Here at RJK Ltd. we specialize in the Plastic and Rubber Industries for injection, blow, transfer, and compression molds. Single cavity proto-type to multi-cavity production molds, including hot sprue and manifold molds. Taken from the concept stage thru to final detailing of the project. We utilize some of the latest in CAD design software, working in 3D and 2D.

With over 50 years of combined experience we can service a vast variety of needs.

We take pride in bringing in your project on time and at a reasonable price.




RJK Ltd. • 37C Meadow Pond Drive • Leominster, MA 01453 • Office (978) 537-4660 -- Cell (978) 235-5581