A - Agricultural & Contracting   B - Builders & Construction   C - Charities & Community Initiatives   D - Dairy Parlours & Cattle Management   E - Engineering & Design   F - Forestry & Cartography   G - Gas & Power Industry   H - Hotels & Restaurants   I - Industrial & processing   J - Joiners & Carpenters   K - Kitchen & Catering   L - Legal & Financial   M - Museums & Archives   N - Navigation & GPS   O - Offices & Managerial   P - Plumbers & Heating   Q - Quarries & Stone Masons   R - Radio & Communications   S - Safety & Security   T - Transport & Storage   U - Undertakers & Funeral Directors   V - Vehicle Maintenance & Sales   W - Wind Farm & Renewable Energy   X - Xylographers & Milling   Y - Yacht & Maritime    Z - Zone Access and CCTV