Structure of NAICS Code 23 - Construction

236115-01 - Construction Information Services 236115-02 - Construction-Building Contractors 236115-05 - General Contractors 236115-06 - Home Builders 236115-08 - Timber Frame Homes 236115-09 - Chinking 236115-11 - Earth Home Construction 236115-12 - Construction Companies 236115-13 - Laser Construction 236115-14 - Courts Construction-Indoor & Outdoor 236115-16 - Home Building Consultants 236115-17 - Home Builders-Modular

236116-01 - Contractors-Boarding & Housing

236117-01 - Operative Builders 236117-02 - Contractors-Panelized Homes

236118-01 - Attic & Basement Finishing 236118-02 - Basement Repair & Restoration 236118-03 - Bathroom Remodeling 236118-04 - Cabinets-Resurfacing & Refinishing 236118-05 - Carports 236118-06 - Closets-Designing & Remodeling 236118-07 - Deck Builders 236118-08 - Designers 236118-09 - Disability Accessibility Renovations 236118-10 - Dormer Construction 236118-11 - Dry Rot Repair 236118-12 - Enclosures 236118-13 - Fire Damage Restoration 236118-15 - Handyman Services 236118-16 - Home Improvements 236118-17 - Kitchen Remodeling & Planning Service 236118-18 - Mobile Homes-Improvements 236118-19 - Mobile Homes Repairing & Service 236118-20 - Mobile Offices & Coml Units Repairing 236118-21 - Patio & Deck Builders 236118-22 - Patio Porch & Deck Enclosures 236118-23 - Remodeling & Repairing Bldg Contractors 236118-24 - Residential Designers 236118-25 - Screen Enclosures 236118-27 - Solar Rooms & Additions 236118-28 - Solariums Sunrooms & Atriums 236118-29 - Spas-Builders 236118-30 - Sun Rooms Solariums Atriums Etc Bldrs 236118-31 - Water Damage Restoration-Residential 236118-33 - Termite Damage Restoration 236118-35 - Contractors-Interior Furnishings 236118-36 - General Contractors-Residential Buildings 236118-37 - Home Improvement Resource Guide 236118-38 - Trusses Repair 236118-39 - Bathroom Design & Installation 236118-40 - Contractors-Design & Development 236118-41 - Outdoor Rooms & Living 236118-42 - Sauna Contractors 236118-43 - Garage Builders 236118-44 - Gazebo Builders 236118-45 - Storm Shelter Contractors & Dealers 236118-46 - Office Renovation Service

236210-01 - Contractors-Industrial & Commercial 236210-02 - Designers-Industrial 236210-03 - General Contractors-Industrial Buildings & Warehouse 236210-04 - Sewage Treatment Plant Contractors

236220-01 - Airport Designers 236220-02 - Barns 236220-03 - Basketball Court Construction 236220-04 - Builders Service 236220-05 - Building Contractors 236220-06 - Building Restoration & Preservation 236220-07 - Structures Air Supported 236220-08 - Buildings-Metal 236220-09 - Buildings-Metal Repairing 236220-10 - Buildings-Pole 236220-11 - Buildings-Portable 236220-12 - Buildings-Pre-Cut Prefabricated/Modular 236220-13 - Church Builders 236220-14 - Clean Rooms-Installation & Equipment 236220-15 - Construction Site Clean-Up Services 236220-16 - Contractors-Specialty 236220-17 - Dome Structures 236220-18 - Farm Buildings 236220-19 - Gate & Fence Repair 236220-20 - General Contractors-Nonresidential Buildings 236220-21 - Grain Bins 236220-22 - Greenhouse Builders 236220-23 - Horse Farm-Building & Construction 236220-24 - Feed Lot Construction 236220-25 - Motion Picture Set Design & Construction 236220-26 - Office Remodeling 236220-27 - Parking Stations & Garages Construction 236220-28 - Partitions (Retail) 236220-29 - Restaurant Design & Planning Service 236220-30 - Service Station Builders 236220-31 - Sheds-Tool & Utility 236220-32 - Silos 236220-34 - Store Fronts 236220-35 - Jails-Builders 236220-36 - Building Systems & Components 236220-37 - Floors-Raised 236220-38 - Grain Elevators-Builders 236220-39 - Grain Elevators Repairing 236220-40 - Swimming Pool Contractors Dealers & Designers 236220-41 - Swimming Pool Repair & Service 236220-42 - Swimming Pool Enclosures 236220-43 - Nursing Homes Construction & Management Consultants 236220-44 - Underground Buildings 236220-45 - Grain Bin Contractors 236220-46 - Hotel Renovation 236220-47 - Maintenance Contractors 236220-48 - Agricultural Construction 236220-49 - Buildings-Factory 236220-50 - Contractors-Green Building

