About Sweenie Manufacturing

Sweenie Manufacturing is a private label clothing manufacturer and full-service product development firm specializing in swimwear and activewear.

Our Story as a Private Label Clothing Manufacturer

Sweenie Manufacturing was founded in New York by Diane Walker and Stacey Demar in 2008.  It was created to help both entrepreneurial start-ups and established brands bring their clothing vision to life. Together, they have more than 30 years of valuable expertise.

our mission

Our mission at Sweenie Manufacturing is to support entrepreneurs in bringing their clothing vision to life while providing comprehensive solutions for established brands.

What Makes Us Different

Sweenie Manufacturing pledges to be an ethical apparel manufacturer. We source fabric from eco-friendly mills all over the world. We are an all-female owned and operated company. As is our exclusive partnership factory in Colombia. The factory provides above-average wages, retirement packages, and health insurance.

In our pursuit, we offer full textile and product development, as well as sourcing and production. We provide design, consulting, and production services.

Sweenie Manufacturing has become a trusted industry leader. We've established ourselves as a prominent service for private label clothing manufacturing. Our solutions are high-quality and scalable. We offer a streamlined path from idea to market.

We are flexible and creative. We stand behind our work and our process. We believe we have found a way to do good while being good. We put positive creativity into the world.

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Industries We Serve

Sweenie Manufacturing is based in the United States. But the work we do impacts the entire world. Our supply chain spans many countries. Our exclusive factory partner is located in Bogotá, Colombia.

As a private label clothing manufacturer, we touch many different types of products. We provide versatility while helping you build and maintain a strong identity.

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Swimwear Brands

Swimwear collections are our core strength. We understand fit, function, and fabrication intimately. Whether your focus is women’s bikinis, men’s trunks, or stylish unisex sets, we can help. We deliver garments engineered to move effortlessly with the body. And they stand out on the retail floor.

Activewear Clothing Manufacturers

In activewear, comfort meets style. We make clothing that is performance-driven and still looks spectacular. Sets for all ages and genders. There is no limit on the specialty categories available within this genre. Our expertise will help craft lines that are durable, beautiful, and comfortable.

Ready-to-Wear & Private Label Brands

We produce in a wide variety of ready-to-wear (RTW) categories, blending comfort with refined tailoring. From woven and knits, including hand-finished crochet. To specialty pieces like coverups, dresses, blouses, tops, skirts, pants, and more. We can manufacture sets for women, men, and kids. From concept to final stitch, we will guide you through the entire process.


Our Founders


Diane Walker

Design and Production Director

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Stacey Demar

Director of New Business

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Let’s Get Started

If you need a private label clothing manufacturer, think Sweenie Manufacturing. We’ll help you with any clothing line and category you can dream up, crafting high-quality and gorgeous pieces.

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