Whether you need low-volume, inventory-free 3D seamless knitting; engineered performance fabrics that hold up to military specs; or a heritage heavy-gauge mill that still runs shaker-knit like it's 1950, the domestic market still has a solid bench of capable players.
Below is our rundown of the Top 5 U.S.-based sweater and knitwear manufacturers—a close look at their equipment, yarn capabilities, and core business models, to give you a practical sourcing roadmap.
| Manufacturer | Location | Core Knitting Equipment | MOQ Policy | Core Technical Strength | Main Target Clients |
|---|---|---|---|---|---|
| Simply Knitting Mills | Brooklyn/Ridgewood, NY | STOLL computer flat knitting machines | Low MOQ agile production | Fully-fashioned knitting, complex cable/jacquard sampling | High-end independent designers, contemporary luxury brands |
| Tailored Industry | Brooklyn, NY | Shima Seiki WHOLEGARMENT® seamless machines | 0 MOQ | 3D whole-garment on-demand production, Shopify API dropshipping | DTC brands, Shopify sellers, sustainability-focused labels |
| Whalerknits | Fall River, MA | Merrow overlock sewing machines | Bulk wholesale + small contract | Heavy-gauge shaker knit, full vertical production, lifetime repair | Vintage workwear, Ivy/preppy nautical heritage brands |
| Straus Knitting Mills | St. Croix Falls, WI | 400+ knitting machines + in-house dyehouse | Large scalable bulk | Tactical/MIL-SPEC technical knit, flame/cut-resistant fabrics | Military suppliers, medical & industrial protective apparel |
| Binghamton Knitting Company | Binghamton, NY | Computerized flat knitting machines | Flexible small & mass order | Vintage fisherman cable knit, jacquard blankets, vertical finishing | Fortune 500 enterprises, corporate promo goods, heritage apparel |
Simply Knitting Mills, Inc.
Established in 1993 and headquartered in the Brooklyn/Ridgewood area of New York, Simply Knitting Mills is a family-owned custom sweater manufacturer with deep roots in the New York metro knitting trade. The operation sits as a key node in the domestic knitwear supply chain, balancing traditional local craftsmanship with modern computer flat knitting technology. The mill specializes in fully-fashioned garment production and rapid technical sampling, with the in-house pattern engineering capability to translate complex designer specs—from classic cable structures to intricate jacquard motifs—into production-ready knitwear.
Manufacturing Capabilities & Technical Specs
Hardware: Equipped with a fleet of advanced STOLL computer flat knitting machines, optimized for 3D knitting applications and high structural stability.
Gauge Range: Core capacity spans 3.5-gauge to 10-gauge, covering mid-to-fine gauge classifications.
Service Offerings: Provides comprehensive development-to-production support, including swatch development, stitch-structure engineering, sample making, and stable bulk production runs.
Material Competencies: Experienced with premium natural fibers—wool, cashmere—as well as engineered technical yarns for specialized stitch constructions.
Company Snapshot
Location: Brooklyn / Ridgewood, NY, USA
Core Categories: Fully-fashioned pullovers, cardigans, hats, scarves, and children’s knitwear
Target Clients: High-end contemporary brands and independent designers requiring technical precision, low-minimum agile production, and a verifiable "Made in the USA" sourcing designation.
Established in 1993 and headquartered in the Brooklyn/Ridgewood area of New York, Simply Knitting Mills is a family-owned custom sweater manufacturer with deep roots in the New York metro knitting trade. The operation sits as a key node in the domestic knitwear supply chain, balancing traditional local craftsmanship with modern computer flat knitting technology. The mill specializes in fully-fashioned garment production and rapid technical sampling, with the in-house pattern engineering capability to translate complex designer specs—from classic cable structures to intricate jacquard motifs—into production-ready knitwear.
Manufacturing Capabilities & Technical Specs
Hardware: Equipped with a fleet of advanced STOLL computer flat knitting machines, optimized for 3D knitting applications and high structural stability.
Gauge Range: Core capacity spans 3.5-gauge to 10-gauge, covering mid-to-fine gauge classifications.
Service Offerings: Provides comprehensive development-to-production support, including swatch development, stitch-structure engineering, sample making, and stable bulk production runs.
Material Competencies: Experienced with premium natural fibers—wool, cashmere—as well as engineered technical yarns for specialized stitch constructions.
Company Snapshot
Location: Brooklyn / Ridgewood, NY, USA
Core Categories: Fully-fashioned pullovers, cardigans, hats, scarves, and children’s knitwear
Target Clients: High-end contemporary brands and independent designers requiring technical precision, low-minimum agile production, and a verifiable "Made in the USA" sourcing designation.
