Spectrum Aggregates Ltd. is a family run business who specialize in the supply of coloured stones, decorative aggregates, glass aggregates, marble and pebbles at competitive prices to both domestic and commercial customers. Although the Head Office is located at Plymouth in the South West of England, our processing plant and site is situated at Doncaster just off the M18 which makes access to the national road network perfect. We can offer a wide choice of quality materials for most applications and can colour code aggregates to match any needs.