If you want to go directly to the manufacturer to create your own line, we have listed a few US based manufacturers you may be interested in:

ManufacturerMOQProduction Facility
Organic Apparel USA400 per color / model with up to 5 different sizesTurkey
Good Clothing Company10
Massachusetts

Can consult directly with the CEO: Kathryn Hilderbrand
Good Clothing Company is a cut and sew manufacturing facility and do not offer services such as screen printing, embroidery, apparel blanks. We also do not manufacture shoes, hats, knitted garments, under garments, bathing suits and socks.
Euphoric ColorsGenerally 300 / style or colorLos Angeles, CA
Sans USAStarting at 150 / style or colorChina
SuuchiMOQ: Starting at 50 / styleUSA
Indie SourceMOQ: 300 / styleLos Angeles, CA
Zega Apparel50 / stylePrinting Facility – Garden Grove, CA
Manufacturing – Karachi, Pakistan