Guide for Reporting to the National Pollutant Release Inventory 2000: appendix 6
Appendix 6: Two-digit 1987 U.S. Standard Industrial Classification (SIC) Codes
| 01 | Agricultural Production Crops |
| 02 | Agricultural Production Livestock |
| 07 | Agricultural Services |
| 08 | Forestry |
| 09 | Fishing, Hunting and Trapping |
| 10 | Metal Mining |
| 12 | Coal Mining |
| 13 | Oil and Gas Extraction |
| 14 | Non-metallic Minerals, except Fuels |
| 15 | General Building Contractors |
| 16 | Heavy Construction, except Building |
| 17 | Special Trade Contractors |
| 20 | Food and Kindred Products |
| 21 | Tobacco Products |
| 22 | Textile Mill Products |
| 23 | Apparel and Other Textile Products |
| 24 | Lumber and Wood Products |
| 25 | Furniture and Fixtures |
| 26 | Paper and Allied Products |
| 27 | Printing and Publishing |
| 28 | Chemicals and Allied Products |
| 29 | Petroleum and Coal Products |
| 30 | Rubber and Miscellaneous Plastics Products |
| 31 | Leather and Leather Products |
| 32 | Stone, Clay, and Glass Products |
| 33 | Primary Metal Industries |
| 34 | Fabricated Metal Products |
| 35 | Industrial Machinery and Equipment |
| 36 | Electronic and Other Electric Equipment |
| 37 | Transportation Equipment |
| 38 | Instruments and Related Products |
| 39 | Miscellaneous Manufacturing Industries |
| 40 | Railroad Transportation |
| 41 | Local and Interurban Passenger Transit |
| 42 | Trucking and Warehousing |
| 43 | U.S. Postal Service |
| 44 | Water Transportation |
| 45 | Transportation by Air |
| 46 | Pipelines, except Natural Gas |
| 47 | Transportation Services |
| 48 | Communications |
| 49 | Electric, Gas, and Sanitary Services |
| 50 | Wholesale Trade Durable Goods |
| 51 | Wholesale Trade Non-durable Goods |
| 52 | Building Materials and Garden Supplies |
| 53 | General Merchandise Stores |
| 54 | Food Stores |
| 55 | Automotive Dealers and Service Stations |
| 56 | Apparel and Accessory Stores |
| 57 | Furniture and Home Furnishings Stores |
| 58 | Eating and Drinking Places |
| 59 | Miscellaneous Retail |
| 60 | Depository Institutions |
| 61 | Non-depository Institutions |
| 62 | Security and Commodity Brokers |
| 63 | Insurance Carriers |
| 64 | Insurance Agents, Brokers, and Service |
| 65 | Real Estate |
| 67 | Holding and Other Investment Offices |
| 70 | Hotels and Other Lodging Places |
| 72 | Personal Services |
| 73 | Business Services |
| 75 | Auto Repair, Services and Parking |
| 76 | Miscellaneous Repair Services |
| 78 | Motion Pictures |
| 79 | Amusement and Recreation Services |
| 80 | Health Services |
| 81 | Legal Services |
| 82 | Educational Services |
| 83 | Social Services |
| 84 | Museums, Botanical, Zoological Gardens |
| 86 | Membership Organizations |
| 87 | Engineering and Management Services |
| 88 | Private Households |
| 89 | Services, n.e.c. |
| 91 | Executive, Legislative and General |
| 92 | Justice, Public Order and Safety |
| 93 | Finance, Taxation and Monetary Policy |
| 94 | Administration of Human Resources |
| 95 | Environmental Quality and Housing |
| 96 | Administration of Economic Programs |
| 97 | National Security and International Affairs |