Concrete Aggregates Corporation (CAC) is the Philippines' largest and and only ISO 9001 certified manufacturer of aggregates (crushed gravel and manufactured sand) from 100% crushed basalt rocks. The company is also capable of supplying large volume of natural sand. The company has been successfully exporting its products to several Micronesian countries such as Palau (Compact Road Project Airport) , The Marshall Islands (Airport) and Diego Garcia. Its products have successfully passed the stringent quality requirements and have actually been used for a US Military facility project in Diego Garcia.