Keller Engineering is a multi-disciplinary engineering and building science firm that provides building and systems assessment and associated repair and renewal consulting services. Since the company’s formation in 1982, Keller Engineering has worked with a diverse range of clients across several markets including condominium, commercial, residential and public buildings. Engineering Consulting firms Calgary has the experience and accountability to safeguard your investment. Engineering Consulting firms Calgary is a multi-disciplinary engineering and building science firm that provides building and systems assessment and associated repair and renewal consulting services. Since the company’s formation in 1982, Keller Engineering has worked with a diverse range of clients across several markets including condominium, commercial, residential and public buildings.