Tailored Industry
Tailored Industry operates out of the Brooklyn Army Terminal, positioning itself as a technology-disruptive knitting factory within New York City’s manufacturing corridor. The company is a clear frontrunner in the U.S. agile-manufacturing space, having abandoned traditional inventory-heavy bulk production models entirely. By integrating e-commerce platforms—specifically Shopify—directly with 3D seamless knitting technology, Tailored Industry offers true on-demand production. The model achieves zero manufacturing waste while allowing brands to launch high-end knitwear with minimal financial exposure.
Manufacturing Capabilities & Technical Specs
Hardware: Runs a full complement of Shima Seiki WHOLEGARMENT® flat knitting machines, enabling fully fashioned, seam-free construction from a single strand of yarn.
Supply Chain & Minimums: Operates with a zero-MOQ policy. Its proprietary Shopify plugin allows brands to route retail orders directly to the factory for white-label dropshipping, with a typical turnaround of 3–9 business days from order placement to shipment.
Development & Service Tiers: Offers a three-level partnership structure—Boutique (instant sell-from-stock using 300+ base silhouettes), Studio (modified customizations from existing fits), and Flagship (full custom development).
Material Competencies: Maintains a constantly stocked yarn library of global premium goods, including Italian merino wool, Scottish cashmere, Italian cotton, and eco-conscious fibers like Lenzing EcoViscose.
Company Snapshot
Location: Brooklyn, NY, USA
Core Advantage: 3D seamless knitting technology, API-integrated on-demand production network, and a zero-inventory operational model
Minimum Order Quantity: 0 MOQ (single-piece production supported)
Target Clients: DTC brands focused on lean inventory, Shopify merchants, emerging designer labels, and sustainability-focused contemporary apparel houses
Website: https://tailoredindustry.com
Tailored Industry operates out of the Brooklyn Army Terminal, positioning itself as a technology-disruptive knitting factory within New York City’s manufacturing corridor. The company is a clear frontrunner in the U.S. agile-manufacturing space, having abandoned traditional inventory-heavy bulk production models entirely. By integrating e-commerce platforms—specifically Shopify—directly with 3D seamless knitting technology, Tailored Industry offers true on-demand production. The model achieves zero manufacturing waste while allowing brands to launch high-end knitwear with minimal financial exposure.
Manufacturing Capabilities & Technical Specs
Hardware: Runs a full complement of Shima Seiki WHOLEGARMENT® flat knitting machines, enabling fully fashioned, seam-free construction from a single strand of yarn.
Supply Chain & Minimums: Operates with a zero-MOQ policy. Its proprietary Shopify plugin allows brands to route retail orders directly to the factory for white-label dropshipping, with a typical turnaround of 3–9 business days from order placement to shipment.
Development & Service Tiers: Offers a three-level partnership structure—Boutique (instant sell-from-stock using 300+ base silhouettes), Studio (modified customizations from existing fits), and Flagship (full custom development).
Material Competencies: Maintains a constantly stocked yarn library of global premium goods, including Italian merino wool, Scottish cashmere, Italian cotton, and eco-conscious fibers like Lenzing EcoViscose.
Company Snapshot
Location: Brooklyn, NY, USA
Core Advantage: 3D seamless knitting technology, API-integrated on-demand production network, and a zero-inventory operational model
Minimum Order Quantity: 0 MOQ (single-piece production supported)
Target Clients: DTC brands focused on lean inventory, Shopify merchants, emerging designer labels, and sustainability-focused contemporary apparel houses
Website: https://tailoredindustry.com
Whalerknits
A division of the Merrow family of companies—with roots stretching back over 180 years—Whalerknits was established in 1975 and operates from Fall River, Massachusetts. The mill is one of the few remaining fully vertical sweater factories in the U.S., preserving the New England knitting tradition with a distinct focus on heavy-gauge, high-durability product. From yarn-in to garment-out, all processes—knitting, cutting, linking, and finishing—occur under one roof. True to its heritage, the company offers a lifetime mending service on its products.
Manufacturing Capabilities & Technical Specs
Hardware: The factory floor runs on Merrow-brand overlock machines, manufactured in-house by the parent company. The family business is the originator of the industrial overlock technology, and the widely recognized "Merrowing" finish derives directly from this machinery.
Stitch & Construction: Deeply proficient in traditional heavy-gauge techniques, including shaker-knit, high-gram jersey pullovers, rollneck collars, and chunky zippered cardigan constructions.
Service Offerings: Provides end-to-end, 100% U.S.-based vertical manufacturing, supporting wholesale accounts, contract production, and after-sale repair work through a dedicated mending line.
Material Competencies: The mill’s core expertise lies in heavy, 100% cotton goods, engineered specifically for cold, damp maritime climates. The resulting fabrics are dense, textured, and highly durable.
