Steinwall purchased a new 145,500 square foot building to support our dedication to creating an enriching difference for our customers. This brings our total facility capacity to 246,100 square feet!

Together, these two facilities house 55 plastic injection molding presses ranging in size from 30 to 1,750 tons, including horizontal, vertical, and 2-shot varieties. Steinwall’s new offsite warehouse supports our secondary assembly, decorating, and distribution services.

Steinwall is proud to be a recognized leader in the plastics industry. Our culture of excellence, integrity, and ingenuity are the footprints of our past and the foundation of our future. Minneapolis-based Steinwall is a custom injection molding company with expertise is in tight tolerances, complex designs, precision molds, and engineering grade resins.

Steinwall fulfills our commitment to our customer partnerships by providing quality, on time, and competitively priced component plastic parts and assemblies. Our scholar-practitioner environment is the differentiator; this approach to injection molding earns us awards for excellence and leadership all translating into enriching experiences.

Steinwall is a WBENC Certified Woman-Owned Plastic Injection Manufacturing Company of the Midwest, servicing Minnesota, North Dakota, South Dakota, Wisconsin, Iowa, Illinois, Nebraska, and Ohio. Steinwall has been a Woman Owned corporation since 1985, when Maureen Steinwall purchased the company from her father, the founder, Carl Steinwall.