Our Story
We unearthed Oldcastle’s Story of Purpose by taking a
journey back in time.

Oldcastle’s roots are seated in the rich history of two entrepreneurial brothers who went into business in 1930s Ireland with nothing more than a sand and gravel pit and a single truck. Our growth has been fueled by the pioneering spirit of Oldcastle’s first employees, who forty years later crossed the Atlantic Ocean full of optimism and a commitment to building relationships. They sealed the first deal, acquiring Amcor in 1978, and planted CRH’s first footprint in North America – under the name Oldcastle.

Today, Oldcastle is the largest building materials company in North America and operates with these five Guiding Principles. These principles embody the values of the hundreds of entrepreneurs who make up the family of businesses known as Oldcastle.



MAKE SAFETY OUR FAMILY BUSINESS — At Oldcastle, we’re a family made of families and there’s nothing families care more about than keeping each other safe. That’s why we consider it our moral obligation to make sure our family comes home to their families at the end of each day.

LIVE ON THE LEVEL — We keep our word, and the word gets out. If we say it, we mean it. That’s why we’ve become a leader. Whether we’re on a site or out of sight, we do what’s right by our employees, our customers, and our communities.

BUILD RELATIONSHIPS — Oldcastle has grown handshake by handshake because we understand that the greatest asset of any business is its people. We’ve forged and reinforced alliances that have thrived for generations — transforming transactions into connections with mutual respect and support.

DELIVER LOCALLY, EVERYWHERE — We’re a local business that’s located everywhere. We give our leaders local freedom and a national framework so they can make the best decisions for their businesses and their teams. Our broad network of resources supports this local entrepreneurial spirit and grows value.

FORGE A BETTER WAY— We find a way to make it work and make it work better. We constantly improve and innovate our products, services, and ourselves to exceed our customers’ expectations. Because we know the very structure of people’s lives rests on our infrastructure.

View Video of Our Story

Story of Origin