The list profiles the biggest businesses in the region - from utilities to retail, manufacturing to professional services. :
The list profiles the biggest businesses in the region - from utilities to retail, manufacturing to professional services The Exeter-based firm, which owns South West Water and Bournemouth Water, sold its waste management arm Viridor this year in a £4.2million deal. With a turnover of almost £1.4 billion and more than 5,000 employees, Pennon tops this year's Annual Business Guide: Top 150 businesses in Devon and Cornwall, published today by BusinessLive and sister print title Western Morning News.