Triunity Engineering & Management, Inc. Share: Electrical Engineering Triunity Engineering & Management, Inc. Visit Website 801 Second Ave Ste 831 Seattle, WA 98104 (253) 447-7319 (720) 367-5234 (fax) About Map About ELECTRICAL ENGINEERING, PROJECT CONTROLS AND CONSTRUCTION MANAGEMENT SERVICES. What's Nearby? Distance: 5 10 15 20 25 50 mi.
