031-03100 AIR CONDITIONING, HEATING, AND VENTILATING EQUIPMENT, PARTS AND ACCESSORIES | 031-03102 AIR CONDITIONING UNITS, PORTABLE OR ROOM AC UNITS, COMPUTER ROOMS, HOSPITAL ROOMS, SPORTING EVENTS, ETC. | 031-03104 AIR CONDITIONERS: CONTROLLED ENVIRONMENT, COMPUTER ROOMS, ETC., INCLUDING PARTS AND ACCESSORIES, (NOT OTHERWISE CLASSIFIED) | 031-03105 AIR CONDITIONING AND HEATING SYSTEMS, WINDOW AND WALL MOUNTED, DUCTLESS, INCLUDING PARTS AND ACCESSORIES, (NOT OTHERWISE CLASSIFIED) | 031-03106 AIR CONDITIONING AND HEATING CENTRAL AIR SYSTEMS, INCLUDING PARTS AND ACCESSORIES, (NOT OTHERWISE CLASSIFIED) | 031-03118 Coil And Fan Units, Air Conditioning | 031-03133 Duct, Fabricated, Metal | 031-03151 FURNACES, CENTRAL HEATING TYPE, FORCED AIR, GAS FIRED | 031-03193 UNIT HEATERS, GAS-FIRE, RADIANT AND INFRARED, PORTABLE AND STATIONARY | 557-55705 Air Conditioning, Heating And Ventilation | 570-57054 SHEET METAL, FABRICATED, CUSTOM-MADE SHEET METAL ITEMS | 820-82000 Steam And Hot Water Boilers And Steam Heating Equipment | 910-91036 HEATING, AIR CONDITIONING, AND VENTILATION MAINTENANCE, REPAIR AND INSTALLATION SERVICES | 910-91042 KITCHEN AND BATHROOM FIXTURE REPAIR SERVICES, NOT PLUMBING: BATHTUBS, SINKS, CABINETS, COUNTER TOPS, ETC. | 910-91054 PAINTING, MAINTENANCE AND REPAIR SERVICES, INCLUDING CAULKING | 910-91065 REMODELING AND ALTERATION SERVICES | 911-91180 HEAT | 914-91450 Heating, Ventilating And Air Conditioning (Hvac) | 941-94155 HVAC SYSTEMS, POWER PLANT, MAINTENANCE AND REPAIR | 953-95322 BOILER INSURANCE | 998-99852 Heating, Air Conditioning, Ventilating & Refrigeration Equipment | C-00090 BOILERS (NEW/REPAIR) | C-00180 CARPENTRY (GENERAL) | C-00290 CONTROL SYSTEMS | C-00401 DUST COLLECTORS | C-00440 ENERGY MANAGEMENT SYSTEMS | C-00590 GENERAL CONSTRUCTION | C-00690 HVAC | C-00740 INSULATION | C-00750 INSULATION/MECHANICAL | C-00870 MECHANICAL CONSTRUCTION | C-00940 OIL AND GAS BURNERS | C-01250 REFRIGERATION | C-01520 SHEET METAL (MECHANICAL)
204-20447 INTEGRATED HARDWARE-SOFTWARE I.T. SOLUTION, MICROCOMPUTER | 208-20800 COMPUTER SOFTWARE FOR MICROCOMPUTERS, SYSTEMS, INCLUDING CLOUD-BASED (PREPROGRAMMED) | 208-20811 APPLICATION SOFTWARE, (NOT OTHERWISE CLASSIFIED), MICROCOMPUTER | 208-20837 DATABASE SOFTWARE, MICROCOMPUTER | 208-20845 EXPERT SYSTEM SOFTWARE, MICROCOMPUTER | 208-20853 INTEGRATED SOFTWARE, MICROCOMPUTER | 208-20880 Software, Microcomputer (Not Otherwise Classified) | 209-20912 APPLICATION SOFTWARE, MAINFRAME COMPUTER, INCLUDING COBOL | 209-20938 DATABASE SOFTWARE, MAINFRAMES AND SERVERS | 209-20946 EXPERT SYSTEM SOFTWARE, MAINFRAMES AND SERVERS | 209-20954 INTERNET, WEB SITE AND MOBILE APPLICATION SOFTWARE, MAINFRAMES AND SERVERS | 920-92000 Data Processing, Computer, Programming, And Software Services | 920-92003 APPLICATION SERVICE PROVIDER (ASP), WEB BASED HOSTED | 920-92004 APPLICATIONS SOFTWARE, MAIN FRAME SERVER SYSTEMS | 920-92005 APPLICATION, INFRASTRUCTURE, HOSTING AND CLOUD COMPUTING SERVICES, VENDOR HOSTED AND INTERNALLY HOSTED | 920-92007 APPLICATIONS SOFTWARE FOR MICROCOMPUTER SYSTEMS: BUSINESS, MATHEMATICAL AND STATISTICAL, MEDICAL, SCIENTIFIC, ETC. | 920-92037 NETWORKING SERVICES, INCLUDING INSTALLATION, SECURITY, AND MAINTENANCE | 920-92040 PROGRAMMING SERVICES, COMPUTER, INCLUDING MOBILE DEVICE APPLICATIONS | 920-92076 TESTING OF SYSTEMS INFRASTRUCTURE, COMPONENTS OR SOFTWARE, IT SERVICES