About Us

Kelso Industries is a collection of market-leading companies their leaders that provide comprehensive HVAC, mechanical, and plumbing services to commercial, residential, modular, and industrial property owners, builders, and developers throughout the United States.

We partner with brands and businesses that have provided a long history of customer service and employee career development.

By joining our growing family of brands, your business will have new resources to grow and increase the level of service offerings. Kelso Industries focuses on ensuring the long-standing brand name and feel does not change but carries on in the entrepreneurial spirit and customer service that started with the business in the first place.

We look for ways to leverage the resources of a large company but still offer a local company feel and customer service. We leverage best practices across our companies but still offer individual leaders to do what is right for their customers and their markets.

Our people mean everything to us and in every partnership we focus on the employees and the team. We look for ways to help the team grow and the employees to expand their careers with exciting opportunities.

We know that by taking care of our growing team, we will be able to continue to take care of our current and future customers. Kelso Industries cares for our employees and customers above all else!


Steve Carroll, CEO & Partner

With his life-long friend and now business partner, Steve Carroll co-founded and launched Kelso Industries in 2021 along with the acquisition of GRAZAK Mechanical. Steve brings many years of leadership and industry experience to Kelso Industries having previously worked as an executive at Walmart and Sam’s Club where he built two different business units to beyond $250 million in revenue. Steve gained a foundation of knowledge and skill in construction and services with C.W. Driver, Mortenson Construction, and Clyde Companies. It was on projects in Southern California where Steve gained a passion for the mechanical, plumbing, and HVAC trades. Kelso Industries was formed from this passion and Steve brings that passion to work everyday with his team and partners.

Greg Gernert, CFO

Greg joined Kelso Industries in 2022 as Chief Financial Officer (CFO). Greg has over 20 years of CFO experience managing manufacturing, engineering, industrial construction and fabrication businesses. His experience includes managing relationships with many constituents including private equity, individual investors, hedge funds, sub-debt, lessors and senior lenders. Greg has experience with companies from initial start-up to well established 80 year old companies. Company size ranges from $5MM to $210MM with many of these companies experiencing very rapid growth. Greg is an experienced finance and operations executive with significant experience in managing cash flow, reducing costs for organizations and offering a good balance between strategic thinker and tactical leader. Greg leads all the finance and administration elements of Kelso Industries and the businesses within the Kelso Industries family.

Brandon “Poncho” Romero, Partner & President of Advanced Heating and Cooling

Along with the Advanced Heating and Cooling team and business, Poncho joined the Kelso Industries family in 2022. He brings more than 30 years of experience in the HVAC, mechanical, and plumbing industries to Kelso. Poncho’s leadership will continue to grow and expand the Advanced Heating and Cooling, GRAZAK Mechanical, and Kelso Industries brands throughout Idaho, Utah, Arizona, and the United States.