Columbia is a leader in surface finishing additives. Columbia Chemical develops and manufactures unique and environmentally friendly processes, from pre-plate to post-plate, including cleaners and acid inhibitors to brighteners, chromates, topcoats, and finishing aids. Columbia has recently expanded its product line into the decorative finishing market. Proud to be 100% employee-owned and ISO 9001:2008 approved, our 44,000-sq-ft headquarters in Brunswick, Ohio houses manufacturing, R&D, technical support, and customer service under one roof.