H&S CONSTRUCTION & MECHANICAL, INC.

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) | 031-03106 AIR CONDITIONING AND HEATING CENTRAL AIR SYSTEMS, INCLUDING PARTS AND ACCESSORIES, (NOT OTHERWISE CLASSIFIED) | 031-03111 BLOWERS, INDUSTRIAL TYPES | 031-03125 CONTROLS, LIMIT SWITCHES, RELAYS, THERMOSTATS, GAS VALVES, ETC. | 031-03128 COOLING TOWERS, FORCED AIR, GRAVITY, ETC. | 031-03134 Dust Collectors, Industrial Type | 031-03136 ELECTRONIC AIR CLEANERS, ELECTROSTATIC PRECIPITATORS, OZONATORS, INCLUDING PARTS AND ACCESSORIES | 031-03140 FANS, INDUSTRIAL TYPES: ATTIC, EXHAUST, FORCED DRAFT, ETC., INCLUDING FAN BLADES AND FAN PARTS | 031-03144 FILTERS, AIR CONDITIONING AND FURNACE, PERMANENT TYPE | 031-03145 FILTERS, AIR CONDITIONING AND FURNACE, DISPOSABLE TYPE | 031-03151 FURNACES, CENTRAL HEATING TYPE, FORCED AIR, GAS FIRED | 031-03160 HEATERS, GAS-FIRED: SPACE, ALL TYPES, INCLUDING PARTS AND ACCESSORIES | 031-03178 ROOF VENTILATORS, POWER DRIVEN, INCLUDING REFURBISHED TYPES | 031-03179 ROOF VENTILATORS, WIND DRIVEN, INCLUDING REFURBISHED TYPES | 031-03182 Stoves, Wood Or Coal | 031-03196 Vent Pipes, Fittings, And Accessories | 659-65900 Pipe And Tubing Fittings | 670-67089 Water Heater, Residential | 670-67091 Water Heaters, Commercial | 820-82008 Boilers, High Pressure | 820-82012 Boilers, Low Pressure | 820-82038 Condensate Return Systems: Vacuum Heat Pumps, Wet Vacuum Pumps, Etc. | 906-90638 GENERAL CONSTRUCTION, ARCHITECTURAL SERVICES | 910-91036 HEATING, AIR CONDITIONING, AND VENTILATION MAINTENANCE, REPAIR AND INSTALLATION SERVICES | 912-91200 CONSTRUCTION SERVICES, GENERAL, INCLUDING MAINTENANCE AND REPAIR SERVICES) | 913-91319 CONSTRUCTION, CURB AND GUTTER, INCLUDING MAINTENANCE, REPAIR, AND REMOVAL SERVICES | 913-91347 CONSTRUCTION, SIDEWALK AND DRIVEWAY, INCLUDING PEDESTRIAN AND HANDICAP RAMPS | 913-91394 PAVING AND RESURFACING, ALLEY AND PARKING LOT | 913-91395 PAVING AND RESURFACING, HIGHWAY AND ROAD | 913-91396 PAVING AND RESURFACING, STREETS, MAJOR AND RESIDENTIAL | 914-91427 Carpentry | 914-91450 Heating, Ventilating And Air Conditioning (Hvac) | 914-91473 Roofing And Siding | 925-92507 AIR CONDITIONING ,HEATING AND VENTILATING ENGINEERING | 934-93464 PLUMBING EQUIPMENT AND FIXTURES MAINTENANCE AND REPAIR | C-00090 BOILERS (NEW/REPAIR) | C-00110 BRIDGE AND BLOCK | C-00180 CARPENTRY (GENERAL) | C-00249 CONCRETE FOUNDATION, FOOTINGS/MASONRY WORK | C-00260 CONCRETE PAVEMENT | C-00261 CONCRETE PRECAST | C-00290 CONTROL SYSTEMS | C-00420 ELECTRICAL | C-00590 GENERAL CONSTRUCTION | C-00600 ALTERATIONS AND ADDITIONS | C-00690 HVAC | C-00750 INSULATION/MECHANICAL | C-00870 MECHANICAL CONSTRUCTION | C-00871 MILLWORK | C-00960 PAINTING | C-00980 PAINTING - GENERAL (BUILDINGS) | C-01110 PLUMBING | C-01480 SEWER PIPING & STORM DRAINS | C-01520 SHEET METAL (MECHANICAL) | C-01610 SPRINKLER SYSTEMS | C-02140 FIRE DETECTION SYSTEMS | C-02150 FIRE PROTECTION ENGINEERING | C-02160 FIRE PROTECTION SYSTEMS