Electro Watchman, Inc. Share: Security/Surveillance Systems & ServicesSecurity/Surveillance Systems & Services Electro Watchman, Inc. Visit Website 4715 19th St SE Mandan, ND 58554-4825 (701) 258-6169 (800) 371-6169 258-9607 (fax) About Rep Info Map About Sales and service of burglar alarms, fire alarms, access control systems, closed circuit TV Whom to Contact Rachelle Johnson District Manager What's Nearby? Distance: 5 10 15 20 25 50 mi.