| 1 | financial services | £6,101,494,397 | 720 |
| 2 | aerospace and military contracting | £1,565,452,698 | 103 |
| 3 | telecommunications | £1,234,994,890 | 114 |
| 4 | utilities and power generation | £931,952,461 | 1,389 |
| 5 | pharmaceuticals | £891,667,375 | 34 |
| 6 | entertainment | £716,379,753 | 52 |
| 7 | diversified | £596,987,639 | 222 |
| 8 | miscellaneous manufacturing | £338,471,261 | 94 |
| 9 | business services | £283,828,083 | 354 |
| 10 | miscellaneous services | £274,463,102 | 1,721 |
| 11 | retailing | £238,494,136 | 375 |
| 12 | information technology | £198,923,427 | 43 |
| 13 | oilfield services and supplies | £187,503,109 | 59 |
| 14 | airlines | £184,270,987 | 68 |
| 15 | private equity (including portfolio companies) | £155,356,590 | 362 |
| 16 | chemicals | £79,368,701 | 189 |
| 17 | construction and engineering | £65,952,126 | 280 |
| 18 | industrial equipment | £39,860,826 | 96 |
| 19 | food products | £36,189,801 | 209 |
| 20 | motor vehicles | £29,891,652 | 36 |
| 21 | mining and minerals | £27,385,400 | 12 |
| 22 | oil and gas | £22,210,959 | 210 |
| 23 | healthcare services | £21,171,542 | 241 |
| 24 | miscellaneous energy products and systems | £19,147,254 | 40 |
| 25 | hotels | £18,545,542 | 22 |
| 26 | waste management and environmental services | £16,182,146 | 215 |
| 27 | building materials | £15,214,519 | 215 |
| 28 | household and personal care products | £12,204,434 | 16 |
| 29 | media | £11,368,104 | 4 |
| 30 | metals | £9,834,217 | 45 |
| 31 | agribusiness | £7,651,606 | 26 |
| 32 | freight and logistics | £7,629,701 | 150 |
| 33 | beverages | £6,467,252 | 81 |
| 34 | real estate | £2,958,499 | 38 |
| 35 | information services | £2,525,567 | 4 |
| 36 | paper and packaging | £2,381,914 | 92 |
| 37 | electrical and electronic equipment | £2,169,696 | 28 |
| 38 | paints and coatings | £2,079,220 | 21 |
| 39 | automotive parts | £1,793,235 | 25 |
| 40 | wholesalers | £1,405,079 | 33 |
| 41 | apparel | £1,293,166 | 7 |
| 42 | restaurants and foodservice | £917,596 | 42 |
| 43 | housewares and home furnishings | £889,112 | 24 |
| 44 | industrial services | £736,038 | 20 |
| 45 | heavy equipment | £157,500 | 15 |
| 46 | medical equipment and supplies | £152,446 | 16 |
| 47 | railroads | £53,260 | 4 |
| 48 | tobacco | £500 | 1 |
