Langtree Controls Limited is an innovative provider of instrumentation, electrical and controls engineering solutions for clients across North America and beyond. Since 1992, we have been combining our in depth knowledge of modern technology with sound engineering practices to effectively respond to the needs of clients in the petrochemical, food and beverage, municipal and manufacturing industries.

Robert E. Dale Limited, Consulting Engineers was founded in Sarnia, Ontario in 1991 by Robert Dale to meet the ongoing need for an efficient and quality Consulting Engineering Service to the Commercial Industry, plus the Industrial Plant Sector of the economy. This firm is licensed to operate across Canada, in the Provinces of Ontario, New Brunswick, Saskatchewan, Alberta, British Columbia... Read More about Robert E Dale Limited

TECSAR is an independent, employee owned, consulting engineering company, established in 1980. Since that time, the company continues to grow in range and depth to provide professional services to Industrial clientele throughout Ontario, Ohio, Michigan, Quebec and Alberta. Initially concentrating on the petrochemical and refinery industries, the company's expertise now covers a wide range of associated process refining and manufacturing... Read More about Tecsar Engineering Inc