In this post, we’ve featured 9 top injection molding companies in Wisconsin. Continue reading to learn about what they offer. 1. Seljan Company (Lake Mills) Seljan Company is an injection molding specialist based in Lake Mills, WI. Their contract manufacturing company has been operating since 1967, and their technicians bring over 50 years of experience to every … [Read more...] about 9 Top Injection Molding Companies in Wisconsin