SWD Inc. is a premier metal finishing and fastener sorting facility located in Addison, Illinois, just west of Chicago. With over 40 years of experience, they specialize in providing exceptional production quality and complete customer satisfaction in services such as black oxide, passivation, phosphating, dip spin coatings, and fastener sorting.
As the largest black oxide shop in the Continental United States, SWD Inc. has established a tradition of excellence and environmental conservation. They were the first metal finishing and fastener sorting company in the U.S. to receive ISO 14001 certification, demonstrating their commitment to industry standards and best practices. With a 200,000 sq. ft. facility and a dedicated team of over 200 employees, SWD Inc. continues to be a recognized leader in the industry.
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