued across our team.

Steve Winden

Sales Representative

Steve primarily focuses on our Arizona customers. His ability to utilize drafting software to display or create products that bridge the gap between our customers and manufacturers benefits both our customers and manufacturers.

Ryan Schneider

Sales Representative

Ryan primarily focuses on our San Diego, Riverside, and Imperial County customers. His experience working for a large corporation in the commercial industry, and the federal government, allows us to provide value outside of the utility industry.

Adam Lindsay-Smith

Inside Sales
Adam is responsible for Inside Sales. He is often on his phone or returning a phone call as soon as it comes in, to assist with urgent needs, orders, or delivery questions.
tim bowers

Tim Bowers

Inside Sales

Tim is responsible for Insides Sales. He is quick to assist our customers, and is our go-to guy when we need something.