Barleystone Manufactures of paving for the homeowner, architect, engineer, and paving contractors in Ireland and the UK. Blanc De Bierges Bespoke paving, landscape, and architectural manufacturers.  Blanc de Bierges sounds like a paving company from Europe and not the UK. But you would be surprised to find that they are based in Derby. Chelmer Valley Brick Company Ltd Specialist family-run manufacturer of beautiful clay block paving. Charcon Commercial paving company. Manufacturers of block paving, concrete slabs, and drainage. Charcon is part of the Aggregate Industries group of companies.