Keller Engineering is a multi-disciplinary engineering and building science firm. Keller has 40-years of experience dealing with occupied commercial and residential buildings. We have worked closely with condominium corporations , commercial and residential property owners, and institutions helping them maintain their properties and protect their assets. Keller has carried out thousands of investigations and designed and overseen both small and large scale infrastructure repair projects using current engineering best practices. Our experience with occupied buildings allows us to design repair projects to limit the disruption to the public