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Walker’s Grey-Bruce operations boast multiple quarries, sand and gravel pits, an award-winning asphalt plant and an ECO-certified ready mix concrete plant. These sites have been proudly serving Grey and Bruce Counties with high quality construction materials and services for over 55 years.
| Category | Product | Size / Classification | Sutherland (prev. Keppel) Quarry | Shepherd Pit | Downs Pit & Asphalt | Hooper Pit | Redford Pit | Holland Pit | Lindsay Quarry | Meaford | Sarawak | Markdale | Alvanley Ready Mix | Crawford Pit | Hanover Pit | Lind Pit | McAllister Pit | McKenzie Pit | Bennet Pit | Koch Pit |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Clear Stone | Clear Stone | 7mm (1/4") (Chip) | • | • | • | • | ||||||||||||||
| Clear Stone | 3/8" | • | • | |||||||||||||||||
| Clear Stone | 16mm (HL4) | • | • | |||||||||||||||||
| Clear Stone | 19mm (3/4") / 3/4" Clear | • | • | • | • | |||||||||||||||
| Clear Stone | 19mm (3/4") (HL8) (Drainage Stone) | • | • | • | • | |||||||||||||||
| Clear Stone | 1 1/4" | • | • | • | ||||||||||||||||
| Clear Stone | 50mm (2") / 37.5mm (1 ½” ) Clear | • | • | |||||||||||||||||
| Concrete Stone | 13.2mm / 14-5 CSA | • | ||||||||||||||||||
| Concrete Stone | 16mm | • | ||||||||||||||||||
| Concrete Stone | 19mm (3/4") / 3/4" Clear | • | • | • | • | • | • | • | ||||||||||||
| Large Rip Rap | 12" - 24" (300 - 600mm) | • | • | |||||||||||||||||
| Pea Gravel / Pea Stone | 3/8" | • | • | • | • | |||||||||||||||
| Septic Stone | 1" - 2" | • | • | • | ||||||||||||||||
| Drainage Stone | 7/8" - 5/8 | • | • | |||||||||||||||||
| Washed Concrete | HL8 | • | ||||||||||||||||||
| Ballast Stone | 1"-1 3/4" Round Stone (Roofing) | • | • | |||||||||||||||||
| River Stone | 2" - 6" | • | • | |||||||||||||||||
| Fines | Asphalt Sand (Washed) | • | • | • | ||||||||||||||||
| Brick Sand | • | • | ||||||||||||||||||
| Clear | 2mm (1/8") | • | ||||||||||||||||||
| Concrete Sand (Washed) | • | • | • | |||||||||||||||||
| Clay | • | |||||||||||||||||||
| Filter Sand | • | • | ||||||||||||||||||
| Pond Fill | • | • | ||||||||||||||||||
| Sandfill | • | • | • | |||||||||||||||||
| Screenings | 1/4" Minus | • | • | • | • | |||||||||||||||
| Screened Sand | • | • | • | • | • | |||||||||||||||
| Cattle Bedding Sand | Unscreened | • | ||||||||||||||||||
| Screened Bedding Sand | • | |||||||||||||||||||
| Septic Sand | • | • | • | |||||||||||||||||
| Winter Sand | • | • | • | • | ||||||||||||||||
| Granulars | Granular / Crusher Run | 16mm (5/8") | • | • | • | • | • | |||||||||||||
| Granular / Crusher Run | 7/8" Crushed | • | • | |||||||||||||||||
| Granular / Crusher Run | 19mm (3/4") | • | ||||||||||||||||||
| Granular / Crusher Run | 50mm (2") | • | • | • | ||||||||||||||||
| Granular / Crusher Run | 100mm (4") | • | • | |||||||||||||||||
| OPSS Granular A | Passes 1" | • | • | • | • | • | • | • | • | • | • | • | • | • | • | |||||
| OPSS Granular B Type I (Pit Run) | 0 - 1/2" | • | • | • | • | • | • | |||||||||||||
| OPSS Granular B Type II | 0 - 2" (50mm) | • | • | |||||||||||||||||
| OPSS Granular M | 16mm (5/8") | • | • | • | • | |||||||||||||||
| Pit Run | • | • | • | • | • | • | • | |||||||||||||
