Industrial Supply of Guyana Inc. (I.S.G) became a subsidiary of MACORP on the 1st March 2003 and is the Sole Distributor of National Petroleum (NP) products (which include Ultra lubricants), NAPA Batteries, INTERNATIONAL® Trucks, Parts and Batteries, SKF Seals/Bearings, Lincoln Lubrication systems and e-Power Generators in Guyana.  Over the past eighteen years, I.S.G has actively promoted localization and multicultural integration. Its local employees now account for 98% of the total workforce.  

 Since its establishment in 2003, I.S.G has grown to become one of the premier oil/lubricant companies, and an organization known for its technical and entrepreneurial expertise. This achievement stems not only from the quality of its products but also from its sustained business success as a reliable supplier in the local market. I.S.G enjoys an outstanding reputation as a leader in the field of technology, for its character as a company committed to protecting the natural environment as well as for promoting the interests of its stakeholders, its employees, its customers, and the local communities it serves.