We Have a Long and Successful History

Automated Building Systems, Inc. (ABS) is a leading Energy Management Systems contractor and is the authorized Alerton representative for all of New England. ABS has been providing best-in-class products and exceptional customer service for more than 34 years throughout Connecticut, Massachusetts,  Rhode Island, Vermont, New Hampshire,  Maine, and New York.

We work in a wide array of buildings including K-12 Schools, Colleges and Universities, Healthcare Facilities, Commercial Offices, Government Facilities, Custom Residences, Hotels and Industrial Facilities. To give you an idea of the breadth and depth of our experience, we are proud to list a sampling of our satisfied customers: ESPN World Headquarters, Bristol, CT; Sacred Heart University, Fairfield, CT; Northeastern University, Boston, MA; Eastern Connecticut State University, Willimantic, CT; Worcester Public Schools, Worcester, MA; Lesley University, Cambridge, MA; St. Francis Hospital, Hartford, CT; Connecticut Children’s Medical Center, Hartford, CT; Hartford Hospital – Institute of Living, Hartford, CT; and Massachusetts General Hospital, Boston, MA.


Our home office is located in Glastonbury, Connecticut with branch offices in Marlborough, Massachusetts and Bedford, New Hampshire. 



Corporate Office ~ CT (860) 657-9257
MA Branch ~ (508) 251-2883
NH ~ (603) 836-3490