Nedenstående overskrifter - kun vedrørende de branchekoder der faktisk forekommer i data - er skrevet af fra den meget tykke fortegnelse som Thomas havde med. Der ligger en kopi af denne fortegnelse - SOM IKKE MÅ FJERNES - på MPAS's hylde (5. sal for enden af hovedtrappen). CONSTRUCTION 15 General building contractors 16 Heavy construction, ex. buildings 17 Special trade contractors MANUFACTORING 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 32 Stone, clay and glass products 35 Industrial machinery and equipment 36 Electronic and other electric equipment 37 Transportation equipment 38 Instruments and related products TRANSPORTATION 44 Water transportation 45 Transportation by air 48 Communications 49 Electric, gas and sanitary services WHOLESALE TRADE 50 Wholesale trade - durable goods 51 Wholesale trade - nondurable goods RETAIL TRADE 53 General merchandise stores 55 Automotive dealers and service stations FINANCE, INSURANCE AND REAL ESTATE 67 Holdings and other investment offices SERVICES 72 Personal services 73 Business services 78 Motion pictures 79 Amusement and recreation services