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The original companies, Brubacher Campbell Ltd. started by Wayne Brubacher, OLS in 1967, and Wyman & Auer Ltd., formed by Gary Auer and Paul Wyman, OLS. , merged in 1990 to form Campbell Wyman Auer & Ims Ltd in order to combine skills and experience developed in survey related fields. The various fields pursued by the merged company were Geographic Information Systems (GIS), GPS data collection and computation, Space Inventory Management Technology, Industrial Optical Alignment, Geodetic Surveys 2nd and 3rd Order and Engineering Layout , in addition to their legal surveys expertise.