237110-02 - Drilling & Boring Contractors 237110-03 - Water Systems 237110-04 - Water Well Abandonment Service 237110-05 - Water Well Drilling & Service 237110-06 - Water Well Locating 237110-07 - Water Wheels 237110-08 - Well Contractors-Artesian 237110-09 - Well Drilling 237110-10 - Well Pumps 237110-11 - Sewer Construction Consultants 237110-12 - Sewer Contractors 237110-14 - Water Main Contractors 237110-15 - Water-Sewer Pipeline & Comms/Power Line 237110-16 - Sea Wall Contractors 237110-17 - Trenching & Underground Contractors 237110-18 - Drainage Contractors 237110-19 - Dredging 237110-20 - Erosion Control 237110-21 - Flood Control Equipment 237110-22 - Water Pollution Control 237110-23 - Irrigation Ditch Contractors 237110-25 - Hydrofracture Services 237110-26 - Water Lines Installation Replacement Repair 237110-27 - Water Well Maintenance Contractors 237110-28 - Water Towers 237110-29 - Propane Supply Lines Installation & Service

237120-01 - Oil Well Casing-Pulling 237120-02 - Oil Well Cementing 237120-03 - Oil Well Logging & Perforating 237120-04 - Riggers 237120-05 - Gas Line Installation & Repair 237120-06 - Gasoline Service Station Equipment Installing 237120-07 - Pipe Line Contractors 237120-08 - Piping Contractors 237120-11 - Corrosion Control 237120-12 - Oil Well Pumping Contractors 237120-13 - Oil Tanks Repairing & Removal

237130-01 - Cable Conduit & Pole-Contractors 237130-02 - Cable Detection Installation & Splicing 237130-03 - Cable Television Systems-Contractors 237130-04 - Conduit Contractors 237130-05 - Contractors-Post Tensioning 237130-06 - Fiber Optics 237130-07 - Pole Line Contractors 237130-08 - Power & Telephone Line Constr/Maintenance 237130-09 - Telephone & Television Cable Contractors 237130-10 - Telecommunications Wiring & Cabling 237130-11 - Towers-Radio 237130-12 - Towers-Communication/Municipal Repair 237130-13 - Underground Wire & Cable Laying Contractors 237130-14 - Utility Contractors 237130-15 - Wiring & Cabling-Home & Office-Voice 237130-16 - Construction-Telecommunications 237130-17 - Power Plant Contractors 237130-18 - Water Works Contractors 237130-20 - Pole Inspectors 237130-21 - Co-Generation 237130-22 - Utilities-Underground-Cable Locating Service 237130-23 - Wind Power

237210-01 - Hotel & Motel Developers 237210-02 - Land Companies 237210-03 - Mobile Homes & Trailers-Parks Designers 237210-04 - Mobile Homes-Park Developers 237210-05 - Real Estate Developers 237210-06 - Property Management-Commercial 237210-07 - Housing Developers

