GRS also operates a number of other businesses providing solutions in a range of markets including:
S Walsh & Sons - the South East's premier provider of services to infrastructure
Maen Karne - Cornwall's leading supplier of aggregates, concrete products and waste services
Rail Stone Solutions is a standalone business uniquely dedicated to supplying massive volumes of bulk materials for major infrastructure.
Rail Freight Services (joint venture) - materials handling for rail, marine and road haulage
WMR Waste Solutions (joint venture) - total waste management solutions for all sectors
