Companies 19,551–19,600 of 25,915
A–Z by legal name| Company | Business category | Registry number | Registered | Status | City |
|---|---|---|---|---|---|
| ONTARIO MONEY EXCHANGE INC. | — | 1000935777 | 2024-06-19 | WATERLOO | |
| ONTARIO ORTHOPRACTIC MANUAL THERAPY SOCIETY | — | 1335839 | 1999-02-09 | Active | WATERLOO |
| ONTARIO PRESSURE WASHING INC. | — | 1001237559 | 2025-05-14 | Active | WATERLOO |
| ONTARIO PSYCHIATRIC SURVIVORS' ALLIANCE | — | 913502 | 1990-11-19 | Active | WATERLOO |
| ONTARIO RECRUITS INC. | — | 1000434983 | 2023-02-02 | Active | WATERLOO |
| ONTARIO RESIDENTIAL MANAGEMENT GROUP INC. | — | 1320152 | 1998-11-17 | Active | WATERLOO |
| ONTARIO SECONDARY SCHOOL DANCEFEST | — | 1926565 | 2015-01-19 | Active | WATERLOO |
| ONTARIO SEED CO. LIMITED | — | 957847 | 1991-11-01 | Active | WATERLOO |
| ONTARIO SIMPLY GREEN LANDSCAPING | Administrative and waste services | 1001554464 | 2026-03-30 | Active | WATERLOO |
| ONTARIO SMART HOME SERVICES CORP. | — | 2494838 | 2015-12-07 | Active | WATERLOO |
| ONTARIO SOFT WATER INSTALLATIONS INC. | — | 1000398379 | 2022-12-27 | Active | WATERLOO |
| ONTARIO SUPPORT DOG SERVICES | — | 1001455541 | 2025-12-09 | WATERLOO | |
| ONTARIO TABLE & CHAIR INC. | — | 1096280 | 1994-10-05 | Active | WATERLOO |
| ONTARIO TEACHERS' INSURANCE PLAN INC. | — | 988061 | 1992-06-23 | Active | WATERLOO |
| ONTARIO TEACHERS' RETIREMENT VILLAGE (KITCHENER) INCORPORATED | — | 421427 | 1979-10-16 | Inactive | WATERLOO |
| ONTARIO TELEVISION ELECTRONIC ASSOCIATION | — | 331283 | 1976-04-21 | Inactive | WATERLOO |
| ONTARIO VICTORIA CRICKET CLUB CORPORATION | — | 1000511086 | 2023-04-28 | Active | WATERLOO |
| ONTRACK OCCUPATIONAL THERAPY SERVICES INC. | — | 2696208 | 2019-05-14 | Active | WATERLOO |
| ONWARD MANUFACTURING COMPANY LIMITED | — | 1449140 | 2000-12-19 | Active | WATERLOO |
| ONWARD MULTI-CORP INC. | — | 1216150 | 1997-01-01 | Inactive | WATERLOO |
| ONWARD MULTI-CORP INC. | — | 1921944 | 2015-01-01 | Active | WATERLOO |
| ONWARD MULTI-CORP INC. | — | 1549816 | 2003-01-01 | Inactive | WATERLOO |
| ONWARD PLASTICS INC. | — | 1000737993 | 2024-01-01 | Active | WATERLOO |
| ONYX BUSINESS SOLUTIONS INC. | — | 2590901 | 2017-08-04 | Active | WATERLOO |
| OONAGH SOLUTIONS INC. | — | 3023704 | 2006-11-23 | WATERLOO | |
| OPARIN AND MA MEDICINE PROFESSIONAL CORPORATION | — | 1001499578 | 2026-02-10 | Active | WATERLOO |
| OPEN DEV SOLUTIONS INC. | — | 3204095 | 2019-04-09 | WATERLOO | |
| OPEN G CONSULTING INC. | — | 1969212 | 2017-03-21 | Active | WATERLOO |
| OPEN OPTIONS CORPORATION | — | 1178909 | 1996-06-05 | Inactive | WATERLOO |
| OPEN OPTIONS CORPORATION | — | 1530835 | 2002-08-01 | Active | WATERLOO |
| OPEN OPTIONS HOLDING CORPORATION | — | 2557782 | 2017-01-24 | Inactive | WATERLOO |
| OPEN QUANTUM DESIGN | — | 1000818394 | 2024-02-28 | WATERLOO | |