237310-01 - Asphalt & Asphalt Products 237310-02 - Contractors-Parking/Highway Improvement 237310-03 - Driveways-Sealers 237310-04 - Grading Contractors 237310-05 - Oils-Asphalt & Road 237310-07 - Parking Area/Lots Maintenance & Marking 237310-08 - Pavement Marking 237310-09 - Pavement Sealing 237310-10 - Paving Contractors 237310-11 - Paving Materials 237310-12 - Road Building Contractors 237310-13 - Road Maintenance 237310-14 - Road Oiling 237310-15 - Traffic & Zone Marking Service 237310-16 - Concrete Resurfacing 237310-17 - Bridge Builders 237310-18 - Bridge Tunnel & Elevated Highway 237310-19 - Road Boring 237310-20 - Stripe Painters 237310-21 - Stripers-Mechanical 237310-22 - Sinkhole Consultants & Repair 237310-23 - Board Roads 237310-24 - Curb Numbering & Marking 237310-25 - Guard Rails

237990-01 - Culverts 237990-02 - Tunneling Contractors 237990-03 - Construction-Heavy Projects 237990-04 - Golf Course Construction 237990-05 - Mine Shaft Contractors 237990-07 - Railroad Contractors 237990-09 - Tennis Court Construction 237990-10 - Mobile Homes-Anchoring Service 237990-11 - Retaining Walls 237990-12 - Construction Management 237990-13 - Construction Reports 237990-14 - Builders-Construction Control Service 237990-15 - Construction Consultants 237990-17 - Sports-Athletic Field Construction-Maintenance 237990-19 - Caissons-Structural 237990-20 - Dockboards & Ramps 237990-21 - Docks (Builders) 237990-22 - Fish Pools 237990-23 - Pile Driving 237990-24 - Lake & Pond Construction & Maintenance 237990-25 - Floors-Sports 237990-26 - Race Tracks-Consultants 237990-28 - Rivers & Canals 237990-29 - Tennis Court Enclosures 237990-30 - Skateboard Park Construction

238110-01 - Concrete Contractors 238110-02 - Concrete Pumping Service 238110-03 - Driveways 238110-04 - Floors-Industrial 238110-05 - Gunite Contractors 238110-06 - Machine Foundations 238110-07 - Sidewalk Contractors 238110-08 - Concrete Foundations

238120-01 - Concrete Post Tensioning 238120-02 - Steel Detailers-Reinforcing 238120-03 - Steel Detailers-Structural 238120-04 - Steel Erectors 238120-05 - Steel Reinforcing 238120-06 - Structural Steel Contractors

238130-01 - Framing Contractors-Buildings 238130-02 - Steel Frame Contractors 238130-03 - Patio Doors-Suppliers & Installers

238140-01 - Buildings-Concrete 238140-02 - Chimney Builders & Repairers 238140-03 - Fireplaces Repaired 238140-04 - Foundation Repair 238140-05 - Marble Contractors 238140-06 - Masonry Contractors 238140-07 - Masonry Panels-Prefabricated 238140-08 - Memorial Restoration & Preservation 238140-09 - Pointing-Brick/Stone & Etc 238140-10 - Sporting Goods-Installation 238140-11 - Stone Contractors 238140-12 - Stone Setting Contractors 238140-13 - Stone-Building 238140-14 - Tuck Pointing Equipment & Supplies 238140-15 - Rock Wall Construction & Repair 238140-16 - Stone Instltn Service-Natural Granite/Marble 238140-17 - Adobe Materials & Contractors 238140-18 - Stucco Contractors

238150-01 - Curtain Walls 238150-02 - Glass Repairing 238150-03 - Glaziers 238150-05 - Storm Windows & Doors Repairing 238150-06 - Windows Repairing 238150-07 - Safety Glazing 238150-08 - Glass Tinting & Coating/Residential & Commercial

238160-01 - Ceilings 238160-02 - Coppersmiths 238160-03 - Flashing-Wall & Roof & Etc 238160-04 - Gutters & Downspouts 238160-05 - Metal Roofing Contractors 238160-06 - Mobile Homes-Roofing & Roof Covering 238160-07 - Roof Coating 238160-08 - Roof Decks 238160-09 - Roof Inspection Service 238160-10 - Roof Maintenance 238160-11 - Roof Structures 238160-12 - Roof-Screen Support Systems 238160-13 - Roofing Consultants 238160-14 - Roofing Contractors 238160-15 - Roofing Siding & Sheet Metal Work 238160-16 - Tinning 238160-17 - Fascias & Soffits

238170-02 - Siding Contractors

238190-02 - Building Specialties 238190-03 - Columns 238190-04 - Erecting Contractors 238190-05 - House Raising 238190-06 - Shoring 238190-08 - House Leveling 238190-09 - Patio & Deck Cleaning & Restoration 238190-10 - Concrete-Forms-Erectors

238210-01 - Cable/Wire-Installation-Voice/Data Syst 238210-02 - Communications Contractors 238210-04 - Commutators 238210-05 - Data Communications Systems-Cabling 238210-06 - Electric Cable Fault Locating 238210-07 - Electric Contractors 238210-08 - Electric Contractors-Coml & Industrial 238210-09 - Electric Contractors-Marine 238210-10 - Electrical Designers 238210-11 - Electronic Analysis 238210-12 - Electronic Control Systems 238210-13 - Factory Maintenance 238210-14 - Fiber Optics-Services 238210-15 - Fire Suppression 238210-16 - Home Automation Systems 238210-17 - Installation Service 238210-18 - Landscape Lighting 238210-19 - Lightning Protection Equipment 238210-20 - Load Controllers 238210-21 - Low Voltage Systems Contractors 238210-22 - Pay Telephones & Booths Equipment & Service 238210-23 - Street Lighting Contractors 238210-24 - Telecommunications Contractors 238210-25 - Telecommunications Equipment 238210-26 - Teleconferencing Equipment 238210-27 - Telephone-Installations 238210-28 - Time Locks 238210-29 - Oil Field Electric Service 238210-30 - Elevators-Telephone Systems 238210-31 - Geothermal Htg/Cooling Equipment Systs-Dlrs 238210-32 - Refrigerant Recovery 238210-33 - Refrigeration Contractors 238210-35 - Snow Melting Systems 238210-36 - Tank Installation 238210-37 - Thawing Service 238210-38 - Mechanical Contractors 238210-40 - Cable & Satellite-Wiring & Installation 238210-41 - Heating & Combustion Consultants 238210-42 - Sound & Entertainment 238210-43 - Pet Containment Systems

238220-01 - Air Balancing 238220-02 - Air Conditioning Contractors & Systems 238220-03 - Air Conditioning Equipment Test & Balancing 238220-05 - Air Pollution Control 238220-07 - Boilers-Inspection 238220-08 - Boilers Repairing & Cleaning 238220-09 - Cooling Systems-Machine 238220-10 - Cooling Towers 238220-11 - Duct Systems-Air Conditioning & Heating 238220-12 - Plumbing Contractors Referral Service 238220-13 - Energy Management Systems & Products 238220-14 - Furnaces Repairing & Cleaning 238220-15 - Gas Burners-Service 238220-16 - Gas Fitters 238220-17 - Gas Furnaces 238220-18 - Grease Traps & Sand Traps-Service 238220-19 - Heat Pumps 238220-20 - Heating Contractors 238220-21 - Heating Specialties 238220-22 - Heating Systems-Cleaning & Repairing 238220-23 - Humidifying Apparatus 238220-24 - Slab Leaks 238220-25 - Plumbing Contractors 238220-26 - Plumbing Drains & Sewer Consultants 238220-27 - Plumbing Heating & Air Conditioning 238220-28 - Fire Sprinkler Systems Installation 238220-29 - Radiant Heating & Cooling Systems 238220-30 - Sheet Metal Work Contractors 238220-32 - Solar Heating Contractors 238220-33 - Solar Heating Systems 238220-34 - Steam Fitters 238220-35 - Ventilating Contractors 238220-36 - Blowers & Blower Systems 238220-38 - Pipe & Leak Locating 238220-39 - Sewer & Drain Cleaning-Service Repair 238220-40 - Heating Systems Alternative 238220-41 - Clothes-Dryer-Venting-Installation-Coml 238220-42 - Instruments-Industrial Repairing 238220-43 - Tools-Pneumatic Repairing 238220-44 - Soldering Service 238220-45 - Leak Detecting Service 238220-46 - Pipe Thawing 238220-47 - Pipe-Sealing Service-Industrial 238220-48 - Piping-Process & Industrial 238220-49 - Air Duct Sealing 238220-50 - Commercial Equipment-Installation 238220-51 - Lift Station Maintenance & Repair 238220-52 - Sump Pump Service & Repair

