Allen uses a variety of resins from the world's leading plastic formulators. The following is not our entire list all of suppliers or resins, but is intended to respresent a large portion of the materials we use. The order of the list is not intended to show preference to any particular supplier or resin.

Choosing a resin: Some of our customers have a specific resin or supplier written into their specifications by the end user, while others work with our salespeople and engineers to find the best match for each individual project.