031-03100 AIR CONDITIONING, HEATING, AND VENTILATING EQUIPMENT, PARTS AND ACCESSORIES | 031-03103 AIR CONDITIONERS SYSTEMS, COMMERCIAL AND INDUSTRIAL, INCLUDING PARTS AND ACCESSORIES, (NOT OTHERWISE CLASSIFIED) | 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) | 031-03144 FILTERS, AIR CONDITIONING AND FURNACE, PERMANENT TYPE | 031-03151 FURNACES, CENTRAL HEATING TYPE, FORCED AIR, GAS FIRED | 740-74000 Refrigeration Equipment And Accessories | 740-74024 Condensing Units | 740-74030 Display Cases, Refrigerated | 820-82000 Steam And Hot Water Boilers And Steam Heating Equipment | 910-91026 FURNACE MAINTENANCE AND REPAIR SERVICES | 936-93667 Refrigeration Equipment Maintenance And Repair | 941-94155 HVAC SYSTEMS, POWER PLANT, MAINTENANCE AND REPAIR | C-00020 AIRBALANCING & TESTING OF ENVIRONMENTAL SYSTEMS | C-00690 HVAC | C-00940 OIL AND GAS BURNERS | C-01250 REFRIGERATION | C-01520 SHEET METAL (MECHANICAL)
031-03117 COILS, CHILLED OR HEATED WATER, AND DIRECT EXPANSION | 031-03130 Dehumidifiers And Humidifiers | 031-03143 Filter Coating, Adhesive, Coil Cleaners, Degreasing Solvents, Etc. | 031-03144 FILTERS, AIR CONDITIONING AND FURNACE, PERMANENT TYPE | 031-03145 FILTERS, AIR CONDITIONING AND FURNACE, DISPOSABLE TYPE | 031-03191 UNIT HEATERS, ELECTRIC, DUCT AND SUSPENDED TYPES | 110-11074 V-Belts, Automotive Fan And Generator | 110-11082 V-Belts, Industrial | 110-11090 V-Belts, Fractional Horsepower | 370-37023 Grease, Usda Approved For Food Processing | 405-40524 Grease, Lubrication Type | 820-82036 Coils, Steam Heating | 910-91000 Building Maintenance, Installation And Repair Services | C-01660 SUPPLIER - BUILDING MATERIALS
918-91800 Consulting Services | 962-96224 COURIER/DELIVERY SERVICES, INCLUDING AIR COURIER SERVICES) | 962-96286 TRANSPORTATION OF GOODS, SHIPPING AND HANDLING, AND OTHER FREIGHT SERVICES
010-01011 Adhesives And Cements, Acoustical Tile | 918-91867 HUMAN SERVICES CONSULTING, INCLUDING MENTAL HEALTH CONSULTING | C-00020 AIRBALANCING & TESTING OF ENVIRONMENTAL SYSTEMS