RK Mechanical, Inc. provides plumbing, piping and sheet metal fabrication and installation for projects. With its headquarters in Denver Colorado, RK Mechanical has a 46-year history with nearly 1,000 team members with revenue of over $150 million.

Specializing in the design, installation and service of heating, air conditioning, electrical, plumbing and piping systems for commercial and industrial facilities, Southern Air is headquartered in Lynchburg, Virginia. With over 750 employees and $88 million in sales volume, Southern Air continues to grow and give top quality service to its many customers.

TD Industries, headquartered in Dallas, Texas, is one of America’s premier facility service and specialty construction companies that provides service and operations, construction and installation for a number of building systems. With over 1,500 employees and over $300 million in revenue, this employee-owned company sticks with the tagline “Excellence through Employee Ownership.”

Worth & Company is the leading full-service mechanical systems provider in the tri-state Pennsylvania, Delaware and New Jersey region. Established in 1976 by founder Stephen Worth, the driving force behind our reputation for unsurpassed customer satisfaction is the company’s proven commitment to “excellence through innovation and collaboration.”