SSE plc
Centrica
Pennon Group
Ashtead Group
Halma plc
Ocado
B&M
Segro
Weir Group
IMI plc
Smith & Nephew
Next (clothing retailer)
UK Water company
unitedutilities.com
United Utilities Group PLC, the United Kingdom's largest listed water company, was founded in 1995 as a result of the merger of North West Water and NORWEB. Wikipedia