Ainsworth is a wholly owned subsidiary of GDI Integrated Facility Services. GDI is considered a leader and innovator in the industry. GDI is the fifth largest Facility Services business in North America with revenues approaching $700MM. The company has over 17,000 employees, servicing over 325 million square feet, with operations across Canada and the North Eastern United States.

Being part of the GDI family only strengthens Ainsworth’s position in the marketplace.

Ainsworth is a leading integrated, multi-trade company providing high quality “hard services” including electrical, HVAC, mechanical, technical and maintenance services for institutional, commercial, industrial and residential building clients across the country.

Since 1933, Ainsworth has been a significant and growing force in the services and construction / renovation service industries of Canada.   Ainsworth's maintenance and retrofit services have allowed them to build and maintain relationships with customers starting from project installation stage to ongoing maintenance, service operations, and life cycle replacement.

With their corporate head office in Toronto, Ontario, they operate offices across Canada, many of which are ISO 9001:2008 certified.

Ainsworth works regularly with major clients across all sectors of the economy, including: