Washington workers compensation class codes
Online list of Washington workers compensation class codes are shown below.
*Disclaimer – for authoritative WA Workers compensation classifications, please obtain directly from the Washington State Department of Labor and Industries at: https://www.lni.wa.gov/
Washington Workers Compensation Class Codes
(Press Control + F to search for a specific keyword or number)
Risk Class |
Examples of Businesses within the Class by Type |
| AGRICULTURE | |
| 4802 | Vegetable Farms-Machine Harvest |
| 4803 | Orchards |
| 4804 | Egg and Poultry Farms |
| 4805 | Nurseries and Shellfish Farms |
| 4806 | Hand Harvesting: Berries, Nuts, Flowers |
| 4808 | Diversified Field Crops & Cereal Grains |
| 4809 | Greenhouses & Mushroom Farms |
| 4810 | Vegetable Farms-Hand Harvest |
| 4811 | Hop and Mint Farms |
| 4812 | Fish and Shellfish Hatcheries |
| 4813 | Vineyards |
| 4814 | Farm internship program A |
| 4815 | Farm internship program B |
| 4816 | Farm internship program C |
| 7301 | Dairy Farms |
| 7302 | Livestock Farms and Stables |
| 7307 | Tree Farms |
| FOREST PRODUCTS | |
| 1002 | Sawmills and Automated Shake and Shingle Mills |
| 1003 | Pole Yards and Log Home Manufacturing |
| 1004 | Log Storage or Sorting Yards |
| 1005 | Shake and Shingle Mills – Non-automated |
| 2401 | Pulp and Paper Goods Manufacturing, NOC |
| 2903 | Wood Products Manufacturing, NOC |
| 2904 | Plywood and Veneer Manufacturing |
| 2905 | Furniture and Casket Manufacturing – Wood |
| 2907 | Cabinet and Countertop Manufacturing – Wood |
| 2909 | Woodenware Products Manufacturing |
| 5001 | Logging Operations, NOC |
| 5002 | Log Booming and Rafting |
| 5003 | Log Hauling |
| 5004 | Forestry and Timberland Services – Manual Labor |
| 5005 | Mechanized Logging |
| 5006 | Forestry/Timberland Services – Machine Operations |
| 6902 | Log Road Construction |
| MISCELLANEOUS CONSTRUCTION AND MINING | |
| 0101 | Excavation, Road Construction, Land Clearing, NOC |
| 0103 | Drilling and Geophysical Exploration, NOC |
| 0104 | Dredging, NOC |
| 0105 | Fence Construction, NOC |
| 0106 | Tree pruning, NOC |
| 0107 | Underground Utility Line Const. & Pipelaying, NOC |
| 0108 | Sewer and Septic System Construction |
| 0112 | Sand and Gravel Production including Dealers |
| 0201 | Bridge, Bulkhead and Tunnel Construction |
| 0202 | Pile Driving with Water Hazard, Diving |
| 0210 | Asphalt Paving – Streets and Roads |
| 0212 | Asphalt Paving, NOC |
| 0214 | Concrete Work – Streets, Roads and Sidewalks |
| 0217 | Concrete Work – Foundations and Flatwork |
| 0219 | Guardrails, Street Signs and Traffic Lights Installation |
| 0403 | Sign Erection |
| 0508 | Tower, Tank, Windmill and Crane Construction |
| 0509 | Overhead Power and Transmission Line Construction |
| 0701 | Dam Construction |
| 1702 | Underground Mines |
| 1703 | Open Cut Mines |
| 1704 | Quarries |
| 3506 | Mobile Crane, Hoisting Services and Concrete Pumping |
| 4900 | Construction Project or Site Superintendent/Manager |
| 4911 | Construction Estimator |
| 5206 | Construction/Logging/Trucking – Permanent Yard |
| BUILDING CONSTRUCTION AND TRADES | |
| 0301 | Landscape Construction and Renovation |
| 0302 | Masonry Construction |
| 0303 | Plastering, Stuccoing and Lathing: Buildings |
| 0306 | Plumbing |
| 0307 | HVAC Systems – Installation, Service & Repair |
| 0308 | Lawn Care Maintenance |
| 0502 | Floor and Counter Covering Installation |
| 0504 | Painting: Building and Structures – Exterior Work |
| 0507 | Roof Work – Construction and Repair |
| 0510 | Wood Frame Building Construction |
| 0511 | Glass Installation: Buildings |
| 0512 | Insulation Installation and Asbestos Abatement Work |
| 0513 | Interior Finish Carpentry |
| 0514 | Garage Door Installation |
| 0516 | Building Repair and Carpentry, NOC |
| 0517 | Factory Built Home Set-up by Contractor/Manufacturer |
| 0518 | Non Wood Frame Building Construction |
| 0519 | Sheet Metal Siding, Gutter and Downspout Installation |
| 0521 | Painting: Buildings – Interior Work |
| 0601 | Electrical Wiring: Buildings and Structures |
| 0602 | Elevator Installation, Service and Repair |
| 0603 | Machinery Installation, Service and Repair |
| 0606 | Vending Machine Installation, Service and Repair |
| 0607 | Store Display Service by Contractor |
| 0608 | Telephone and Electrical Alarm System Installation |
| 0540 | Wallboard Installation – Discounted Rate |
| 0541 | Wallboard Taping – Discounted Rate |
| 0550 | Wallboard Installation – Undiscounted Rate |
| 0551 | Wallboard Taping – Undiscounted Rate |
| FOOD PROCESSING AND MANUFACTURING | |
| 2101 | Grain, Feed and Flour Mills and Dealers |
| 2104 | Fruit and Vegetable Packing – Fresh |
| 3304 | Meat, Fish and Poultry Dealers – Wholesale |
| 3702 | Breweries, Wineries and Beverage Bottling |
| 3902 | Fruit/Vegetable Canneries/Food Product Mfg, NOC |
| 3903 | Sugar Refining |
| 3906 | Bakeries and Confectionaries- Wholesale, NOC |
| 4301 | Meat Products Mfg./ Slaughter and Packing Houses |
| 4302 | Custom Meat Cutting |
| 4304 | Feed Lots and Stock Yards |
| METAL AND MACHINERY MANUFACTURING | |
| 1701 | Ore Reduction |
| 1801 | Lead Smelting, Rolling Mills and Metal Recovery |
| 1802 | Aluminum Smelting |
| 3402 | Machine Shops and Machinery Mfg., NOC |
| 3403 | Aircraft Manufacturing |
| 3404 | Metal Goods Manufacturing, NOC – Under 9 Gauge |
| 3405 | Precision machined parts and products, N.O.C |
| 3603 | Electroplating and Detinning, NOC |
| 3604 | Galvanizing or Tinning, NOC |
| 3605 | Truck Manufacturing |
| 5101 | Pipe Manufacturing – Iron or Steel |
| 5103 | Foundries, NOC |
| 5106 | Blacksmithing and Forging Works |
| 5108 | Cable or Wire Rope Manufacturing |
| 5109 | Heavy Machinery Manufacturing |
| 5201 | Electric Equipment Manufacturing |
| 5204 | Railroad Car Manufacturing |
| 5208 | Iron or Steel Works – Shop |
| 5209 | Metal Goods Manufacturing, NOC – 9 Gauge or More |
| MISCELLANEOUS MANUFACTURING | |
| 0901 | Shipbuilding or Repair, NOC |
| 2906 | Pattern or Model Manufacturing; Wood Instrument Mfg. |
| 2908 | Factory Built Housing; Campers/Trailers Mfg. |
| 3102 | Rock Wool Insulation Manufacturing |
| 3103 | Cement Manufacturing |
| 3104 | Soapstone & Plasterboard Mfg; Wood preserving |
| 3105 | Concrete Products Manufacturing |
| 3501 | Brick or Clay Product Manufacturing, NOC |
| 3503 | Decorative Tile, Pottery, Glassware Manufacturing, NOC |
| 3509 | Statuary and Ornament Manufacturing |
| 3510 | Plastic Products Manufacturing |
| 3511 | Fiberglass Products Manufacturing, NOC |
| 3512 | Plastic – Cutting, Bending and Milling |
| 3513 | Rubber Goods Manufacturing, NOC |
| 3602 | Electronic Products and Instrument Mfg/ Dental Labs |
| 3701 | Chemical Mixing and Manufacturing |
| 3708 | Mattress, Textile, Felt, & Rope Manufacturing, NOC |
| 3802 | Garments/Handbag/Pack/Tent Manufacturing |
| 3808 | Upholstery Work, NOC |
| 4101 | Printing Services and Book Binding |
| 6604 | Optical Goods Manufacturing |
| 6908 | Paper Products Manufacturing |
| UTILITIES AND COMMUNICATIONS | |
| 1301 | Electric Light & Power Companies |
| 1303 | Telephone Companies – All Other Employees, NOC |
| 1304 | Telephone Companies – Office and Admin. Staff |
| 1305 | TV Cable Companies – All Other Employees, NOC |
| 1507 | Waterworks Operations, Repair and Maintenance |
| 3408 | Natural Gas Companies |
| 4103 | Newspaper Publishing |
| 4501 | Radio or Television – Field Employees |
| 4502 | Radio or Television – All Other Employees |
| TRANSPORTATION AND WAREHOUSING | |
| 1101 | Parcel and Package Delivery Service |
| 1102 | Trucking, NOC |
| 1105 | Septic Tank Pumping and Street Sweeping Services |
| 1109 | Auto Towing Services |
| 1401 | Taxi Cab Companies |
| 1404 | Cabulance and Paratransit |
| 1405 | Ambulance Services |
| 1407 | Bus Companies |
| 2002 | Freight Handling Services |
| 2007 | Grain, Bean and Pea Elevators or Warehouses |
| 2008 | Field Bonded Warehouses |
| 2102 | Warehouses, NOC, Grocery Dist. & Recycle Centers |
| 2105 | Beer, Wine, and Soft Drink Distributors |
| 4305 | Solid Waste Collection Services/Landfill Operations |
| 4404 | Cold Storage Warehouse |
| 6801 | Scheduled Airlines – Flight Crew |
| 6802 | Scheduled Airlines – Ground Crew |
| 6803 | Non Scheduled Airlines – Flight Crew |
| 6804 | Non Scheduled Airlines – Ground Crew |
| 6903 | Aerial Fire Fighting, Spraying, Seeding and Crop Dusting |
| 6907 | Moving and Storage Companies |
| DEALERS AND WHOLESALERS | |
| 0604 | Scrap Metal Dealers and Processors |
| 1103 | Solid Fuel, Topsoil, Beauty Bark, and Firewood Dealers |
| 1104 | Auto Wrecking |
| 1106 | Tool Rental Stores |
| 1108 | Glass Merchants |
| 2004 | Iron and Steel Merchants |
| 2009 | Lumber Yards and Building Material Dealers |
| 2106 | Fertilizer Dealers |
| 3101 | Ready-mix Concrete Dealers |
| 3309 | Motorcycle Dealers |
| 3407 | Gas, Oil, or Asphalt Dealers |
| 4401 | Cold Storage Lockers |
| 4402 | Ice Manufacturing or Dealers |
| 6405 | Tire Sales & Service Centers |
| 6407 | Wholesale Stores, NOC |
| 6408 | Farm Machinery Dealers |
| 6409 | Machinery and Equipment Dealers and Repair NOC |
| 6410 | Janitorial Supply Dealers |
| 6603 | Auction Sales |
| STORES | |
| 3303 | Meat, Fish and Poultry Dealers – Retail |
| 3410 | Convenience Grocery Store – with Self Service Gas |
| 3901 | Bakeries – Retail |
| 6304 | Department and Antique Stores |
| 6305 | Clothing and Shoe Stores |
| 6306 | Furniture and Appliance Stores |
| 6308 | Jewelry and Optical Goods Stores |
| 6309 | Hardware, Auto Parts and Sporting Good Stores |
| 6402 | Supermarkets |
| 6403 | Convenience Grocery Stores – No Gas |
| 6404 | Florists |
| 6406 | Retail Stores, NOC |
| 6504 | Charitable and Welfare Stores |
| 6506 | Photography Studios and Film Print Shops |
| TEMPORARY HELP | |
| 7104 | Temp. Help – Administrative Staff |
| 7105 | Temp. Help – Office Services |
| 7106 | Temp. Help – Retail Store Services |
| 7107 | Temp. Help – Food Services |
| 7108 | Temp. Help – Warehousing Services |
| 7109 | Temp. Help – Light Assembly Work |
| 7110 | Temp. Help – Field Technical Services |
| 7111 | Temp. Help – Health Care Services |
| 7112 | Temp. Help – Agricultural Services |
| 7113 | Temp. Help – Maintenance Services |
| 7114 | Temp. Help – Assembly Work and Freight Handling |
| 7115 | Temp. Help – Food Processing Services |
| 7116 | Temp. Help – Flagging for Public Utility Construction |
| 7117 | Temp. Help – Machine Operators and Skilled Craftsmen |
| 7118 | Temp. Help – Flagging for Construction Services NOC |
| 7119 | Temp. Help – Vehicle Operations |
| 7120 | Temp. Help – Hazardous Waste Services |
| 7121 | Temp. Help – Logging and Aircraft Services |
| 7122 | Temp. Help – Laborers for Manufacturing |
| MISCELLANEOUS SERVICES | |
| 2201 | Laundry or Dry Cleaning Services |
| 2202 | Carpet Cleaning |
| 2203 | Laundries – Commercial NOC |
| 2204 | Laundries – Coin Operated |
| 3406 | Gas Stations-Full Service, Car Washes and Detailers |
| 3409 | Gas Stations-Self Service – No Groceries |
| 3411 | Automobile Dealers, Rentals and Service Shops |
| 3412 | Automobile Body Repair Centers |
| 3414 | Boat Dealers, Marinas and Boat Houses |
| 3415 | Factory Built Housing Dealers |
| 3905 | Restaurants and Taverns |
| 3909 | Catering Services |
| 4504 | Movie and Live Theatres |
| 4905 | Motels and Hotels |
| 4910 | Property and Building Management Services |
| 5207 | Bowling Centers and Skating Rinks |