238290-01 - Dumbwaiters 238290-02 - Elevator Cars-Refinishing 238290-03 - Elevators-Portable 238290-04 - Elevators Repairing 238290-05 - Elevators-Sales & Service 238290-06 - Installation Or Erection-Bldg Equipment NEC 238290-07 - Machinery-Movers & Erectors 238290-08 - Millwrights 238290-09 - Pneumatic Tube Equipment & Systems 238290-11 - Elevator & Escalator Inspection Service 238290-12 - Conveyors & Conveying Equipment Installation 238290-13 - Tank Abandonment Service 238290-14 - Laboratory Equipment & Supplies Installation 238290-15 - Medical Equipment Installation 238290-16 - Bowling Lane Refinishing & Repairing 238290-17 - Pipe & Boiler Covering Contractors 238290-20 - Service Station Equipment-Installing 238290-21 - Service Station Equipment-Servicing 238290-22 - Steeple Jacks 238290-23 - Steeples & Spires 238290-24 - Tank Removal 238290-26 - Tanks Repairing 238290-27 - Computer Rooms-Installation & Equipment 238290-28 - Hoisting & Rigging Service 238290-29 - Satellite Installation

238310-01 - Acoustical Contractors 238310-02 - Acoustical Materials 238310-03 - Dry Wall Contractors 238310-04 - Grouting Contractors 238310-05 - Insulation Consultants 238310-06 - Insulation Contractors-Cold & Heat 238310-07 - Lathing Contractors 238310-08 - Metal Ceilings 238310-09 - Plastering Contractors 238310-10 - Plastering-Ornamental 238310-11 - Pressure Grouting Contractors 238310-12 - Radiant Barriers 238310-13 - Spraying-Insulation 238310-14 - Stone & Brick-Simulated 238310-15 - Contractors Taping

238320-01 - Boat Painting & Lettering 238320-02 - Paint & Varnish Removal Service 238320-03 - Painters 238320-04 - Painting-Production 238320-05 - Porcelain Enamel Repairing/Refinishing 238320-06 - Ship Painting 238320-07 - Spray Painting & Finishing 238320-09 - Wall Coatings-Contractors 238320-10 - Wall Finishes 238320-11 - Wallpaper Removal Contractors 238320-12 - Wallpapers & Wallcoverings-Installation 238320-13 - Walls 238320-14 - Whitewashing 238320-15 - Graining (Paint/Stain) 238320-16 - Painting Contractors-Commercial & Ind 238320-17 - Painting-Electrostatic 238320-18 - Window Painting 238320-20 - Staining Contractors 238320-21 - Air Brushing

238330-01 - Carpet & Rug-Measuring Service 238330-02 - Carpet Layers 238330-03 - Concrete-Sound Insulating 238330-04 - Floor Armoring 238330-05 - Floor Coatings-Concrete 238330-06 - Floor Laying & Floor Work NEC 238330-07 - Floor Laying Refinishing & Resurfacing 238330-08 - Floor Refinishing & Resurfacing 238330-10 - Floors-Contractors & Builders 238330-12 - Linoleum Layers Equipment & Supplies 238330-13 - Racquetball Handball/Squash Crt Constr 238330-14 - Stairs-Resurfacing 238330-15 - Surface Preparation & Equipment 238330-16 - Tile-Non-Ceramic-Contractors & Dealers 238330-17 - Vinyl Layers (Installers) 238330-18 - Carpet & Rug Serging 238330-19 - Floor Safety Treatments 238330-20 - Floor Stenciling & Designing

