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Current network

Proudly serving commercial, industrial, multi-family, government, healthcare, education and other building operators across North America through a network of self-performing technicians.

Control Solutions, Inc.
Englewood, CO

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Control Solutions Inc. (CSI) specializes in Building Automation and Temperature Controls. CSI was founded in November of 2007, and has since earned a remarkable reputation as a leading building automation/HVAC contracting company. When Ed Welch, Bret Roberts, and Gary Bales decided to launch the business, they made a promise they would always operate with a quality foundation of unwavering ethics and quality workmanship. That foundation remains in place to this day, which makes CSI an ideal partner for CMG.


Environmental Services of Charlotte
Charlotte, NC

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Since 1985, Environmental Services of Charlotte (ESOFC) has been providing heating and air conditioning service to Charlotte, Greensboro and the surrounding areas. An enduring commitment to providing quality service and a “fix it right the first time” philosophy has enabled ESOFC to grow into a multi-million-dollar commercial HVAC service organization. With their market leading technical professionals, ESOFC currently serves over a thousand commercial locations for HVAC service in the Charlotte area with the highest levels of trust and honesty.

SAM Mechanical Services
Hooksett, NH

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SAM Mechanical Services (SAM) was founded by Steve April and Robert Camann in 1989. Through hard work and dedication, SAM has grown from a two-man operation into one of the leading plumbing and HVAC contractors in New Hampshire. SAM’s dedication to excellent service and a total-satisfaction guarantee has made SAM Mechanical the local choice for service, routine maintenance, and emergency repairs for nearly two decades. Moreover, SAM’s A+ rating from the Better Business Bureau speaks to their commitment to quality and integrity.

Major Mechanical, Inc.
Maple Grove, MN

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For 35 years, Major Mechanical, Inc. has been installing plumbing and HVAC systems in hotels, multi-unit housing and senior living complexes throughout the Twin Cities Metro Area. They are committed to preserving their position as a top union mechanical contractor by providing exceptional service at the best possible rates. Major Mechanical’s team maintains the highest level of workmanship from underground to finish. Over the last 10 years, they have completed projects ranging from 3-unit townhomes to 400-unit multi-unit housing projects.

Nielsen Mechanical Contractors, Inc.
Colorado Springs, CO

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Nielsen Mechanical Contractors, Inc. is a Colorado Springs-based mechanical contracting business focused on commercial heating and air systems, commercial kitchens, and specific environments such as doctor’s offices and healthcare facilities. Their team of experts boasts over 50 years of combined experience, and they are highly trained in providing quality service and professional installation. At Nielsen, customer service and satisfaction are top priorities, and they’re committed to ongoing training, education, and factory certification to constantly improve their collective knowledge base.

Centraire Heating, Air Conditioning & Plumbing, Inc.
Edina, MN

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Centraire, which has proudly served the Twin Cities region since 1967, provides both commercial and residential heating, filtration, air conditioning, plumbing, and indoor-air-quality services. Centraire’s full line of commercial services includes everything from rooftop units to hydronics, and they provide systems such as VAV, VVT, make-up air, built-up, and more. Centraire also supplies infrared radiant tube heaters and zoning systems to enhance the warmth of a specific room. No matter what your need may be, Centraire’s affordable and high-quality service guarantees the comfort and satisfaction that you deserve.

Dynaire Corporation
Mineola, NY

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Founded in 1957, Dynaire Corporation offers HVAC installation, engineering, service and support, control systems, and sheet metal fabrication to commercial and select residential customers across Long Island, the Five Burroughs, and the tri-state Area. Dynaire’s flexible team approach allows customers to choose between utilizing Dynaire’s design team and project managers, or coordinating directly with the customer’s preferred architects and engineers. This team approach minimizes change orders, maintains schedules, and keeps jobs on budget. Dynaire’s philosophy of quality, along with their commitment to service and to providing close attention to their customers’ needs, has made them a leader in the HVAC industry throughout the tri-state area.

Industrial Maintenance & Automation
Shelby, NC

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Established in 1994, Industrial Maintenance & Automation (“IMA”) has been proudly serving the Carolinas and beyond with quality electrical, mechanical, fabrication, maintenance & automation services for over 20 years.  Their staff of over 70 talented employees has a variety of skilled-trade abilities, enabling IMA’s customers to make “one call” for facility & machine maintenance. IMA holds unlimited NC and SC electrical licenses, and their staff includes certified welders, licensed electricians, calibration technicians, maintenance personnel, and automation technicians. IMA takes great pride in delivering the highest quality service and workmanship to their clients in the safest and quickest manner possible.

DesignBuild Mechanical Corporation
Charlotte, NC & Charleston, SC

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Established in 2002, DesignBuild Mechanical is one of the leading commercial HVAC subcontractors in the Southeast. Founded by Kevin Violette and David Smith, their combination of education and industry experience has created a unique approach to HVAC by focusing on Quality, Performance, and Lasting Value. DesignBuild Mechanical specializes in the new construction, renovation, and retrofit of commercial and industrial facilities while utilizing the design-build concept to minimize a project’s timeline and adhere to the customer’s budget. DesignBuild Mechanical provides engineering design, installation and support service in North Carolina, South Carolina, Virginia, Georgia, and Florida.

Air Professional Associates
North Salem, NY

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Air Professional Associates is known for its unique design-build capability from conception to final installation and start-up. The company’s customers also count on Air Professional Associates to provide preventative maintenance, timely service and repairs by APA’s highly trained staff, including 24/7 after-hours and emergency service.