| Screened A | • | |||||||||||||||||||
| 4" Minus | • | |||||||||||||||||||
| 2" Crushed Gravel | • | |||||||||||||||||||
| Unprocessed Fines | Unscreened Sand Fill | • | • | |||||||||||||||||
| Oversized/Landscaping | Armour Stone - Random | • | • | |||||||||||||||||
| Armour Stone - Random Size/Shape | 1 - 2 tonne | • | • | |||||||||||||||||
| Armour Stone - Random Size/Shape | 2 - 4 tonne | • | • | |||||||||||||||||
| Armour Stone - Landscape Stackable | 10" / 13" / 24" | • | • | |||||||||||||||||
| Armour Stone - Shoreline | • | • | ||||||||||||||||||
| Boulders | • | • | ||||||||||||||||||
| Asphalt | Cold Patch | • | ||||||||||||||||||
| HL3F - Top Coat Asphalt - Driveway Mix | • | |||||||||||||||||||
| HL3HS - Top Coat Asphalt - High Stability | • | |||||||||||||||||||
| HL3OPSS - Top Coat Asphalt | • | |||||||||||||||||||
| HL4 | • | |||||||||||||||||||
| HL8HS - Base Asphalt - High Stability | • | |||||||||||||||||||
| HL8OPSS Base Asphalt | • | |||||||||||||||||||
| Sheet Top | • | |||||||||||||||||||
| Recycled Materials | Recycled Asphalt | Minus 5/8" | • | • | • | |||||||||||||||
| Recycled Concrete | 2" Minus | • | • | |||||||||||||||||
| Other | Screened Top Soil | • | ||||||||||||||||||
| Excess Soil | Excess Soil Acceptance | • | ||||||||||||||||||
| Ready Mix Concrete | Concrete Barriers/Blocks | • | ||||||||||||||||||
| Residential Use Concrete | • | |||||||||||||||||||
| Industrial, Commercial and Institutional Use Concrete | • | |||||||||||||||||||
| Agricultural Use Concrete | • | |||||||||||||||||||
| Infrastructure Use Concrete | • | |||||||||||||||||||
| High Performance Concrete | • | |||||||||||||||||||
| Decorative Concrete (Over 100 colours integral concrete) | • | |||||||||||||||||||
| Conveyor Trucks for placement (6 trucks with 39-foot conveyors) | • | |||||||||||||||||||
| Pump Truck for concrete pumping (32-meter concrete pump) | • | |||||||||||||||||||
| Trucking Services | Trailer/Hopper | Gravel deliveries | • | • | • | • | • | • | • | • | • | • | • | |||||||
| Trailer/Flat bed | Armour stone/large deliveries | • | • | • | • | • | • | • | • | • | • | • | ||||||||
| Trailer/Live-Bottom | Asphalt and gravel deliveries | • | • | • | • | • | • | • | • | • | • | • | ||||||||
| Trailer/Dump | Gravel, Gabion Stone, Rip Rap deliveries | • | • | • | • | • | • | • | • | • | • | • | ||||||||
| Triaxle dump trailer | Gravel, Gabion Rip Rap deliveries | • | • | • | • | • | • | • | • | • | • | • | ||||||||
| Tandem dump trailer | Gravel, Gabion Rip Rap deliveries | • | • | • | • | • | • | • | • | • | • | • | ||||||||
| Single axle dump trailer | Used for Utility purposes | • | • | • | • | • | • | • | • | • | • | • | ||||||||
| Pup trailers | Gravel deliveries | • | • | • | • | • | • | • | • | • | • | • | ||||||||
| Triaxle stone slinger | Gravel, Stone Deliveries | • | • | • | • | • | • | • | • | • | • | • | ||||||||
| JD Articulating Truck | Off-highway aggregate hauling | • | • | • | • | • | • | • | • | • | • | • | ||||||||
| Cat Articulating Truck | Off-highway aggregate hauling | • | • | • | • | • | • | • | • | • | • | • | ||||||||
| Flusher (Triaxle /Tandem) | Water trucks | • | • | • | • | • | • | • | • | • | • | • |