238340-01 - Contractors-Tile 238340-02 - Mantels 238340-03 - Marble & Terrazzo-Cleaning & Service 238340-04 - Marble Vanity Tops 238340-05 - Tile-Ceramic-Contractors & Dealers

238350-01 - Building Finish 238350-02 - Cabinet Makers 238350-03 - Carpenters 238350-07 - Garage Doors Repairing 238350-10 - Varnishing & Gumming 238350-11 - Window Replacement 238350-12 - Wood Finishing & Refinishing Service 238350-13 - Woodworkers 238350-14 - Cabinet Installers 238350-15 - Counter Tops Restoration 238350-16 - Joiners 238350-17 - Contractors-Garage Doors

238390-01 - Cornices-Building 238390-02 - Skylights 238390-03 - Guards-Door & Window 238390-04 - Waterproofing Contractors 238390-05 - Weather Stripping Contractors 238390-06 - Caulking Contractors 238390-07 - Linings-Plastic Membrane & Etc 238390-08 - Flood Vents

238910-01 - Bulldozing 238910-02 - Site Development Contractors 238910-03 - Dirt Contractors 238910-04 - Dozer Service 238910-05 - Earth Energy 238910-06 - Excavating Contractors 238910-07 - Foundation-Contractors 238910-08 - Foundation-Drilling Contractors 238910-09 - Land Clearing & Leveling 238910-10 - Landfill Demolition 238910-11 - Ground Penetration Radar 238910-12 - Slabjacking Contractors 238910-13 - Concrete Breaking Cutting & Sawing & Etc 238910-14 - Demolition Consultants 238910-15 - Demolition Contractors 238910-16 - Smoke Stacks-Dismantling 238910-17 - Wrecker Bodies & Equipment 238910-18 - Gas Well Servicing 238910-19 - Oil & Gas Well Plugging 238910-20 - Hot Shot Service 238910-21 - Mud Jacking Contractors 238910-22 - Oil Extraction-Downhole 238910-23 - Oil Field Service 238910-24 - Oil Field Specialties 238910-26 - Oil Well Drilling Mud & Additives 238910-27 - Oil Well Surveyors 238910-28 - Oil Well Testing 238910-29 - Oil Well Wire Line Service 238910-30 - Pipe Inspection 238910-31 - Roustabouts 238910-32 - Wireline Service 238910-33 - Swimming Pool Removal 238910-34 - Mines-Exploration 238910-35 - Backhoe Rental 238910-36 - Concrete Mixers-Renting 238910-37 - Cob & Soda Blasting 238910-39 - Fill Contractors 238910-40 - Machinery-Renting 238910-41 - Marine Contractors & Designers 238910-42 - Ponds & Pond Supplies 238910-43 - Concrete-Sealing & Waterproofing 238910-45 - Dry Well Contractors 238910-46 - Septic Tanks 238910-47 - Septic Tanks Consultants 238910-48 - Septic Tanks/Systems-Cleaning Repair 238910-49 - Auger Contractors 238910-50 - Sewer Locating Service 238910-52 - Water Main Cleaning Service 238910-53 - Water Pollution Measuring Service 238910-54 - Metal Fabricators 238910-55 - Vibration Isolation 238910-56 - Iron & Iron Work Commercial/Industrial 238910-57 - Welding & Steel Fabrication 238910-58 - Boring Contractors 238910-59 - Test Borings 238910-61 - Abrasive Cutting 238910-64 - Environmental Reclamation 238910-65 - Soil Solidification 238910-66 - Soil Stabilization 238910-67 - Terracing 238910-68 - Bulldozers For Hire 238910-70 - Trackhoe Service

