DAYTON SUPERIOR CORPORATION

Plastics Material and Resin Manufacturing

This includes establishments primarily engaged in (1) manufacturing resins, plastics materials, and nonvulcanizable thermoplastic elastomers and mixing and blending resins on a custom basis and/or (2) manufacturing noncustomized synthetic resins.

Iron and Steel Pipe and Tube Manufacturing from Purchased Steel

Establishments in this category are primarly engaged in manufacturing welded, riveted, or seamless pipe and tube from purchased iron or steel.

Steel Wire Drawing

This includes establishments primarily engaged in drawing wire from purchased steel.