Southern Indiana Plastics, Inc., is a US plastics injection molding company specializing in custom part manufacturing. We work with a wide variety of thermoplastic polymers including different propylene, nylon and polycarbonate materials. Please check out our resins and plastics list page to see a complete list.

SIP, Inc. was established in 1999. We operate a clean injection molding facility utilizing a Total Preventive Maintenance program which decreases down time and concurrently increases production load limits. We are on the foundations of on-time delivery, competitive pricing and high quality parts. We maintain constant communication with our customers and stakeholders throughout the entire injection molding process. We had a 100% on-time parts delivery record in 2015.

SIP, Inc. is more than just a reliable injection molding operation with a record of excellence, we have industry experience and expertise across multiple verticals including the automotive, consumer products and lawn and garden industry. Team member collaboration and involvement enables our company to constantly be thinking of new methods to decrease production time. We maintain an exemplary safety record for employee safety and compliance.

With these foundations we are able to build long-term profitable relationships with our customers. Please browse through our list of services below to see if your company has a need. Please reach out to us at (812)280-7474 or email us and we can design a custom solution