Publisher
- Rowman & Littlefield Publishers574
- IntechOpen546
- The Scottish Government495
- John Wiley & Sons, Inc489
- Pearson445
- Argus Media Ltd424
- Edward Elgar Publishing408
- Packt Publishing382
- Penguin Books378
- Department for Business, Energy & Industrial Strategy375
- Emerald Publishing356
- Ofgem353
- ICE Data Services Europe Limited352
- River Publishers324
- AuthorHouse UK316
- Fastmarkets MB280
- Bannister International Research Organisation277
- Platts275
- McGraw-Hill companies269
- Platts, McGraw Hill Financial257