umac Energy Limited was incorporated in 1983 to offer engineering services to Atlantic Canada. In addition to providing electrical, mechanical, and industrial engineering, the company specializes in energy management design and building systems investigation. The company is equally owned by the two principals, D.M. Dumaresq and D.G. LeBlanc, both registered professional engineers.

The Firm consists of a base of thirteen full time employees including electrical, mechanical and industrial engineers, with interdisciplinary support staff proficient in building systems design and construction. Computer aided design (CAD) programs are used extensively, allowing the production of engineering drawings in an efficient and cost effective manner.