- Quality Rock Products
- Quality Rock Products Inc
- R R West Fabrications
- Rainbow Rock
- Randles Lynch Creek Quarry
- RAP
- RAP
- Rick L Mays Transfer Svc
- Rickard Rock Quarry
- Ridgerock Quarry
- River City Rock Products
- Rlg Round Mountain Rock
- Rlg Round Mountain Rock
- Rock Depot
- Rock House
- Rock Producers Inc
- Rock Reproductions
- Rock Services Inc
- Rock Shop
- Rock Spreaders
- Rock Structures-Rip Rap
- Rock Tech Corp
- Rock Wholesalers
- Rock Wholesalers
- Rock Yard
- Rock Yard
- Rock Yard
- Rocks Etc
- Rocks Etc
- Rocks Etc
- Rocks On The Spot Inc
- Rocks On The Spot Inc
- Rockworks LLC
- Rocky Road LLC
- Rocx Inc
- Roger's Trucking Inc
- Rogue Aggregates Inc
- Rolling Rock Co
- Rondon's Rockery
- Rose Gallery-Books & More
- Roseville Aggregates Inc
- Round Rock Landscaping Inc
- Rustic River Rock Gardens
- San Joaquin Sand & Gravel
- San Joaquin Sand & Gravel
- Scappoose Sand & Gravel Co
- Scenic View Landscaping
- Schmidt Aggregates
- Schmidt Aggregates
- Schneider Pit
- Section Number Nine
- Shelvlin Sand & Gravel
- Sierra Aggregate Co
- Sierra Boulder Inc
- Sierra Boulder Inc
- Sierra Boulders
- Sierra Boulders
- Sierra Cascade
- Silver State Rock
- Smith Rock
- Smith Rock Inc
- Sound Rock Products
- South County Building Material
- Southwest Boulder & Stone
- Southwest Rock Products
- Speedway Rock Products
- Spradlin Rock Products Inc
- Starlight Quarry Products
- Steam Beer Mining LTD
- Steelman-Duff Inc
- Stein Enterprises
- Stony Point Rock Quarry Inc
- Sun Rockeries
- Sun-Ray Landscape Supply Co
- Sunset Lake Quarry
- Sunset Rock
- SWA Mountain Gate Quarry
- Sweet Construction
- Swisshome Rock Quarry
- Syar Industries Inc
- Syar Industries Inc
- T & M Trucking Inc
- Tab Rock & Redi Mix
- Terra Firma Quarry
- Texas Canyon Rock & Sand
- Texas Industries Inc
- Tide Creek Rock
- Timmon's Rock Co
- Trinity Stone
- Twain Enterprises
- Twin Mountain Rock Co
- Txi Boulder
- TXI-Pacific Custom Materials
- V & L Trucking
- Vandehey Logging
- Vernon Zweigle Truck Svc
- Vulcan Materials Co-Calmat Div
- W Johnson Ornamental & Bldg
- Warren's Hauling
- Washington Rock Quarries Inc
- Weedowee Quarry
- Wemhoff Brothers
- Wendling Quarries
- Wendling Quarries
- West Coast Aggregates
- West Oahu Aggregate Co
- Western Rock Products
- Western Slope Aggregates
- Western Stone
- Westpoint Rock Products
- Westside Quarry
- Westside Rock Hayden Quarry
- Whiting Brothers Rock City
- Wholesale Rock
- Wild Rose Quarry
- WITT Excavating
- Wright Brother's Equipment
- Wright Brother's Equipment
- WWD Quarry
- Wyche Ross Shale Pit
- Y S Rock
- Youngquist Brothers Rock
- Yreka Construction Inc
- Yuba Blue Boulders