IQS Directory provides an extensive list of plastic envelope manufacturers and suppliers in . Utilize our website to review and source plastic envelope manufacturers with our easy-to-use features which allow you to locate plastic envelope companies that will design, engineer, and manufacture plastic envelopes for your exact specifications. Our request for quote forms make it easy to connect with leading plastic envelope manufacturers. View company profiles, website links, locations, phone number, product videos, customer reviews, product specific news articles and other production information. We are a leading manufacturer directory who will connect you with the right manufacturers whether you are looking for clear plastic bags, poly bags, or zip lock bags.