The quarry provides Breedon with an interest in approximately 3.4 million tonnes of high 'polished stone value' (PSV) aggregates.
Breedon said that sources of aggregates with a PSV of more than 68 were scarce and Tan-y-Foel has some of the highest quality reserves in the country. High PSV stone has a high skid resistance and is therefore in great demand for surfacing roads with heavy traffic flows.
The business will continue to trade as HV Bowen and will be jointly managed by Breedon Aggregates England Ltd and the Bowen family, who have owned and operated the quarry for more than 70 years.
Breedon already owns a sand & gravel quarry near Mold in North Wales and the joint venture with HV Bowen expands the company's operations into mid-Wales for the first time.
Breedon Aggregates England chief executive Tim Hall said: "We're pleased to have secured access to some of the highest quality PSV stone in the country, which will provide a ready supply of this key aggregate to our asphalt plants. It will also enable us to extend our reach into an important new market for aggregates and readymix."