RSP, Inc was founded over 50 years ago as Ryan Screen Printing, Inc. The company was established by Robert Ryan and his brother John Ryan in the basement of their parents' house. Their father, Norbert Ryan, saw the success his young boys were having and joined the business for a number of years, helping the company to expand and invest in new-and-improved equipment. The first products produced included real estate signs and advertising banners for Schlitz Brewing. Over the years, the company worked with a variety of local manufacturers and businesses including Rockwell Automation, Miller Brewing, Johnson Controls, and many more!

In 2005, RSP ownership and operations were passed to the next generation, Mike Ryan and Paul Ryan. This is a business built on family values, integrity and trust. The new owners broadened the company's offerings to include plastic molding, rubber molding and electronics. As these new products became a substantial part of the business, the company name was officially changed to RSP, Inc in 2009 to reflect the variety of offerings while at the same time providing a tie to the company's history.