- Town of Newmarket
Official site, with calendar of events, town hall, resident services, and more.
- Resurgence Theatre Company
Founded to resurge the classics and ignite new and contemporary works within York Region and beyond with a strong focus on utilizing the surging energy of emerging professional artists.
- Newmarket Hurricanes (1)
- Heaven and Earth
Retailer of inspirational gifts and jewelry.
- FoR BRo Motorcycle Trailers
Offers utility/cargo trailers to tow behind your motorcycle.
- H. J. Pfaff Motors
Selling and servicing Volkswagen, Audi, and Porsche for over 30 years in Canada.
- Buck A Day Company
Sells home computers, electronics, and appliances.
- Newmarket Minor Hockey Association (NMHA)
- Newmarket Online
Guide to historic downtown and main street area for shopping, history, and more.
- Riverwood Publishers Ltd.
Canadian book publisher and distributor.
- Master Financial Planning Services
Fundraising, planned giving and stewardship.
- Newmarket Minor Softball Association (NMSA)
Governs all levels and divisions of minor youth softball.
- Foundations Private School
K-8 private school with a back to basics approach, focusing on computers, phonics, language, and math.
- Liptons Home Entertainment
Offers home electronics and related services.
- Anderson Insight Realty Inc.
Specializing in luxury homes.
- Ponting's Karaoke
Offers equipment rentals and DJ services, with music available on cassette, CD+G, and CDV.
- Newmarket Horticultural Society (NHS)
Includes upcoming events, newsletter notes, photographs, schedule for the junior programme, and membership information.
- Kids Shoppe, The
Featuring Thomas the Tank and all his friends. Also a selection of Galt educational toys plus felt Kids.
- OnsitePro Computer Services Inc.
Provides on-site computer services, support, and sales to home and small business customers.