In 1989, Interacid formed Sulphuric Acid Trading Company, Inc. (SATCO) located in Tampa, Florida. SATCO currently operates an 80,000mt capacity storage terminal for distribution of imported as well as regional acid.

In 1994, Interacid formed Interacid Trading S.A. (ITC), a trading company located in Santiago, and Interacid Chile Ltda. (ICL), a tank terminal operation company. ICL currently operates two storage terminals for regional and imported acid at Mejillones and Punta Patache, both in Northern Chile, with a total capacity of 100,000mt.

In 1996, Interacid formed Interacid Australia Pty Ltd. (IAPL), a trading company located in Melbourne for local balance transactions as well as for import and export of sulphuric acid.

To complement its activities in sulphuric acid trading, Interacid commenced sulphur marketing activities in 1994 on a worldwide basis.