| 5308 | Community Action Organizations |
| 6201 | Mortuaries |
| 6202 | Cemeteries |
| 6203 | YMCA, YWCA, Boys and Girls Clubs |
| 6204 | Health Clubs, Gyms, Exercise Facilities and Baths NOC |
| 6205 | Clubs NOC |
| 6206 | Golf Courses NOC |
| 6207 | Carnivals and Circuses – Traveling |
| 6208 | Amusement Parks, Race Tracks and Fairs |
| 6209 | Campgrounds NOC and Public Swimming Pools |
| 6509 | Boarding Homes and Retirement Centers |
| 6510 | Domestic Servants |
| 6511 | Chore Services |
| 6512 | Home Care Services – HCQA |
| 6602 | Janitorial Services and Pest Control |
| 6607 | Card Rooms, Bingo Parlors and Recreational Centers |
| 6704 | Parking Lot Operations |
| 6705 | Ski Facilities and Outdoor Recreation Guides |
| 6706 | Athletic Teams – Care of team, gear and facilities |
| 6707 | Contact Sports, NOC |
| 6708 | Auto & Boat Racing-Per Race |
| 6709 | Sheltered Workshops |
| 6809 | Baseball, Basketball & Soccer Teams |
| 7102 | Football Teams – NFL |
| 7203 | Community Service Workers |
| 7204 | Preferred Workers |
| 7205 | Life and rescue emergency personnel |
| 7308 | Pet Grooming/Boarding Services/Animal Shelters |
| 7309 | Work Activity Centers |
| HEALTH CARE | |
| 6105 | Hospitals, NOC |
| 6108 | Nursing Homes |
| 6109 | Physicians & Medical Clinics |
| 6110 | Home Health Services and Nursing Care, NOC |
| 6120 | Acute Care Hospitals with Safe Patient Handling |
| 6121 | Acute Care Hospitals without Safe Patient Handling |
| MISC. PROFESSIONAL AND CLERICAL | |
| 1006 | Land surveying services, N.O.C. |
| 1007 | Environmental Surveyors, Grading Bureaus, Forestors |
| 4107 | Business Machines- Installation, Service and Repair |
| 4108 | Mailing Services |
| 4109 | Sign Painting – In Shop and Buildings |
| 4901 | Consulting Engineers and Architectural Services |
| 4903 | Insurance and Building Inspection Services |
| 4904 | Clerical Office, NOC |
| 5301 | Accounting, Law and Service Companies |
| 5302 | Software Design & Engineering and Internet Service Providers |
| 6107 | Veterinary Services |
| 6301 | Sales Personnel – Vehicles and Boats |
| 6303 | Sales Personnel – Outside, NOC |
| 6501 | Barbers, Beauty Salons and Tanning Parlors |
| 6502 | Banks and Financial Institutions |
| 6503 | Labor Unions |
| 6601 | Security Guard Agencies and Armored Car Services |
| 6605 | Actors, Entertainers and Musicians, NOC |
| 6608 | Motion Picture Production |
| 6620 | Entertainers & Dancers |
| 6909 | Medical and Testing Labs/Blood Banks |
| 7100 | Exempt limited liability members NOC |
| 7101 | Executive Officers, NOC |
| 7202 | Real Estate Agencies |
| GOVERNMENT AND SCHOOLS | |
| 0803 | Cities-All Other Employees, NOC |
| 1501 | County and Tribal Councils-All Other Employees, NOC |
| 4201 | Port Districts |
| 4902 | State Government – Office and Administrative Employees |
| 4906 | Colleges & Universities |
| 4907 | Inmates – Prison Industries |
| 4908 | Inmates – Adult Camps |
| 4909 | Inmates – Juvenile Camps |
| 5300 | State Government – Administrative Field Staff |
| 5305 | Cities – Office and Administrative Employees |
| 5306 | Counties – Office and Administrative Employees |
| 5307 | State Government – All Other Employees, NOC |
| 6103 | Schools, Churches and Day Care – Prof./Clerical Staff |
| 6104 | Schools, Churches and Day Care-All Other Staff |
| 6505 | Welfare Special Works Programs |
| 6901 | Volunteers |
| 6904 | County and City Fire fighters – Salaried |
| 6905 | County and City Law Enforcement Officers |
| 6906 | Volunteer Law Enforcement Officers |
| 7103 | State Government – Law Enforcement Officers |
| 7200 | State Acute Health Care Facilities w/Safe Patient Handling |
| 7201 | State Patient or Health Care Personnel, NOC |
| 7400 | State Acute Health Care Facilities w/o Safe Patient Handling |
Washington workers compensation class codes