Category 1: Electrician Services – Provides electrician services in a variety of areas to include but not limited to, installation of new electrical components, maintenance and repair of existing infrastructure, solar, lighting, and related devices. Category 2: Plumbing Services – Plumbing services not limited to, gas, drainage, backflow, water heaters (related HVAC), storage tanks, fixtures, pumps, and energy efficiency equipment. Category 3: Excavation Services – Services involving but not limited to, site preparation for construction, landscaping and maintenance of an area consisting of dirt, rocks, trees and more; typically using a wide range of heavy machinery. Category 4: General Contracting Services –Full-service line of general contracting (GC) services related to the installation, construction, demolition, roof repairs, masonry, maintenance of a structure, project, and related work. Category 5: HVAC Services – Providing equipment and service to all elements of heating, ventilation, and air conditioning to include sheet metal fabrication related to HVAC.