About Us Royal Plastics, Inc. is a custom injection molder of thermo plastics. We have been in business since April of 1978. In March of 1999 we moved into a new 46,000 sq. ft. facility. We are located at 200 32nd Avenue in Brookings, SD. We have molding machines ranging in size from 50 Ton up to 300 Ton. We have a total of 14 machines, three of which are all electric machines. We can mold parts ranging in size from small gram weights up to 2 pounds. We produce over 1300 different items for over 200 customers in the United States and Canada. We have a full service tool room where we maintain the molds run here. We have the ability to produce new molds as well as do changes on existing molds also. In addition to the tool room, we have an engineering department that does our mold design and can also assist in your part design. Our engineering department uses AutoCad and SolidWorks. You may email any drawings directly to our Engineering Department at the following.E-mail address: royaleng@brookings.net. All parts produced go through extensive quality checks beginning with the operator producing the parts and ending with the QA Manager to ensure that only high quality parts are shipped to the customer. Royal Plastics, Inc. has a full time Maintenance department with an excellent maintenance program that covers every piece of equipment in the molding and tooling departments to ensure minimum down time.