CORE 4 Engineering was founded by Matthew Christianson, P.E., S.E. in late 2013 with a goal of creating an engineering firm that works with architects, contractors and building owners by listening to their needs and project vision, and executing that vision. CORE 4 has since assembled a team of experienced engineers, designers and support staff that
Fredericksen Engineering is a Consulting Engineering firm providing Heating, Ventilating and Air Conditioning Design Services with successful projects throughout the United States. Our goal is a satisfied client and we strive daily to achieve that goal. Our client list includes Architects, Owners, Municipalities, County Governments, School Districts