Business consulting, management, and planning services in the field of operations management services, personnel, logistics, reverse logistics, and production systems; Business management and consultation regarding in-house building cleaning programs; Business services, namely, registering, screening and verifying the credentials of third-party vendors, suppliers and contractors on behalf of others; Consulting services in the area of sustainable business solutions; Consulting services in the field of energy efficiency for commercial and institutional facilities

Air conditioning contractor services; Air duct cleaning services; Bio-hazard biological clean-up services; Boiler cleaning and repair; Building maintenance and repair; Burner maintenance or repair; Carpet and rug cleaning; Carpet cleaning; Cleaning of building exterior surfaces; Cleaning of buildings; Cleaning of commercial premises; Cleaning of external surfaces of buildings; Cleaning of facades; Cleaning of industrial premises; Cleaning of residential houses; Comprehensive preventative maintenance service for electrical systems; Consultation in the field of physical maintenance of interior and exterior building surfaces, HVAC, boiler, plumbing, electrical, and heating systems; Contractor services, namely, review of and remedial recommendations for building plumbing, electrical and mechanical systems for others; Drywall and painting contractor services; Electrical contractor services; General building contractor services; General contractor services, namely, plumbing, heating and air conditioning, carpentry, drywall, painting, electrical, building and framing contractor services; Heating contractor services; HVAC contractor services; Janitorial services; Maintenance and repair of buildings; Maintenance and repair of heating installations; Maintenance of interior and exterior building surfaces, HVAC, boiler, plumbing, electrical, and heating systems; Medical waste disposal; Medical waste, blood and bodily fluid cleaning and disposal services; Painting contractor services; Paving contractor services; Pest control for commercial buildings; Plumbing contractor services; Plumbing maintenance advisory services; Power washing services; Pressure washing services; Repair or maintenance of boilers; Rug cleaning; Snow removal services; Waste disposal for others; Window cleaning