In order to be established as a quality General Contractor it’s imperative that we create long lasting relationships with quality people, businesses and corporations. Listed below are some of the names that adorn Happel & Associates resume.

• Audobon Society of Denver
• United States Postal Service
• CH2MHill
• Coors Brewing Company
• Vaisala
• Parson
• United States Air Force
• Temple Inland
• Credit Union of Colorado
• Texaco
• Yum Brands (Pizza Hut, A&W, KFC)
• United States Postal Service/ Office of Inspector General

• Master Tech Services
• Golden Urban Renewal Authority
• City of Golden
• City of Broomfield
• Jacobs Engineering
• First Presbyterian Church 
• Paxis Pharmaceuticals
• Universal Mind, Inc.
• Washington Station Lofts, LLC
• Nexcore Group
• Regis University