Callon Dietz Incorporated

41 Adelaide St. North Unit 1
London, Ontario N6B 3P4
Canada View Map >>

P: (519) 673-0220
F: (519) 673-5052
Callon Dietz Incorporated has provided land-surveying services to Southwestern Ontario since 1967. Established as the T.O. Callon Company, the firm became Callon Dietz Incorporated in 1991. Today, Callon Dietz partners on a wide variety of projects including gas line and other above-ground and underground services, highway reconstruction program... more

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Architecture, Engineering & Design

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