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

	Ridgemount Quarries services the entire Niagara Peninsula and beyond. We produce various sizes of aggregates, ranging from five-tonne Armour stone to Limestone fines. Limestone's natural beauty and durability make it a popular choice for home construction and landscaping projects. Rip Rap stone and Gabion stonewalls offer slope stability and erosion control, while Armour stone protects the shorelines of our lakes. Clear Stone Aggregates are produced for the concrete and asphalt markets and Granulars are used for road building and commercial development projects. In addition, Ridgemount Quarries pioneered the manufacturing of "stone sand" for winter ice control, and as a replacement for natural sand in asphalt and concrete products.
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