- Companies founded or based in Mississauga
- Canadian headquarters of international Fortune 500 companies
- References
{{more footnotes|date=April 2014}}This is a list of large and international corporations with Canadian headquarters in Mississauga, Ontario, Canada. Additionally companies founded or based in Mississauga are also included. Companies founded or based in Mississauga{{col-begin|width=100%}}{{col-1-of-2}}{{see also|Category:Companies based in Mississauga}}- Air Georgian
- Alectra
- Atomic Energy of Canada Limited
- Bell Mobility
- Canada Dry Motts
- Candu Energy Inc.
- Carrier Enterprise Canada
- East Side Mario's
- EllisDon
- Extreme Pita
- First Choice Haircutters
- Grocery Gateway
{{col-2-of-2}}- Hatch Ltd
- Highland Farms
- Kelseys Original Roadhouse
- Laura Secord Chocolates
- Metroland Media Group
- Molly Maid
- Pressure Pipe Inspection Company
- Softron
- Second Cup
- Shaw Broadcast Services
- The Shopping Channel
- TST Overland Express
- Winners
{{col end}}Canadian headquarters of international Fortune 500 companies{{col-begin|width=100%}}{{col-1-of-3}}- Abbott Laboratories
- ADM Milling[1]
- Agilent Technologies
- Air Products Canada
- Alcoa Fastening Systems
- Amgen Canada
- Anixter Canada
- Ashland Canada
- AVNET International Canada
- Baxter Corporation
- Boston Scientific
- Chevron Texaco Lubricants
- Citi
- ConAgra Foods
- DuPont
- Eastman Chemical
- Ecolab
- Expeditors International
- Federal Express
- First Data
{{col-2-of-3}}- General Electric
- General Mills
- Gilead Sciences
- Hershey
- Hewlett-Packard
- Honeywell
- Ingram Micro
- Kellogg
- Kimberly-Clark
- Marriott Lodging
- Masco
- Mascot Truck Parts
- Mattel
- Medtronic
- Microsoft
- Moores
- NetSuite
- NCR
- Newell Rubbermaid
- Nissan
- Office Depot
- Oracle Corporation
{{col-3-of-3}}- Paccar
- PepsiCo[2]
- Pitney Bowes
- Praxair
- Prologis
- Ryder
- Sara Lee Coffee & Tea
- Sealed Air
- Sherwin-Williams
- Smurfit-MBI
- Staples
- Tech Data
- Thermo Fisher Scientific
- United Parcel
- Wal-Mart
- Wells Fargo
- Western Digital
- Whirlpool Corporation
- Wyeth Consumer Health Care
- YRC Logistics
{{col end}}References1. ^{{cite web|title=City of Fortune |publisher=The City of Mississauga |url=http://www.mississauga.ca/file/COM/Fortune_500.pdf |accessdate=2014-04-20}}
2. ^{{cite web|title=PepsiCo Canada-Contacts|url=http://pepsico.ca/en/Contacts.html|accessdate=4 November 2015}}
{{Canada-company-stub}} 2 : Companies based in Mississauga|Lists of companies of Canada |