| OPEN QUANTUM DESIGN ENTERPRISE INC. | — | 1000791603 | 2024-02-02 | WATERLOO | |
| OPEN SEZ-A-ME INC. | — | 1017012 | 1993-02-22 | Active | WATERLOO |
| OPEN TEXT ACQUISITION CORPORATION | — | 1338958 | 1999-02-08 | Inactive | WATERLOO |
| OPEN TEXT CANADA LTD. | — | 1827712 | 2010-05-26 | WATERLOO | |
| OPEN TEXT CORPORATION | — | 1903820 | 2013-07-01 | WATERLOO | |
| OPEN TEXT CORPORATION | — | 1532559 | 2002-07-01 | Inactive | WATERLOO |
| OPEN TEXT CORPORATION | — | 1837142 | 2010-07-01 | WATERLOO | |
| OPEN TEXT CORPORATION | — | 1624333 | 2004-07-01 | Inactive | WATERLOO |
| OPEN TEXT CORPORATION | — | 1999033 | 2018-07-01 | WATERLOO | |
| OPEN TEXT CORPORATION | — | 1807769 | 2009-07-01 | WATERLOO | |
| OPEN TEXT CORPORATION | — | 1855322 | 2011-07-01 | WATERLOO | |
| OPEN TEXT CORPORATION | — | 1664599 | 2005-07-01 | WATERLOO | |
| OPEN TEXT CORPORATION | — | 993082 | 1992-06-30 | Inactive | WATERLOO |
| OPEN TEXT CORPORATION | — | 1427821 | 2000-07-01 | Inactive | WATERLOO |
| OPEN TEXT CORPORATION | — | 1578550 | 2003-07-01 | Inactive | WATERLOO |
| OPEN TEXT CORPORATION | — | 1877728 | 2012-07-01 | WATERLOO | |
| OPEN TEXT CORPORATION | — | 1159528 | 1995-12-29 | Inactive | WATERLOO |
| OPEN TEXT CORPORATION | — | 1962301 | 2016-07-01 | WATERLOO |
Waterloo registrations by year
97 years202672320251,05920241,12820231,17220221,13620211,188202093720197932018782201773220166972015655201457820136122012609201153420105202009458200851720075312006507200549620044832003454200238920014192000509199941219984681997412199638819953541994374199332819922831991306199037919894471988364198737019862841985211198420519832121982166198112419801281979134197812919779219768819755819745719735119724819714019703219694219684519672419663219652419641619631319621219611419604195910195813195771956131955619544195381952519516195021949219481194741946219441194311941119402193811937119361193231927119261192311921419204191811913219003
Other cities in Ontario
60 largestCanada414,518Brampton228,443Markham109,527Scarborough97,839Richmond Hill84,702North York82,636Oakville72,630Ontario, Canada70,386Toronto59,059Etobicoke56,564Thornhill47,571Mississauga46,544Woodbridge44,560Ottawa43,087Concord33,202Vaughan30,797Barrie27,829Milton26,871Guelph25,042Ajax24,575Hamilton, Ontario Canada23,652Whitby22,989Newmarket20,910Hamilton18,637Aurora18,207Maple17,604Nepean17,317Kingston17,235Thunder Bay16,284Sudbury15,529Stoney Creek14,064London13,004Caledon12,536Willowdale12,130Kanata10,936Stouffville10,339Ancaster10,311Bolton9,546Downsview9,045Sault Ste Marie8,970Kitchener8,818Burlington8,725Sarnia8,643Orleans8,581Georgetown8,412Belleville7,841Oshawa7,718Alberta, Canada7,235North Bay7,187Windsor7,131Gloucester6,816Chatham6,600Unionville6,600Bradford6,523Welland6,381Cornwall6,380Collingwood6,277Orangeville6,263Orillia6,170Bowmanville6,076