Dependable Aggregate Supply in the CSRA
For 20 years, Cornerstone has delivered premium aggregates, fill dirt, topsoil, and bulk materials across the CSRA. On-time. On-spec. Every load.
Cornerstone delivered 40 tons of 57 stone for our driveway base exactly when they said they would. Driver placed it right where we needed it and the gradation was clean — no junk mixed in. These guys have been our go-to for three years now.
I needed screened topsoil for a full lawn regrade and was nervous about getting a pile full of rocks and weeds. Their soil screened beautifully, graded smooth, and my sod took root within a week. Honest, on-time, and fairly priced.
We run a small contracting outfit and Cornerstone is the only supplier that consistently hits our gradation specs. They send mill test reports with every load and never leave my crew waiting. Twenty years of experience really shows.
Called on a Monday morning needing structural fill for a foundation pad and they had a truck on site by Tuesday afternoon. Material was clean and compacted perfectly. Passed inspection on the first try. Couldn't be happier.
Used their recycled aggregate for a parking lot base and saved a ton compared to virgin stone. Compacted great and passed our engineer's Proctor test no problem. Will absolutely use them again on the next phase.
The office staff was patient walking me through how much topsoil I actually needed versus what I thought. Saved me from over-ordering. Delivery driver was careful not to damage my driveway. Real professionals from start to finish.
Cornerstone delivered 40 tons of 57 stone for our driveway base exactly when they said they would. Driver placed it right where we needed it and the gradation was clean — no junk mixed in. These guys have been our go-to for three years now.
I needed screened topsoil for a full lawn regrade and was nervous about getting a pile full of rocks and weeds. Their soil screened beautifully, graded smooth, and my sod took root within a week. Honest, on-time, and fairly priced.
We run a small contracting outfit and Cornerstone is the only supplier that consistently hits our gradation specs. They send mill test reports with every load and never leave my crew waiting. Twenty years of experience really shows.
Called on a Monday morning needing structural fill for a foundation pad and they had a truck on site by Tuesday afternoon. Material was clean and compacted perfectly. Passed inspection on the first try. Couldn't be happier.
Used their recycled aggregate for a parking lot base and saved a ton compared to virgin stone. Compacted great and passed our engineer's Proctor test no problem. Will absolutely use them again on the next phase.
The office staff was patient walking me through how much topsoil I actually needed versus what I thought. Saved me from over-ordering. Delivery driver was careful not to damage my driveway. Real professionals from start to finish.
Tired of Late Deliveries and Off-Spec Material?
Nothing burns a crew's schedule like waiting on a truck that never shows, or discovering your aggregate doesn't meet gradation when the inspector arrives. Cornerstone fixes both problems at once — we deliver clean, spec-tested material on schedule, every time. With 20 years serving the CSRA, we know what your project needs and when it needs it.
What Makes Us Different
Three reasons contractors and homeowners across the CSRA choose Cornerstone.
On-Time Delivery, Every Time
Our fleet runs scheduled routes across the CSRA so your material lands within your window — not the next day.
Spec-Tested Material
Mill test reports, gradation data, and Proctor results available on every load. You get what the engineer signed off on.
20 Years of Local Know-How
Two decades serving the CSRA — North Augusta, Grovetown, and Aiken — means we know the soils, the specs, and the schedules.
Our Services
Premium aggregates and bulk materials, delivered on time.
Bulk Material Delivery & Hauling
On-time delivery of aggregates, fill, and landscape materials to your site.
Screened Topsoil & Landscaping Materials
Clean, screened topsoil, mulch, and stone for lawns and landscape beds.
Fill Dirt & Structural Fill
Compactable fill dirt and engineered structural fill for site work.
Why Homeowners in the CSRA Choose Cornerstone
| Feature | Cornerstone | Competitors | Big-Box Yard |
|---|---|---|---|
| ASTM-graded aggregates with mill test reports | — | — | |
| Same-day & scheduled delivery windows | — | — | |
| Site-placed delivery (not just curb dump) | — | ||
| Custom aggregate blending to engineer specs | — | — | |
| 20 years serving the CSRA region | — | — |
Our Process
From quote to delivery in four simple steps.
Request a Quote
Call or submit a request online and tell us what material and quantity you need.
We Confirm & Schedule
Our team confirms availability, pricing, and a delivery window that fits your job.
Material Delivered
Our fleet delivers clean, spec'd material right to your site, placed where you need it.
You Build with Confidence
Grade, compact, and pour knowing your material meets spec and was delivered on time.
Our Work
A look at recent deliveries and projects across the CSRA.
Frequently Asked Questions
Areas We Serve
Proudly delivering across the Central Savannah River Area.
Don't Wait for a Delayed Delivery to Discover a Better Supplier
Get your material quote in minutes. Same-day delivery available across the CSRA.