Top 10 Sweater Manufacturers in USA 2026-2027: Trusted Suppliers for Global Brands

This guide, detailing leading U.S. sweater manufacturers, Our mission is to offer comprehensive, unbiased market insights to help brands worldwide compare and evaluate global sourcing options, including both domestic and international manufacturing solutions. We strive for objectivity and accuracy in all our reports.

Finding the right US knitwear partner requires knowing more than just location. As global supply chain experts, KnitSeek leveraged our deep knowledge of both domestic and international manufacturing standards to compile this unbiased, authoritative guide. Use our insights on MOQs, core yarns, and key certifications to select the perfect American factory for your brand’s specific needs.

Global Knitwear Market

According to Market Research Future, The global knitwear market was valued at USD 907.60 billion in 2024 and is expected to reach USD 2263.28 billion by 2032. During the forecast period of 2026 to 2032 the market is likely to grow at a CAGR of 12.10%, primarily driven by sustainable and ethical fashion movement. This growth is driven by factors such as ethical manufacturing, eco-friendly materials and low-waste production

In this guide, we review the top 10 sweater manufacturers in USA, highlighting their specialties, locations, and services. Whether you are launching a small brand or scaling a retail chain, these American knitwear factories can help you achieve your goals.

Comparison Table:

1. Simply Knitting Mills, Inc.

Founded in 1993, Simply Knitting Mills is a family-owned custom knit sweater manufacturer usa. They specialize in fully fashioned knitwear and offer extensive prototyping services.

• Location: Brooklyn / Ridgewood, New York
• Core Yarns & Certifications: Focuses on natural and high-quality fibers such as Wool, Cashmere, and premium Cotton.
• Best For: High-end fashion brands that require technical expertise and boutique-level production.
• Website: Simply Knitting Mills, Inc

2. Ball of Cotton, Inc.

Ball of Cotton is a Los Angeles-based knitwear manufacturer established in 1991. Known for their premium yarn blends, they supply brands across the USA.

• Location: Commerce, Los Angeles, California
• Core Yarns & Certifications: Specializes in luxury blends using Pima Cotton, Merino wool, Mohair, and Cashmere.
• Website: Ball of Cotton
• Best For: Luxury and lifestyle brands that want Made in California sweaters.

3. Tailored Industry 

Tailored Industry is a tech-driven knitwear factory using 3D knitting machines to enable zero-waste sweater production. They also provide fulfillment solutions for e-commerce brands.

• Location: Brooklyn, New York
• Core Yarns & Certifications: Focuses on yarns compatible with 3D knitting. Given their zero-waste focus, they gravitate toward recycled fibers and yarns compliant with standards like OEKO-TEX Standard 100.
• Website: Tailored Industry
• Best For: Sustainable labels and startups seeking Low MOQ Knitwear Production in New York.

4. Whalerknits / Merrow Group

Whalerknits is part of the Merrow Group, producing sweaters in New England’s historic textile hub. Their products are often maritime-inspired.

• Location: Fall River, Massachusetts
• Core Yarns & Certifications: Core products utilize 100% Cotton and wool blends. The Merrow Group link ensures Berry Amendment Compliance (a standard required for certain US government and military textiles).
• Website: Whalerknits
• Best For: Heritage brands looking for authentic Massachusetts sweater craftsmanship and those needing Berry Amendment compliant production.

5. Royal Apparel

Royal Apparel is a well-known USA apparel manufacturer offering jumpers, fleece, and knitwear basics.

• Location: Hauppauge, New York
• Core Yarns & Certifications: Specializes in sustainable fibers including 100% Organic Cotton, RPET (Recycled Polyester), Viscose Hemp, and Viscose Bamboo.
• Website: Royal Apparel
• Best For: Streetwear and eco-friendly fashion labels prioritizing certified sustainable yarns.

6. Evolution Knitwear

Evolution Knitwear provides flexible knitwear solutions, catering to both large and small brands. They are one of the few sweater factory in the Pacific Northwest.

