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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.


CategoryProductSize / ClassificationSutherland (prev. Keppel) QuarryShepherd PitDowns Pit & AsphaltHooper PitRedford PitHolland PitLindsay QuarryMeafordSarawakMarkdaleAlvanley Ready Mix
Clear StoneClear Stone7mm (1/4") (Chip)
Clear Stone3/8"
Clear Stone16mm (HL4)
Clear Stone19mm (3/4") / 3/4" Clear
Clear Stone19mm (3/4") (HL8) (Drainage Stone)
Clear Stone1 1/4"
Clear Stone50mm (2") / 37.5mm (1 ½” ) Clear
Concrete Stone13.2mm / 14-5 CSA
Concrete Stone16mm
Concrete Stone19mm (3/4") / 3/4" Clear
Large Rip Rap12" - 24" (300 - 600mm)
Pea Gravel / Pea Stone3/8"
Septic Stone1" - 2"
FinesAsphalt Sand (Washed)
Brick Sand
Clear2mm (1/8")
Concrete Sand (Washed)
Filter Sand
Pond Fill
Screenings1/4" Minus
Screened Sand
Septic Sand
Winter Sand
GranularsGranular / Crusher Run16mm (5/8")
Granular / Crusher Run19mm (3/4")
Granular / Crusher Run50mm (2")
Granular / Crusher Run100mm (4")
OPSS Granular A Passes 1"
OPSS Granular B Type I (Pit Run)0 - 1/2"
OPSS Granular B Type II0 - 2" (50mm)
OPSS Granular M 16mm (5/8")
Unprocessed FinesUnscreened Sand Fill
Oversized/LandscapingArmour Stone - Random
Armour Stone - Random Size/Shape1 - 2 tonne
Armour Stone - Random Size/Shape2 - 4 tonne
Armour Stone - Landscape Stackable10" / 13" / 24"
Armour Stone - Shoreline
AsphaltCold Patch
HL3F - Top Coat Asphalt - Driveway Mix
HL3HS - Top Coat Asphalt - High Stability
HL3OPSS - Top Coat Asphalt
HL8HS - Base Asphalt - High Stability
HL8OPSS Base Asphalt
Sheet Top
Recycled MaterialsRecycled AsphaltMinus 5/8"
Recycled Concrete2" Minus
Excess SoilExcess Soil Acceptance
Ready Mix ConcreteConcrete 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 ServicesTrailer/HopperGravel deliveries
Trailer/Flat bedArmour stone/large deliveries
Trailer/Live-BottomAsphalt and gravel deliveries
Trailer/DumpGravel, Gabion Stone, Rip Rap deliveries
Triaxle dump trailerGravel, Gabion Rip Rap deliveries
Tandem dump trailerGravel, Gabion Rip Rap deliveries
Single axle dump trailerUsed for Utility purposes
Pup trailersGravel deliveries
Triaxle stone slingerGravel, Stone Deliveries
JD Articulating TruckOff-highway aggregate hauling
Cat Articulating TruckOff-highway aggregate hauling
Flusher (Triaxle /Tandem)Water trucks
*Selection and availability varies by location. Check products in other regions, or contact a sales rep today.

Not finding what you need in Grey-Bruce? Lacey can help.

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Lacey Moore

Aggregate Sales Support
[email protected]
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Find Products Near You


0 quarries within 100 kilometres

Sutherland Quarry - Open
178764 Grey Road 17
Owen Sound, ON N4K 5N4
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Shepherd Pit - Open
216358 Concession 4
Desboro, ON N0H 1K0
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Sarawak Quarry - Open
319616 Grey Road 1
Kemble, ON N0H 1S0
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Redford Pit - Open
381769 Concession 4 NDR
Hanover, ON N4N 3B9
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Meaford Quarry - Open
197294 Grey Road 7
Meaford, ON N4L 1W7
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Markdale Pit - Open
774865 Highway 10
Markdale, ON N0C 1H0
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Lindsay Quarry - Open
4134 Highway 6
Mar. ON N0H 1X0
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Hooper Pit - Open
403803 Grey Road 4
Priceville, ON N0C 1K0
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Holland Pit - Open
684063 Side Road 30
Holland Centre, ON N0H 1R0
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Gowanlock Pit - Open
347105 Concession 4B
Flesherton, ON N0C 1E0
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Gingerich Pit - Open
157 Elderslie-Arran Line
Dobbinton, ON N0H 1L0
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Feenstra Pit - Open
197117 Concession Road 5A
Chatsworth, ON N0H 1G0
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Downs Pit & Asphalt - Open
062092 Side Road 3
Owen Sound, ON N4K 5N5
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Alvanley Ready Mix - Open
017999 Grey Bruce Line
Allenford, ON N0H 1A0
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Albemarle Quarry - Open
409 Kings Crescent
Wiarton, ON N0H 2T0
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McGregor Quarry - Open
6781 North Side Road
McGregor, ON N0R 1J0
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Amherstburg Quarry - Open
667 Simcoe Street
Amherstburg, ON N9V 1N4
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Administrative Office - Open
6781 North Side Road
McGregor, ON N0R 1J0
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Severn Quarry - Open
2646 Nichols Line
Orillia, ON L3V 6H3
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Orillia Pit 7 - Open
1533 Line 12 North
Oro-Medonte, ON L0L 1T0
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Orillia Pit 5 - Open
1267 Line 13 North
Oro-Medonte, ON L0L 1T0
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Orillia Pit 48 - Open
4364 Uhthoff Line
Orillia, ON L3V 6H2
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Edgar Pit - Open
1540 Line 7 North
Oro-Medonte Township, ON L0L 2E0
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Durham Pit - Open
393462 Concession 2
Priceville, ON N0C 1K0
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Duntroon Quarry - Open
Simcoe County Road 91, 3 Miles West
Duntroon, ON L0M 1H0
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Clarksburg Pit - Open
828060 Grey Road 40
The Blue Mountains, ON N0H 1J0
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Anten Mills Pit - Open
4436 Horseshoe Valley Road West
Minesing, ON L0L 1Y0
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Administrative Office - Open
48 Alliance Blvd Unit 102 & 103
Barrie, ON L4M 5K3
[email protected]
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Ridgemount Quarry - Open
2009 Ridgemount Road
Stevensville, ON L0S 1S0
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Spring Creek Quarry - Open
5500 Yonge Street
Lincoln, ON L0R 2A0
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Vineland Quarry & Asphalt - Open
3614 Victoria Ave.
Vineland, ON L0R 2C0
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Walker Brothers Quarry & Asphalt - Open
2800 Thorold Townline Road
Thorold, ON L2V 3Y8
[email protected]
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