GKUC international (pvt) Ltd. is a premium manufacturer and supplier of a wide portfolio of bituminous products. Since our inception in 2009, we have consistently been one of the fastest growing players in this industry; primarily due to our commitment to quality and sound management principles.

We use state of the art manufacturing infrastructure with the most technologically advanced machinery to produce the highest quality and best-performing products.

Being a Ministry of Industry & Commerce and Industrial Development board compliant organization, we focus single-mindedly on building value for our esteemed customers through our unique client management system.

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We procure the best quality ingredients for our products from the most reputed government refineries and private suppliers.

We, at GKUC International (Pvt) Ltd, understand the needs of the rapidly growing infrastructure sector and the economy, and are committed to meet the expectations of our clients with our high-capacity production facilities and our commitment to providing the highest quality products and services.


To become the leader in the market of bitumen products supply in Sri Lanka.


To continually improve the standards of products and services by maintaining a work environment that encourages exemplary service to our customers while adding value to stakeholders through quality and professionalism.


The numerous awards GKUC has won speak to the excellence of the products and services provided by the company.

Best Entrepreneur (Large Business) – Gold Award

GKUC International (Pvt) Ltd was awarded the prestigious Gold Award for Best Entrepreneur – Large Business Category of Sabaragamuwa Province for three consecutive years; 2016, 2017 and 2019, organized by the National Enterprise Development Authority (NEDA) and the National Chamber of Commerce of Sri Lanka.

Best Young Entrepreneur

The Managing Director of GKUC International, Mr. Kasun Dissanayake was recognized as the Best Young Entrepreneur of the years 2016, 2017, and 2018 of Sabaragamuwa Province, organized by National Enterprise Development Authority (NEDA) and the National Chamber of Commerce of Sri Lanka.

We are the Best Bitumen Company in Sri Lanka