Commercial Mechanical Services

Founded in 1977, Air Design Systems is a full-service mechanical and plumbing contractor headquartered in Pensacola, Florida. For nearly 50 years, Air Design has been a trusted name in the Southeast, delivering mechanical and plumbing solutions across Florida, Alabama, Georgia, Louisiana, and Mississippi.

The company specializes in design-build, negotiated, and plan-and-specification projects. Its in-house capabilities include sheet metal fabrication, plumbing, HVAC system design, and custom ductwork. These offerings give Air Design an edge in speed, coordination, and project execution. This integrated model allows the company to deliver high-quality outcomes for residential, commercial, and industrial clients alike.

Air Design’s reputation as a respected market leader comes from its diverse service mix and customer-centric culture. From emergency HVAC repairs to large-scale institutional projects, the company consistently delivers the reliable solutions that have earned it a loyal and multi-generational customer base.

Excel MEP, based in Baltimore, Maryland, was founded in 2010 and has quickly grown into a premier mechanical and electrical contractor in the Mid-Atlantic. Led by CEO James D. Bloom III since 2019, Excel serves customers across eight states, including federal agencies, healthcare providers, major retailers, and industrial facilities.

Excel’s technicians are highly trained specialists who focus on diagnosing, repairing, and maintaining mission-critical systems with precision. Their commitment to technical excellence and dependable service has established Excel as a go-to partner for complex and high-profile projects throughout the region. Beyond its technical strength, Excel’s mission is to build lasting partnerships with its customers by combining innovative solutions, superior service, and dependable support that keeps essential systems running at peak performance.

Stiles Heating, Cooling & Plumbing has been serving Georgia and South Carolina since 1970, building a trusted reputation for reliable service, technical expertise, and long-standing customer relationships. With more than five decades of experience, Stiles has grown into one of the region’s most recognized providers of HVAC, plumbing, and building controls solutions.

The company offers comprehensive residential and commercial services, including system installation, repairs, maintenance, and energy-efficient building controls. Their team of highly trained technicians is committed to ensuring comfort, reliability, and efficiency for every customer, whether it’s a family home or a large commercial facility.

What sets Stiles apart is its ability to combine decades of industry knowledge with a customer-first approach. The company emphasizes tailored solutions, preventive maintenance, and sustainable practices that help customers achieve long-term system performance and cost savings.

Founded in 1988, Vermont Mechanical, Inc. is a full-service mechanical contractor that designs, engineers, fabricates, installs, and services high-quality and cost-effective mechanical systems for commercial, institutional, and industrial customers across Vermont, New Hampshire, and New York. Headquartered in Williston, VT with a second office in Lebanon, NH, the company has built a strong reputation for technical excellence, safety, and reliability.

Vermont Mechanical provides a comprehensive range of HVAC and plumbing services from new construction and design-build projects to complex retrofits, renovations, and ongoing maintenance. Its in-house engineering and fabrication capabilities allow for precision and efficiency in every phase of a project, reducing costs, and ensuring the highest quality of workmanship. The company serves a diverse customer base that includes healthcare institutions, educational facilities, government agencies, industrial clients, and commercial property owners.