US Plastics and Injection Molding ExpertsSouthern Indiana Plastics, Inc., a US plastics injection molding company specializing in custom parts consisting of thermoplastic polymers such as polypropylene and nylons such as nylon 6 and 66. SI Plastics was established in 1999. We operate a clean facility utilizing a Total Preventive Maintenance program which decreases unexpected down time and at the same time increases our production load limits. Our company is built on the foundations of always on-time delivery of competitively priced, high quality parts, enhanced by constant communication with our customers and stakeholders. We have 100% on-time parts delivery in 2015. SI Plastics, Inc. is more than just a reliable custom injection molding operation with a track record of excellence, we also have expertise across multiple verticals including but not limited to automotive, consumer products and lawn and garden. Employee teamwork and involvement in all processes enables us to listen to all ideas that could potentially improve our business. We make sure we to deliver quality products and maintain an exemplary safety record. With the foundations set here at SI Plastics, Inc, we are able to earn loyalty with our customers and maintain long-term relationships. Please browse through our list of services below to see if your company has a need. If there is a service you require that is not listed, please reach out to us and we can design a custom solution based on your project needs.