• Location: Washington State, USA
• Core Yarns & Certifications: Offers versatile solutions and works with a wide range of standard commercial fibers, depending on the client’s needs.
• Website: Evolution Knitwear
• Best For: Brands seeking West Coast sweater manufacturing outside California with flexible customization needs.

7. Oliver Charles

Oliver Charles focuses on seamless 3D knit sweaters. Their designs use sustainable yak wool and merino, promoting longevity and comfort.

• Location: New York, USA
• Core Yarns & Certifications: All wool is RWS (Responsible Wool Standard) Certified. They utilize traceable US Merino wool (Shaniko wool with NATIVA Regen + RWS certification) and sustainable Yak wool.
• Website: Oliver Charles
• Best For: Direct-to-consumer brands emphasizing traceability and high-level ethical certifications.

8. Zooby Promotional

Zooby Promotional is a custom promotional sweater manufacturer offering logo sweaters, uniforms, and branded apparel.

• Location: Illinois, USA
• Core Yarns & Certifications: Focuses on cost-effective, customizable fibers such as Acrylic, Polyester Blends, and standard Cotton.
• Website: Zooby Promotional
• Best For: Corporate clients and promotional products suppliers requiring custom logo services and competitive pricing.

9. American Giant

American Giant is a premium apparel brand producing sweaters, hoodies, and knitwear in the USA. Their reputation is built on quality and durability.

• Location: San Francisco, California
• Core Yarns & Certifications: Known for using proprietary Heavy-weight Cotton yarns for exceptional garment structure and durability.
• Website: American Giant
• Best For: Fashion brands seeking high-quality, premium American-made sweaters known for exceptional durability.

10. Beautiful Connection Group

Beautiful Connection Group provides private label knitwear manufacturing services, including sweaters and cardigans.

• Location: United States, New York
• Core Yarns & Certifications: A private label manufacturer whose strength lies in its flexible global sourcing to meet a wide variety of yarn and certification requirements for its US-based clients.
• Website: Beautiful Connection Group
• Best For: Private Label Sweater Manufacturer and startup fashion brands requiring versatile sourcing support.

FAQ

Q1: Who are the best sweater manufacturers in USA?
A1: Leading manufacturers include Simply Knitting Mills (NY), Ball of Cotton (CA), Tailored Industry (NY), and Whalerknits (MA).

Q2: Can small brands work with US sweater factories?
A2: Yes. Companies like Tailored Industry and Zooby Promotional accept low minimum orders, suitable for startups.

Q3: Which states have the most sweater factories?
A3: New York and California are the main hubs, followed by Massachusetts and Washington.

Q4: Why choose a Made in USA sweater manufacturer?
A4: Benefits include ethical labor standards, higher quality control, shorter lead times, and stronger brand reputation.

Q5: When should I consider an overseas manufacturer over a US one?
A5: Overseas manufacturers, like those we partner with in Asia, are typically recommended for projects requiring high-volume scale, extreme cost efficiency, or access to specialty yarns/processes not readily available in the US. They are often best for seasonal mass-market collections.

Conclusion

The USA remains a strong player in sweater and knitwear manufacturing, with key hubs in New York, California, Massachusetts, and Washington. By choosing the right partner, brands can deliver high-quality American-made sweaters that resonate with today’s conscious consumers.

However, if you need a well-known global OEM/ODM brand with high-quality craftsmanship, shorter production lead time (7-10 business days), an excellent communication team, a fashion business supporter, etc., look no further than KnitSeek. We offer customized services, including yarn material, color and size, design and sample development, logo labels and tags, etc. Want to learn more? Contact us today! 

References:

• Simply Knitting Mills: Official Website
• Ball of Cotton: Official Website
• Tailored Industry: Official Website
• Whalerknits: Official Website
• Royal Apparel: Official Website
• Others cross-checked via ThomasNet & sourcing references