Company Snapshot
Location: Fall River, MA, USA
Core Categories: Heavy-gauge cotton sweaters, shaker-knit pullovers, rollneck sweaters, knitted cardigans, and premium woven/knit blankets
Core Advantage: 100% vertical U.S. manufacturing, proprietary Merrow overlock finishing, and a lifetime mending guarantee as a quality statement
Target Clients: Vintage workwear brands, New England Ivy/nautical-style labels, sustainability-driven boutiques, and wholesale accounts seeking authentic American craftsmanship
A division of the Merrow family of companies—with roots stretching back over 180 years—Whalerknits was established in 1975 and operates from Fall River, Massachusetts. The mill is one of the few remaining fully vertical sweater factories in the U.S., preserving the New England knitting tradition with a distinct focus on heavy-gauge, high-durability product. From yarn-in to garment-out, all processes—knitting, cutting, linking, and finishing—occur under one roof. True to its heritage, the company offers a lifetime mending service on its products.
Manufacturing Capabilities & Technical Specs
Hardware: The factory floor runs on Merrow-brand overlock machines, manufactured in-house by the parent company. The family business is the originator of the industrial overlock technology, and the widely recognized "Merrowing" finish derives directly from this machinery.
Stitch & Construction: Deeply proficient in traditional heavy-gauge techniques, including shaker-knit, high-gram jersey pullovers, rollneck collars, and chunky zippered cardigan constructions.
Service Offerings: Provides end-to-end, 100% U.S.-based vertical manufacturing, supporting wholesale accounts, contract production, and after-sale repair work through a dedicated mending line.
Material Competencies: The mill’s core expertise lies in heavy, 100% cotton goods, engineered specifically for cold, damp maritime climates. The resulting fabrics are dense, textured, and highly durable.
Company Snapshot
Location: Fall River, MA, USA
Core Categories: Heavy-gauge cotton sweaters, shaker-knit pullovers, rollneck sweaters, knitted cardigans, and premium woven/knit blankets
Core Advantage: 100% vertical U.S. manufacturing, proprietary Merrow overlock finishing, and a lifetime mending guarantee as a quality statement
Target Clients: Vintage workwear brands, New England Ivy/nautical-style labels, sustainability-driven boutiques, and wholesale accounts seeking authentic American craftsmanship
Straus Knitting Mills, Inc.
Founded in 1917 and based in St. Croix Falls, Wisconsin, Straus Knitting Mills is a century-old, family-run and woman-owned enterprise. The company ranks among the largest domestic producers of custom knitted fabrics and trim components in the United States. While maintaining a traditional knitting foundation, Straus has consistently pushed material R&D, earning Berry Amendment compliance for Department of Defense contracts. The mill supplies high-performance engineered knit solutions to the defense, medical, motorsports, and premium apparel sectors.
Manufacturing Capabilities & Technical Specs
Hardware & Infrastructure: The plant runs over 400 knitting machines, offering substantial throughput capacity. An in-house dyehouse enables precise custom color matching and rigorous quality control over finished goods.
Fabric Structures & Techniques: Highly specialized in custom knit trim (collars, cuffs, ribbed waistbands), tubular knit goods, and a range of base fabrics including ribs, interlock, waffle/thermal, and jersey.
Specialty Fiber Processing: Beyond conventional natural fibers, the mill has industry-leading expertise in engineered yarns. Regularly runs Nomex®, Kevlar®, Vectran®, Cordura®, and fiberglass for high-heat, cut-resistant, and abrasion-resistant applications.
Certifications & Specialties: Supplies SFI-certified flame-resistant materials for racing, alongside MIL-SPEC tactical knit goods for military procurement.
Company Snapshot
Location: St. Croix Falls, WI, USA
Core Categories: Custom knit fabrics, garment trims (rib/neck/cuff), technical industrial protective textiles, and medical knit components
Core Advantage: 400+ machine capacity, in-house dyeing, and a century of specialty textile R&D (flame-resistant, cut-resistant, tactical-grade)
Target Clients: Military/law-enforcement tactical suppliers, medical apparel and industrial protective brands, and large apparel houses requiring high-quality custom knit trims
Website: https://strausknitting.com
Founded in 1917 and based in St. Croix Falls, Wisconsin, Straus Knitting Mills is a century-old, family-run and woman-owned enterprise. The company ranks among the largest domestic producers of custom knitted fabrics and trim components in the United States. While maintaining a traditional knitting foundation, Straus has consistently pushed material R&D, earning Berry Amendment compliance for Department of Defense contracts. The mill supplies high-performance engineered knit solutions to the defense, medical, motorsports, and premium apparel sectors.
