Sand & gravel suppliers
across Unknown.
Every confirmed sand and gravel supplier in Unknown, in one place. Browse by city, view the map, or call any location directly.
Unknown aggregate & bulk materials.
Hello Gravel lists 10 confirmed aggregate and bulk material suppliers in Unknown — quarries, distribution yards, and regional suppliers serving residential and commercial projects across the state. Every location is manually reviewed before listing, and contact details are checked annually.
The Unknown network includes 7 named aggregate brands, alongside independent and family-owned operations. Missing a supplier? Contact the Hello Gravel team to suggest an addition.
All 10 Unknown suppliers.
Sorted alphabetically. Each listing shows parent brand, materials carried, and the supplier's direct phone number.
BLADES – HOWARD PIT
Staker Parson (CRH)Hot Plant
CRHDaniels Canyon Pit
Staker Parson (CRH)Simunek Pit
CroellBreit
Con Agg (Summit Materials)Edmond OK #222
SiteOneStreeter Quarry
CroellGravel Shop- Maricopa County
What's actually in the supplier locations.
Share of Unknown suppliers that stock each material, based on confirmed inventory data.