27 Process Costing in Process Industries Process costing is a good fit for companies in process industries in which costs are more easily traced to production departments than to individual prod- ucts. The products are generally produced on a continuous, mass production basis. Process industries often involve the production of a commodity product, and the companies in these industries usually have a small number of relatively homogeneous products. 27 Process Costing in Process Industries Process costing is a good fit for companies in process industries in which costs are more easily traced to production departments than to individual prod- ucts. The products are generally produced on a continuous, mass production basis. Process industries often involve the production of a commodity product, and the companies in these industries usually have a small number of relatively homogeneous products