Quality Concrete & Block Products
Agricultural Products
Road Surfacing Products
Stone Products
Calcium Carbonate
applications close 20th april 2023
Did you know that a new National Liming Programme has been launched by the Government to help farmers offset part of the expense of using lime?
Product Categories
Agricultural
We offer a range of products suited to the agricultural industry. View Agricultural Products...
Calcium Carbonate
Congcal calcium carbonate is produced from a high purity limestone based in Cregaree, Cong, Co....
Concrete & Blocks
Ready-mixed Concrete is the most widely used construction material in the world. Whether you’re building...
Road-Surfacing
McGraths Limestone has been producing Asphalt & Macadam products for the past 20 years. Our experienced Road Crew provide sustainableStone
McGraths Limestone have all types of crushed limestone aggregates, filling and hardcore available from our quarries in Cong and Newbrook.
Serving customers for over 60 years

People First
Our values and principles are honesty, integrity and respect for people.
A family affair now and then
A family business since the early 1960's.
Sustainability in mind
As a company we to operate with due consideration and respect for the environment at all times.




“McGraths of Cong have been a supplier to Michael O Malley Tarmacadam Contractors Ltd for a long number of years. We can only praise their professional , prompt and courteous service. The quality of their product is outstanding and can be seen in many of our pavement overlay contracts around Mayo and Galway.”
Michael O’Malley
Tarmacadam Contractor
“Rusal Aughinish is the largest alumina refinery in Europe and the largest of the alumina facilities operated by UC RUSAL.The plant was built between 1978 and 1983 and had an initial rated capacity of 800,000 tonnes a year. The current annual capacity of the refinery is in excess of 1.8 million tonnes of alumina. Rusal Aughinish has always been to the forefront in terms of technology in the industry. Year after year it implements the most modern technologies available to ensure it remains one of the top alumina producers in the world.“
McGrath’s Limestone have supplied Rusal Aughinish for past number of years, during this time they have helped Aughinish to maximise efficiency by producing specialised granular and powder calcium carbonate products customised to their needs.
Rusal Aughinish
Want to join our Team?
Check out our careers page for all current opening.
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Concrete Calculator
How much concrete do I need?
Using our concrete mix calculator, simply select the shape you need and input the dimensions to view your results. You can also enter multiple shapes to calculate the total concrete required for different parts of a project. This allows you to easily estimate the concrete needed for various areas of your job.
As the leader in ready-mix concrete solutions, McGraths Limestone Cong offers expert guidance and technical support to ensure you receive the highest quality mix, tailored to meet prescribed requirements.
Once you’ve submitted your details, we’ll reach out to assist you with your quote and discuss any additional needs. For further assistance, please
Fill Area Here
Total Volume: 0.000 m³