Facility Systems Services
Matthews, NC

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Facility Systems Services was formed in 2015 to support the needs of local business with their HVAC and Building Automation needs. Its leadership team has been a part of the local HVAC business since the 1980’s.  The company’s multifaceted approach to the business has given it inroads into General HVAC, Industrial / Process HVAC, Hospital / Healthcare HVAC, Financial institution HVAC, Data Center HVAC, and Public / Private Education markets. When businesses need their facilities to be climate controlled for their customers and staff, FSS is one of the premier and fastest growing Charlotte based business to meet those needs.

IR Mechanical
Orlando, FL

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Building on more than 30 years of industry leading experience, IR Mechanical is a deeply rooted service company in the central Florida market.  IR Mechanical provides comprehensive mechanical and kitchen services including installations, repairs, and long-term maintenance planning for industrial and commercial clients alike.  With a key focus on “white glove” service, the IR team excels at creating turn key solutions for our clients that result in improved uptime, and best value for our clients.  Our entire team of experienced professionals have unbeatable attention to detail and strive to deliver the very highest level of service as a trusted advisor to each of our clients.

Piper Electric
Arvada, CO

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Established in 1983, Piper Electric was one of the first true design-build electrical contracting firms in the Denver and Arvada, Colorado area. The company’s reputation for integrity, professionalism and good old-fashioned customer service has put Piper Electric on a growth curve to become the trusted Denver electrical contractor company it is today. Piper performs commercial electrician services, residential electrician services as well as servicing industrial clients.


Pro Tech Mechanical
Corpus Christi, TX

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Pro Tech Mechanical was established in March of 2000 as a Commercial HVAC Service Company and is now a full MEP Mechanical Contractor. The company works in Federal, Industrial and Commercial areas as well as providing all types of new and retrofit installations covering the entire South Texas Region. Pro Tech specializes in HVAC Central Plant Renovation, Project Management, All Makes and Models of Commercial HVAC, Building Control Systems, Boilers, Chillers, Cooling Towers, Pumps, Chemical Treatment, and Water Evaporation Credits. Its key strengths have been alerting the central plant owners of energy waste from inefficient equipment, project managing jobs to save dollars on large projects, and providing years of experience and expertise to its customers.

Tra Mar
Greeley, CO

Founded in 1991, Tra Mar Mechanical is built on more than 30 years of experience serving HVAC clients in Northern Colorado.  With the highest level of commitment to integrity and quality, both commercial and residential clients alike can count on the team at Tra Mar Mechanical to “do it right the first time”.

General & Mechanical Services
Annapolis, MD

Based in Annapolis MD, General & Mechanical Services (GMS) is a leading provider of mission- critical infrastructure solutions and services nationwide. Since 1998, GMS has provided its customers with a “one-stop-shop” for all of their mechanical infrastructure needs including the supply, installation, testing and maintenance of industrial HVAC, mechanical, electrical and plumbing solutions.

Mechanical Systems and Service
West Monroe, LA

Mechanical Systems & Service is a mechanical company based in West Monroe, LA. The company performs mechanical and plumbing service work in several southern states, including Louisiana, Arkansas, and Mississippi.

S Mechanical
Oak Forest, IL

S Mechanical is a commercial mechanical construction and HVAC services provider in the Greater Chicago area. Headquartered in Oak Forest, Illinois, S Mechanical holds contractor licenses in Illinois, Indiana, Ohio, Wisconsin, and Iowa Having remained in business for nearly 30 years, the Company is well-known and respected among the industrial and commercial construction companies in and around the Chicago market.

Crosby Electric
Montgomery, AL

Crosby Electric is an electrical contracting and service company that operates primarily in central Alabama and is also licensed in Florida and Georgia. Crosby Electric has the resources to provide its customers world-class service and yet maintain that hometown feel and good customer experience.

Crosby Communications
Montgomery, AL

Crosby Communications a low voltage electrical contractor specializing in data networks, video surveillance, and access control. Crosby Communications is licensed in Alabama, Florida, Georgia, Tennessee, and Mississippi.

AC Corporation
Greensboro, NC

Established in 1935 and headquartered in Greensboro, North Carolina, AC Corporation is a leading provider of best in class, tailored solutions in the industrial and commercial markets. The Company serves as a “one stop shop” offering customers tailored HVAC, custom fabrication, electrical, plumbing, and control systems offerings. Over the past 86 years, the Company has expanded across North Carolina with primary facilities located in Greensboro, Winston Salem, Raleigh and Rural Hall.

Reilly Electrical Contractors
South Easton, MA

Reilly Electrical Contractors (RELCO) performs both bid and design/build work for electrical and low voltage markets. Since its founding in 1993, Reilly Electrical has set new standards of excellence for the electrical, telecommunication, security, and technologies construction industry. The company’s unique organizational structure allows it to remain competitive on smaller projects while its 30-year experience enables it to perform projects of any size. Reilly Electrical has locations in Easton, Massachusetts (headquarters), Cape Cod, Rhode Island, and New Hampshire.

ControlAir Systems
Burlington, MA

ControlAir Systems is a Massachusetts-based provider of installation, service, repair, and maintenance services for heating and cooling systems. The company was established in 1967 as a sheet metal contracting company and now operates as a full-service Mechanical Contractor. Today, ControlAir Systems offers a wide range of services including HVAC sales & design, duct fabrication & installation, HVAC service & repair, and piping & controls installation.