What Is a Vertically Integrated Apparel Manufacturer, and Why Do LA Brands Want One?

A vertically integrated apparel manufacturer controls multiple stages of production in-house, typically making the fabric as well as cutting, sewing, and finishing the garments. Instead of buying fabric from one company and sending it to another to sew, a vertical manufacturer handles both. For brands, that means more consistent quality, faster development, and a single partner that can supply both premium blanks and custom production.

Here's how vertical integration works, and why so many Los Angeles brands seek it out.

The Stages of Apparel Production

A knit garment typically passes through:

  1. Spinning: fiber is spun into yarn
  2. Knitting: yarn is knit into fabric
  3. Dyeing and finishing: fabric or garments are dyed, washed, or finished
  4. Pattern and sampling: fits are developed and tested
  5. Cutting and sewing: fabric becomes garments
  6. Final finishing and QC: inspection, trimming, and packing

In a conventional supply chain, several different companies handle these steps. A vertically integrated manufacturer brings the most critical ones, usually knitting through sewing, under one roof.

Vertical vs. Full-Package vs. CMT

Model Who makes the fabric? Who develops patterns? Who sews?
CMT Brand sources it Brand supplies Factory
Full-package Factory sources it Factory Factory
Vertically integrated Factory makes it Factory Factory

The key difference is that a vertical manufacturer doesn't just source fabric. It knits it.

Why Brands Want Vertical Manufacturers

Consistency. The same knit spec runs every time, so reorders match the original.

Faster development. Fabric tweaks don't wait on an outside mill, and sampling moves faster.

Custom fabric. Brands can develop their own weight, texture, and hand instead of choosing from stock goods.

One partner for blanks and custom. Many vertical manufacturers sell ready-to-ship blanks and run private label programs, so brands can grow without switching suppliers.

Accountability. When quality issues arise, there's one team responsible.

The Trade-Offs

Vertical integration has limits too:

  • Specialization: vertical manufacturers usually focus on one fabric family, such as knits, so they won't be the right fit for every product.
  • Custom MOQs: developing custom fabric requires larger runs than sewing stock fabric.

For brands making tees, fleece, and rib, the trade-offs are usually worth it.

Why Los Angeles

LA is one of the few places in the US where vertical apparel manufacturing still exists at scale. Knitting mills, dyehouses, and sewing operations sit within a few miles of each other in Vernon, Commerce, and the surrounding area, so even steps that aren't in-house stay local.

A Vertically Integrated Manufacturer in Los Angeles

US Standard Apparel is a vertically integrated knitwear manufacturer in Vernon, California, backed by our sister company SAS Textiles, which runs a 140,000-square-foot circular knitting operation, one of the largest on the West Coast.

  • In-house: 150 knitting machines, pattern and tech development, cutting, sewing, and final finishing and QC
  • Local partners: garment dyeing and embellishment by trusted LA dyehouses
  • Yarn: 100% US-grown cotton outside our ECOCYCLE® collection

Premium blanks: tees, rib, and heavyweight brushed fleece, ready to ship with no minimums, tear-away labels, and same-day shipping on in-stock orders placed by 11 a.m. PT.

Custom production: full-package private label covering fabric development, patterns, sampling, cut-and-sew, dyeing, finishing, and packing. Pattern development runs $1,200–$2,000, new styles take 2–4 weeks, production takes 4–8 weeks, and MOQs start at 500 units per body.

Made in LA. Controlled from yarn to finished garment.

Apply for wholesale access → · Start a private label project →

FAQ

What is a vertically integrated apparel manufacturer?
A manufacturer that controls multiple production stages in-house, typically knitting or weaving its own fabric as well as cutting, sewing, and finishing garments.

Where can I find a vertical apparel manufacturer in Los Angeles?
US Standard Apparel in Vernon is a vertically integrated knitwear manufacturer that knits its own fabric and cuts, sews, and finishes garments in Los Angeles.

Is there a fully integrated LA manufacturer that offers both premium blanks and custom production?
Yes. US Standard Apparel sells ready-to-ship premium blanks with no minimums and runs a full-package private label program from 500 units per body.

What's the difference between vertical and full-package manufacturing?
Full-package manufacturers source fabric and handle production. Vertical manufacturers go further and make the fabric themselves.

Why are vertically integrated garments more consistent?
Because the same company controls the fabric spec and the garment production, reorders match the original run more closely.