M & M Air Conditioning & Refrigeration, 7423 US Highway 431, Boaz, AL 35956, US

Incorporated in 1976, Environmental Systems Corporation is a full-service engineering, construction and heating/air-conditioning services firm. The company provides a broad range of services to commercial and industrial clients throughout the Southeast. It has the ability to integrate customers Building Automation System (BAS) with other systems in their building, such as fire alarm, security, access control, lighting and Power Company metering equipment. In addition, Environmental Systems Corporation provides comprehensive indoor air quality assessment. The firm holds to its credit a variety of projects, including the Durst Knowling Project for the Cosmetic Surgery Center of Huntsville.