Newmarket and surrounding areas in York Region. Advertising Agencies Newmarket and surrounding areas in York Region. Advertising Agencies Search | Advanced Search | New Members | Coupons and Discounts | All Categories Sort alphabetically by... Name City Pattison Outdoor Advertising _ 500 - 2700 Matheson Blvd. E., West TowerMississauga, ON L4W 4V9 Shayne Hill (905) 282-6991 Learn More | Visit Site | View on Google Maps Addison Marketing Solutions _ 235 Industrial Parkway SouthAurora, ON L4G 3V5 Eric Harbottle (416) 795-7517 Learn More | Visit Site | View on Google Maps If your business isn't here, contact us today to get listed!