This document classifies industrial products into three categories: 1) Materials and Parts which includes raw materials like farm products and natural products as well as manufactured materials and parts; 2) Capital Items such as installations and equipment; and 3) Supplies and Services including maintenance/repair supplies and operating supplies. Raw materials directly enter the final product while capital items affect production costs and supplies/services facilitate operations. Examples of industrial products are provided like eggs, oil, electronic components, and computer programming services.