238990-00 - Mailbox Installation & Repair 238990-01 - Crane Service 238990-02 - Cranes-Renting 238990-03 - Blacktopping 238990-06 - Concrete Ditch Liners 238990-07 - Concrete Grinding & Finishing 238990-08 - Concrete Restoration Repair & Cleaning 238990-09 - Asphalt Paving Contractors 238990-11 - Artificial Grass 238990-12 - Awnings & Canopies-Maintenance 238990-13 - Basement Waterproofing 238990-14 - Burglar Bars 238990-15 - Cable Splicing 238990-16 - Concrete-Precast 238990-17 - Condensation Control 238990-18 - Contractors 238990-19 - Corral Builders 238990-20 - Dog Enclosures & Runways 238990-21 - Earthquake Products & Services 238990-22 - Elevator Shaft Cleaning 238990-23 - Fence Contractors 238990-24 - Biological Waste Clean-Up 238990-25 - Fireproofing 238990-26 - Gas Detectors 238990-27 - Government-Contractors 238990-28 - Graffiti Removal & Protection Services 238990-29 - Moss Removal 238990-30 - Photographic Sets 238990-31 - Predictive Maintenance Service 238990-32 - Pumping Contractors 238990-33 - Railings 238990-34 - Rust Removing 238990-35 - Sandblasting 238990-36 - Skating Rinks-Installation/Equipment Supplies 238990-37 - Concrete Consultants 238990-38 - Stair Builders 238990-39 - Steam Cleaning-Industrial 238990-40 - Wet Blasting 238990-41 - Bobcat Service 238990-42 - Sign Contractors 238990-43 - Lifts-Manned 238990-44 - Acoustical Cleaners 238990-45 - Air Fragrances 238990-46 - Aircraft Washing & Polishing 238990-47 - Apartment Cleaning 238990-48 - Awnings & Canopies-Cleaning 238990-49 - Building Cleaning-Exterior 238990-50 - Building Cleaning-Interior 238990-51 - Building Cleaning/Maintenance Services 238990-52 - Building Maintenance 238990-53 - Ceiling Cleaning 238990-54 - Chemical Cleaning-Industrial 238990-55 - Chimney & Fireplace Cleaning Build Repair 238990-56 - Chimney Screens 238990-57 - Chimney Tops & Caps 238990-58 - Clean Rooms-Service & Cleaning 238990-59 - Cleaning Services-Industrial 238990-60 - Cleaning-Roof Patio Sidewalk & Etc 238990-61 - Condominium Maintenance 238990-62 - Deodorizing & Disinfecting 238990-63 - Environmental Cleaning Services 238990-64 - Estate Cleaning 238990-65 - Filters-Air & Gas-Cleaning Service 238990-66 - Floor Degreasing 238990-67 - Floor Polish & Wax 238990-68 - Floor Waxing Polishing & Cleaning 238990-69 - Flues 238990-70 - Gutter & Downspout Cleaning 238990-71 - Fireplace Contractors 238990-72 - House Cleaning 238990-73 - House Washing-Exterior 238990-74 - Kitchen Exhaust Systems-Cleaned 238990-75 - Lot Cleaners 238990-76 - Maid & Butler Service 238990-77 - Mildewproofing 238990-78 - Mobile Homes-Washing & Cleaning 238990-79 - Mobile Washing Service 238990-80 - Oven Cleaning 238990-81 - Property Maintenance 238990-82 - Restaurant Cleaning 238990-83 - Balancing Service-Industrial 238990-84 - Restroom Sanitation 238990-85 - Roof Cleaning Solvents & Services 238990-86 - Snow Removal Service 238990-87 - Stainproofing 238990-88 - Store Front Cleaning 238990-89 - Townhouse Maintenance Contractors 238990-91 - Venetian Blinds-Cleaning 238990-92 - Ventilating Systems-Cleaning 238990-93 - Vertical Blinds-Cleaning & Repairing 238990-94 - Wall Cleaning 238990-95 - Washroom Service 238990-96 - Window Cleaning 238990-97 - Window Shades-Cleaning & Repairing 238990-98 - Restaurant Equipment Cleaning 238990-99 - Shotblasting