Ritus specializes in the design and manufacture of custom-molded products, including wiring grommets, ducts and hoses, seals, custom-molded rubber parts and custom-molded plastics. Ritus mainly serves customers in the automotive, industrial, marine, small engine and power sports/ recreational vehicle markets.Due to customer demand and advancements in material development, the corporation expanded to include a plastic injection molding division. Ritus could then provide customers higher quality manufactured plastics, for a competitive price, while serving as a single source solution for their purchasing needs. Ritus also acquired Classic Molding based in Schiller Park, Illinois to further expand their plastics capabilities.

The company purchased the seal division of John Crane, based in Vandalia, Illinois, renaming it Vanseal. These additions, furthered developed Ritus’ capabilities and broadened its range of manufacturing processes to meet customer needs.Ritus houses over 200 rubber and plastic molding machine presses ranging from 10 to 500 tons. The plants contain over 84 pieces of equipment that support numerous secondary service operations including a test lab, a camera vision system, cryogenic deflashing, material and tool design, overmolding, hot stamping, welding, and assembly.  Ritus Corporation, along with Classic Molding and Vanseal, are all portfolio members of Corporate Group, Inc., a private investment firm based in Milwaukee, Wisconsin with a diversified, long-term, strategic vision for growth.