1 (255) | GlaxoSmithKline, United Kingdom | GBR | ||
2 (300) | AstraZeneca, United Kingdom | GBR | ||
3 (353) | Microsoft Research Cambridge | GBR | ||
4 (426) | Pfizer Inc., United Kingdom | GBR | ||
5 (1057) | Qinetiq United Kingdom | GBR | ||
6 (3307) | Rolls-Royce plc | GBR | ||
7 (3833) | Atomic Weapons Establishment | GBR | ||