55 Years Strong
Over 5 Decades of Expertise
Waldrop has been delivering commercial mechanical projects across Upstate South Carolina.
What started as a regional mechanical contractor has grown into a full-service firm with registered engineers, a sheetmetal fabrication shop, and craft technicians with up to 40 years of experience. The cumulative knowledge inside this building runs deep, and every client benefits from it.

Built on Pride and Principles
We take pride in doing things the right way, holding ourselves to high standards and delivering consistent, quality craftsmanship on every job. We believe in treating customers and employees with fairness and respect, creating outcomes that work well for everyone. It’s an approach built on trust, accountability, and doing what we say we’ll do. You’ll see it in how we communicate, how we show up on site, and how we stand behind our work from start to finish.
Waldrop Mechanical History
A History of Success
Founded by Benny Waldrop in 1970 in Spartanburg, South Carolina, Waldrop Mechanical Services started as Waldrop Heating and Air Conditioning, Inc.
In 2004, Benny welcomed Bill Caldwell, Dennis Pruitt, and Jamie Porterfield into leadership, successfully positioning the company for strategic growth.
By 2007, Waldrop Inc. had formed, growing into dedicated divisions for Heating & Air Conditioning and Mechanical Services.
Following Benny's retirement in 2011, ownership transitioned to Bill, Dennis, and Jamie.
Caldwell retires in 2020 and Waldrop Inc. shares are purchased 50/50 by Porterfield & Pruitt.
In 2021 Waldrop split into two independent privately held companies, Waldrop Inc owned by Dennis Pruitt and Waldrop Home Services Inc. owned by Jamie Porterfield. Waldrop Mechanical Services performing commercial work and Waldrop Plumbing – Heating – Air performing residential only.
Fifty-five years after founding Waldrop, Benny’s enduring belief that a company can be fair to its customers, employees and the business at the same time continues to be a guiding principle that defines our path forward.
Culture
Our People Deliver the Difference
Our people are what truly set Waldrop apart.
It’s a reflection of the experience, pride, and commitment they bring to every project. Our workforce includes technicians with decades of hands-on expertise, developed through in-house training and strengthened by a team environment where people are valued and supported. That sense of respect and investment creates a workplace where people build lasting careers, and it shows in the quality of the work, the reliability of our crews, and the trust we build with every client.
Founded by Benny Waldrop in 1970 in Spartanburg, South Carolina, Waldrop Mechanical Services started as Waldrop Heating and Air Conditioning, Inc.
In 2004, Benny welcomed Bill Caldwell, Dennis Pruitt, and Jamie Porterfield into leadership, successfully positioning the company for strategic growth.
By 2007, Waldrop Inc. had formed, growing into dedicated divisions for Heating & Air Conditioning and Mechanical Services.
Following Benny's retirement in 2011, ownership transitioned to Bill, Dennis, and Jamie.
Caldwell retires in 2020 and Waldrop Inc. shares are purchased 50/50 by Porterfield & Pruitt.
In 2021 Waldrop split into two independent privately held companies, Waldrop Inc owned by Dennis Pruitt and Waldrop Home Services Inc. owned by Jamie Porterfield. Waldrop Mechanical Services performing commercial work and Waldrop Plumbing – Heating – Air performing residential only.
Fifty-five years after founding Waldrop, Benny’s enduring belief that a company can be fair to its customers, employees and the business at the same time continues to be a guiding principle that defines our path forward.
Founded by Benny Waldrop in 1970 in Spartanburg, South Carolina, Waldrop Mechanical Services started as Waldrop Heating and Air Conditioning, Inc.
In 2004, Benny welcomed Bill Caldwell, Dennis Pruitt, and Jamie Porterfield into leadership, successfully positioning the company for strategic growth.
By 2007, Waldrop Inc. had formed, growing into dedicated divisions for Heating & Air Conditioning and Mechanical Services.
Following Benny’s retirement in 2011, ownership transitioned to Bill, Dennis, and Jamie.
Caldwell retires in 2020 and Waldrop Inc. shares are purchased 50/50 by Porterfield & Pruitt.
In 2021 Waldrop split into two independent privately held companies, Waldrop Inc owned by Dennis Pruitt and Waldrop Home Services Inc. owned by Jamie Porterfield. Waldrop Mechanical Services performing commercial work and Waldrop Plumbing – Heating – Air performing residential only.
Fifty-five years after founding Waldrop, Benny’s enduring belief that a company can be fair to its customers, employees and the business at the same time continues to be a guiding principle that defines our path forward.