2011 Southtech Drive, Suite 100
Greenwood, IN 46143 | map | directions
Ms. Abby Robertson Ms. Abby Robertson
(317) 536-7445 | fax: (317) 536-7449
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FacebookTwitterLinkedInYouTubeInstagramPinterest is the flagship site of National Trade Supply, a leading e-commerce company in the home improvement industry. Featuring a vast array of filtration products, National Trade Supply and its affiliate companies, Midwest Purification and National Filter Sales, pride themselves on providing customers with 100% U.S. sourced raw materials and products made right here in Greenwood, Indiana. National Trade Supply is located just minutes south of Indianapolis in a 68,000 sq. ft. office and warehouse that holds more than 250,000 products as well as a growing number of employees. has also had the honor of receiving several growth awards, including the Inc. 500 List of Fastest growing companies and Internet Retailer Top 500 retailer.
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 (Date: 6/2/2023)