Kellar Associates provides clients with with Construction Project Management services, most often as the Owner's Project Manager managing and facilitating any and all phases of the construction and development program. Our services have focused in the Institutional Academic sector as well as the Bio-Sciences. John W. Kellar, III, Principal, had over 22 years experience as Owner of William Kellar, Inc, (established in 1883) General Contractor prior to making a change to offer the services as an Owner's Construction Project Manager.