Incorporated in 1977 in Brampton, Ontario near Toronto, Canada, Terraprobe has opened branch offices in Barrie (1990), Stoney Creek (1995), and Sudbury (1996). The firm is entirely owned by senior employees. Professional staff currently totals over 140, including over 30 professional engineers, geologists, hydrogeologists, Environmental engineers, and geo-scientists
Incorporated in 1992, Nor Eng Construction and Engineering has participated in construction and contracting in municipal, provincial, and industrial sectors.Nor Eng has focused its tendering activities on contracts involving the construction and rehabilitation of bridges, dams, roads, pipelines, water and sewage treatment plants, landfill expansions, and cell closures.