Economic Development Office
- Describes economic benefits of a Mississauga location. Provides statistics, facts, maps, a business directory and information on starting and growing a business.
- http://www.mississauga.ca/portal/business

Streetsville
- The Streetsville BIA represents the business community within the historic village through beautification programs, marketing, communication and unification amongst members. Includes a business directory and upcoming events.
- http://www.villageofstreetsville.com

Mississauga Board of Chinese Professionals and Businesses
- Their mission is to link professionals and businesses for the advancement of socio-economic well-being. Features membership information, upcoming events, business directory and online access to their journal.
- http://www.cpbmississauga.com/

Mississauga Technology Association
- Provides a networking forum for business, government and academic sectors, to enhance economic and technological growth in Mississauga.
- http://www.mississaugatech.com/

Port Credit Business Association
- Represents over 300 individual businesses within Mississauga's village on the lake. Learn more about Port Credit, upcoming events, the community and marketplace.
- http://www.portcredit.com/

Mississauga Board of Trade
- A private sector, non-profit, volunteer-driven business organization that represents businesses in all industry sectors in Mississauga.
- http://www.mbot.com/