Newmarket, East Gwillimbury and surrounding areas in York Region. Security Systems/Services Newmarket, East Gwillimbury and surrounding areas in York Region. Security Systems/Services Search | Advanced Search | New Members | Coupons and Discounts | All Categories Sort alphabetically by... Name City Michael Sheridan Communications Inc. _ 202 - 1201 Nicholson Rd.Newmarket, ON L3Y 9C3 Mr. Michael Sheridan (905) 967-0830 (866) 967-0830 We Design, Install & Service Commercial CCTV & Access Control Systems. Learn More | Visit Site | View on Google Maps Fortress Solutions _ 14-3650 Langstaff RdVaughan, ON L4L 9A8 Steve Danelon (647) 250-7421 Video Monitoring Solutions Learn More | Visit Site | View on Google Maps Northern Alarm Protection _ 556 Edward Avenue, Unit 69Richmond Hill, ON L4C 9Y5 (905) 883-0215 Learn More | Visit Site Detect Investigations _ 9 - 1211 Gorham St.Newmarket, ON L3Y 8Y3 Kathy Cuddahee (416) 253-1796 Learn More | View on Google Maps If your business isn't here, contact us today to get listed!