In 1963, the Guthrie Theater's first building began operating.
Landscape architects;Interior designers;Other consultants;Contractors who provide construction services and install building systems such as climate control, electrical, plumbing, decoration, fire protection, security and telecommunications;Marketing or leasing agents;Facility managers who are responsible for operating the building
 Especially in commercial buildings (such as offices or factories), these can be extremely intricate systems taking up large amounts of space (sometimes located in separate areas or double floors / false ceilings) and constitute a big part of the regular maintenance required

