List of corporations based in Mississauga

This is a list of large and international corporations with Canadian headquarters in Mississauga, Ontario, Canada. Companies founded or based in Mississauga are also included.

Companies founded or based in Mississauga

 * Alectra
 * Atomic Energy of Canada Limited
 * Bell Mobility
 * Canada Dry Motts
 * Candu Energy Inc.
 * Carrier Enterprise Canada
 * East Side Mario's
 * EllisDon
 * First Choice Haircutters
 * Grocery Gateway
 * Hatch Ltd
 * Heys International Ltd., relocated from Toronto in 2009
 * Highland Farms
 * IMAX Corporation
 * Kelseys Original Roadhouse
 * Laura Secord Chocolates
 * Maple Leaf Foods
 * Metroland Media Group
 * Molly Maid
 * Morguard
 * MY-IVVI
 * Pressure Pipe Inspection Company
 * Softron
 * Second Cup
 * Shaw Broadcast Services
 * The Shopping Channel
 * TST-CF Express
 * Winners

Canadian headquarters of international Fortune 500 companies

 * Abbott Laboratories
 * ADM Milling
 * 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
 * General Electric
 * General Mills
 * Gilead Sciences
 * Hershey
 * Hewlett-Packard
 * Honeywell
 * Ingram Micro
 * Kellogg
 * Kimberly-Clark
 * Konica Minolta
 * Marriott Lodging
 * Masco
 * Mascot Truck Parts
 * Mattel
 * Medtronic
 * Microsoft
 * Moores
 * NetSuite
 * NCR
 * Newell Rubbermaid
 * Nissan
 * Office Depot
 * Oracle Corporation
 * Paccar
 * PepsiCo
 * 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