Established in 1970, N.B. Kenney is an industry-leading, full-service, Massachusetts-based mechanical contracting company, sp ... ecializing in HVAC, Plumbing and Process Piping services. N.B. Kenney builds new or retrofits legacy systems for some of the most challenging and complex projects in the private and public sectors, approaching every project with focused intelligence and unrivaled integrity. N.B. Kenney’s portfolio includes some of the New England region’s most notable schools, universities, hospitals, laboratories, government buildings and residential projects. read more