| 1 | financial services | £6,101,841,055 | 729 |
| 2 | aerospace and military contracting | £1,565,452,698 | 103 |
| 3 | telecommunications | £1,234,995,890 | 115 |
| 4 | utilities and power generation | £954,066,828 | 1,395 |
| 5 | pharmaceuticals | £891,670,875 | 35 |
| 6 | entertainment | £716,379,753 | 52 |
| 7 | diversified | £596,987,639 | 224 |
| 8 | miscellaneous manufacturing | £338,471,261 | 94 |
| 9 | miscellaneous services | £289,077,795 | 1,743 |
| 10 | business services | £284,302,856 | 358 |
| 11 | retailing | £239,475,924 | 366 |
| 12 | information technology | £198,923,427 | 44 |
| 13 | oilfield services and supplies | £187,503,109 | 60 |
| 14 | airlines | £184,270,987 | 69 |
| 15 | private equity (including portfolio companies) | £156,683,109 | 389 |
| 16 | chemicals | £79,368,701 | 190 |
| 17 | construction and engineering | £66,812,126 | 281 |
| 18 | industrial equipment | £39,860,826 | 96 |
| 19 | food products | £36,189,801 | 211 |
| 20 | motor vehicles | £29,901,578 | 38 |
| 21 | mining and minerals | £27,385,400 | 12 |
| 22 | oil and gas | £22,685,959 | 215 |
| 23 | healthcare services | £21,206,392 | 258 |
| 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 | 216 |
| 27 | building materials | £15,214,519 | 216 |
| 28 | household and personal care products | £13,223,990 | 22 |
| 29 | media | £11,368,104 | 4 |
| 30 | metals | £9,834,217 | 46 |
| 31 | freight and logistics | £7,666,809 | 157 |
| 32 | agribusiness | £7,651,606 | 26 |
| 33 | beverages | £6,967,252 | 83 |
| 34 | real estate | £2,958,499 | 38 |
| 35 | information services | £2,525,567 | 4 |
| 36 | paper and packaging | £2,431,947 | 97 |
| 37 | automotive parts | £2,222,965 | 30 |
| 38 | electrical and electronic equipment | £2,169,696 | 28 |
| 39 | paints and coatings | £2,079,220 | 21 |
| 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 | £148,946 | 15 |
| 47 | railroads | £53,260 | 4 |
| 48 | tobacco | £500 | 1 |
