United Packaging Corporation is a contract industrial bag filler for multi-wall paper valve bags and plastic valve bags of all types.

Strategically located in the central U.S. since 1987, United Packaging Corporation serves the co packing and bulk bag packaging service needs of manufacturers and distributors of non-hazardous bulk powders, chemicals and related products. Our Midwestern location in the metropolitan St. Louis area makes us an ideal choice for companies looking to outsource their contract packaging, industrial packaging and copacking processes.

United Packaging specializes in filling all types of bags including bulk bags, fibc bags and a variety of valve bags. We also fill fiber drums, Gaylord boxes and more. Bulk product arrives at our facility by rail car or truck, and... (more)


This stage involves gathering all the necessary materials needed to make your product. Some factories provide materials and assembly; sometimes you will need to buy materials separately.


"Production run" means making a lot of one product at once. The factories listed under "production" can produce small and/or large quantities. The minimum order for a production run can vary from factory to factory (some have no minimum, some require a dozen, and some require up to 1,000 to be made at once)