Triunity Engineering & Management, Inc. Share: Engineering Triunity Engineering & Management, Inc. Visit Website Request Info 621 17th Street Suite 950 Denver, CO 80293 303.953.0320 Triunity Hours: 8:00am - 5:00pm MT About Map About The professionals at Triunity are committed to delivering best-in-class Systems Engineering and Project and Construction Management services for large rail, transit and transportation infrastructures. What's Nearby? Distance: 5 10 15 20 25 50 mi.