Aromas
A.R. Wilson Quarry
A.R. Wilson Road Materials
Transportation Division
Research Technical Services
A.R. Wilson Quarry
Branch Hours
M–F: 7:00 am – 5:00 pm
- Crushed Aggregates for Ready Mixed Concrete and Asphaltic Concrete (Rock and Sand)
- ChipSeal and Slurry Seal Aggregates (State Spec.)
- Drain Rock and Permeable Materials (State Spec.)
- Caltrans Class 2 Baserock, FAA Baserock, and Subbase
- Gabion Rock (4″ × 12″) and other specialty aggregates
- Dumpsite Services for Broken Concrete and Asphalt


Get Driving Directions to 1900 Quarry Road, End of Quarry Road
For more information on these or any other Graniterock products and services, contact us by phone at 831.768.2000, by FAX at 831.768.2201, or by e-mail to Graniterock Information or A.R. Wilson Quarry Information.
A.R. Wilson Road Materials
Branch Hours
M–F: 7:00 am – 3:15 pm
- Asphalt Emulsions
- Tack Coats
- Prime Coats
- Chip Seals
- CTB Curing Seals
- Fog Seals
- Caltrans Section 39 Slurry Seals
- AR-4000 and AR-8000 Asphalt Cements
- Fabric Application Bars (FABS)
- Granite Seal Asphalt Sealer
- Distributor Truck Fleet
- SC-70 Road Oil
- Oil Spray Pot Rentals
- Paving Fabric Sales
- Crackfillers
Asphaltic Concrete
- Mixes designed to meet city, Caltrans, and Marshall Mix Specifications
- 100% Crushed Aggregate provides greater stability
- Highest R-Value assures durability
- High production from multiple plant sites
- Development of custom products such as Stone Mastic Asphalt (SMA), rubberized asphalt, and GranitePatch, a permanent one-step patching material approved by Caltrans and used rain or shine in pothole repair or street patching.


Get Driving Directions to 1900 Quarry Road, End of Quarry Road
For more information on these or any other Graniterock products and services, contact us by phone at 831.768.2000, by FAX at 831.768.2201, or by e-mail to Graniterock Information or A.R. Wilson Road Materials Information.
Transportation Division
Branch Hours
M–F: 7:00 am – 4:30 pm
- Graniterock Transportation Services offers a wide variety of high-quality delivered products
- Rock products from various sources in Northern California
- Sand and gravel
- Asphaltic Concrete
- Recycled products and waste products
- Top soil & landscaping products
- Commitment to Customer Service
- Radio-dispatched aggregate delivery trucks:
- bottom dump
- end dump
- transfer units
- Reliable, experienced and courteous drivers
- Dispatchers providing professional advice and expertise
- One stop shopping: materials and delivery with one phone call
- Fleet of rail cars to deliver large volumes of rock products
- After hours voice mail service
- Job site visits


Get Driving Directions to 1900 Quarry Road, End of Quarry Road
For more information on these or any other Graniterock products and services, contact us by phone at 831.768.2000, by FAX at 831.768.2201, or by e-mail to Graniterock Information or Transportation Division Information.
Research Technical Services
Branch Hours
M–F: 7:00 am – 4:30 pm
- Provides technical support to all of our:
- aggregate production facilities and maintain a statistical process control report on all aggregates produced from Wilson Quarry, Southside Sand and Gravel, Quail Hollow, and Santa Cruz Sand Plant.
- seven Concrete plants and monitor strength quality and provide mix designs and submittals to all Graniterock customers. All of our technicians are ACI Certified Grade 1 or better.
- five Asphalt Plants with statistical process control. With Asphalt QC/QA specifications we have worked close with Cal-Trans to ensure that our asphalt meets all the specifications of today’s high performance asphalt. All of our technicians are Cal-Trans QC/QA certified acceptance testers.
- Our staff is divided up throughout Graniterock locations with labs in Aromas, San Jose, Redwood City and South San Francisco
View or download the Graniterock Research Technical Services brochure (requires Adobe Reader).


Get Driving Directions to 1900 Quarry Road, End of Quarry Road

For more information on these or any other Graniterock products and services, contact us by phone at 831.768.2000, by FAX at 831.768.2201, or by e-mail to Graniterock Information or Research Technical Services Information.

Keith Severson was the keynote speaker at the 2013 Ohio Asphalt Expo.
Sandra Smith-Dugan’s exhibit is at the Cupertino Design Center. Join us for an artist reception 4.26.2013.