Choose a Walker Industries Company Walker Industries Holdings Limited Human Resources: Careers -- Walker Brothers Quarries Vineland Quarries & Crushed Stone Ridgemount Quarries Spring Creek Aggregates Georgian Aggregates & Construction Inc Norjohn Contracting and Paving Georgian Construction Walker Brothers Asphalt -- Woodington Systems Inc Niagara Waste Systems Limited Norjohn Transfer Systems Limited -- Infrastructure Development & Management (iDM) Integrated Gas Rescovery Services(IGRS) Integrated Municipal Services(IMS) -- Norjohn Emulsions Walker Community Development Corporation

	Many materials may be used for architectural, structural and aesthetic applications for landscaping. Products such as Armour Stone, Rip Rap and Gabion Stone, may be used to add structural strength and visual interest to planting beds and retaining walls. Clear stones ranging from 3mm (1/8") to 13mm (½") can be used for pathways or bed mulching.
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