Manufacturing Capabilities & Technical Specs
Hardware & Infrastructure: The plant runs over 400 knitting machines, offering substantial throughput capacity. An in-house dyehouse enables precise custom color matching and rigorous quality control over finished goods.
Fabric Structures & Techniques: Highly specialized in custom knit trim (collars, cuffs, ribbed waistbands), tubular knit goods, and a range of base fabrics including ribs, interlock, waffle/thermal, and jersey.
Specialty Fiber Processing: Beyond conventional natural fibers, the mill has industry-leading expertise in engineered yarns. Regularly runs Nomex®, Kevlar®, Vectran®, Cordura®, and fiberglass for high-heat, cut-resistant, and abrasion-resistant applications.
Certifications & Specialties: Supplies SFI-certified flame-resistant materials for racing, alongside MIL-SPEC tactical knit goods for military procurement.
Company Snapshot
Location: St. Croix Falls, WI, USA
Core Categories: Custom knit fabrics, garment trims (rib/neck/cuff), technical industrial protective textiles, and medical knit components
Core Advantage: 400+ machine capacity, in-house dyeing, and a century of specialty textile R&D (flame-resistant, cut-resistant, tactical-grade)
Target Clients: Military/law-enforcement tactical suppliers, medical apparel and industrial protective brands, and large apparel houses requiring high-quality custom knit trims
Website: https://strausknitting.com
Binghamton Knitting Company, Inc.
Binghamton Knitting Company was founded in 1927 and remains headquartered in Binghamton, New York, with third- through fifth-generation family management still active in daily operations. As one of the pioneers of the American knitting industry, the company has held to a strict 100% in-house U.S. manufacturing policy throughout its near-century run. Unlike small-batch designer studios, Binghamton operates with scalable capacity and highly integrated production lines, capable of servicing everything from independent gift-shop wholesale orders to custom development projects for Fortune 500 clients.
Manufacturing Capabilities & Technical Specs
Hardware & Finishing: Equipped with a modern bank of computer-controlled knitting machines, complemented by an extensive on-site finishing and linking department. Offers a complete turnkey service—sewn, washed, inspected, and packaged for shipment.
Fabric Structures & Techniques: Highly regarded for classic American vintage stitch work, including heavy-gauge shaker-knit, fisherman cables, birds-eye/fleck jacquard patterns, and dense cotton knit jacquard blankets.
Binghamton Knitting Company was founded in 1927 and remains headquartered in Binghamton, New York, with third- through fifth-generation family management still active in daily operations. As one of the pioneers of the American knitting industry, the company has held to a strict 100% in-house U.S. manufacturing policy throughout its near-century run. Unlike small-batch designer studios, Binghamton operates with scalable capacity and highly integrated production lines, capable of servicing everything from independent gift-shop wholesale orders to custom development projects for Fortune 500 clients.
Manufacturing Capabilities & Technical Specs
Hardware & Finishing: Equipped with a modern bank of computer-controlled knitting machines, complemented by an extensive on-site finishing and linking department. Offers a complete turnkey service—sewn, washed, inspected, and packaged for shipment.
Fabric Structures & Techniques: Highly regarded for classic American vintage stitch work, including heavy-gauge shaker-knit, fisherman cables, birds-eye/fleck jacquard patterns, and dense cotton knit jacquard blankets.
Production & Service Model: Operates a flexible dual-track business model—full custom production with branded logos or artwork, alongside a stocked wholesale merchandise line for immediate orders.
Material Competencies: Built on high-quality, skin-friendly 100% cotton and cotton-blend yarns. The mill’s cotton knits and blankets are recognized for their year-round wearability and wash durability.
Company Snapshot
Location: Binghamton, NY, USA
Core Categories: American heritage knitwear, custom jacquard knit blankets, knit accessories, and corporate promotional merchandise
Core Advantage: Nearly a century of vertical manufacturing experience, scalable order capacity (small retailers to Fortune 500), and a fully equipped on-site finishing department
Target Clients: Large commercial apparel brands seeking stable, long-term contract manufacturing, corporate buyers for custom promotional knits, and heritage menswear or home-lifestyle brands
Website: https://www.binghamtonknitting.com
Company Snapshot
Location: Binghamton, NY, USA
Core Categories: American heritage knitwear, custom jacquard knit blankets, knit accessories, and corporate promotional merchandise
Core Advantage: Nearly a century of vertical manufacturing experience, scalable order capacity (small retailers to Fortune 500), and a fully equipped on-site finishing department
Target Clients: Large commercial apparel brands seeking stable, long-term contract manufacturing, corporate buyers for custom promotional knits, and heritage menswear or home-lifestyle brands
Website: https://www.binghamtonknitting.com
