SWD Inc.

SWD Inc. is a leading company in the metal finishing and fastener sorting industry, based in Addison, Illinois. With a facility covering 200,000 square feet and a workforce of over 200 employees, the company operates three shifts daily. SWD Inc. is recognized for its commitment to environmental conservation and quality production, being the first in its field in the U.S. to achieve ISO 14001 certification.The company specializes in various services, including metal finishing processes such as Black Oxide, Passivation, Phosphating, and Dip Spin Coatings. SWD Inc. is the largest Black Oxide shop in the Continental United States. Additionally, it offers comprehensive fastener sorting services for screws, nuts, bolts, and washers, ensuring that these components meet precise specifications. SWD Inc. enhances existing metal components, improving their durability and appearance for industries like automotive, aerospace, and construction. As of 2025, the company reported an annual revenue of $38.3 million, reflecting its strong market presence.