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Providing the Very Best in Custom Molding
   or call 314-487-4557 
Centrally located in St. Louis, Missouri, USA
Modern 400,000 square foot plant on 17 acres.
Press sizes from 100 to 1780 tons.
Production 24 hours per day, 5-7 days a week.
Machine capabilities from small 375 gram parts to pieces weighing over 35lbs make Semco Plastic Company one of the leading blow molders in the Midwest.
Servicing many industries including Hardware, Medical, Electronics, Appliances, Automotive and Lawn and Garden.
Providing customers the very best in custom molding since 1944.

Facts About Semco Plastic Company
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Made in the USA Semco products are made of recycled materials Copyright © 2009 Semco Plastic Company, Inc. All rights reserved. Privacy Policy