Mcquillan Companies Ltd investment portfolio

Edentrillick Quarries Limited operates a quarry that produces high‑PSV aggregates, construction fill materials and bituminous products for road and construction applications. The company supplies these materials to public and private contractors, meeting British and European standards.

John McQuillan (Contracts) Limited is a civil‑engineering and road‑surfacing company that delivers road construction and maintenance, civil‑engineering works, surface treatments, bituminous surfacing and demolition services to public and private sector clients, including local authorities and councils across Northern Ireland, the Republic of Ireland and Scotland.