Charles Yiwei

Frisco Bay Industries Ltd. designs, develops, markets, and installs integrated systems and products for financial institutions, retail chains, government agencies, and private commercial firms. Its systems include financial transaction processing, automated teller machines, and integrated security systems. The company was founded by Barry E. Katsof in 1970 and is headquartered in St. Laurent, Canada.

TOA Canada Corp. operates as a sound solutions provider, specializes in commercial audio, including, public address, voice communications, voice evacuation and emergency paging requirements. Its products include amplifiers, audio signal processors, conference systems, intercom systems, megaphones, mixers, mobile amplifiers and wireless microphones. The firm's customers include corporate, commercial, education, government and hospitality industries. The company was founded in 1990 and is headquartered in Mississauga, Canada.

Siemens Building Technologies Ltd. provides technical infrastructure for security, comfort and efficiency in buildings. The company was founded in October 1998 and is headquartered in Brampton, Canada.