These vendors are used for printing / sewing supplies:

MADEIRA USA:

THREAD / BACKING / NEEDLES / SEWING SUPPLIES

https://www.madeirausa.com

Log in:  john@on-timetees.com

GRIMCO:

SCREEN PRINTING INK / ROLAND INK & PAPER / SCREEN PRINTING SUPPLIES

STAPLES:

OFFICE SUPPLIES / COPY PAPER

ULINE:

SHOP SUPPLIES / OFFICE SUPPLIES

BARUDAN:

shopbarudan.com

Log in: john@ottpromo.com

HEAT TRANSFER WAREHOUSE:

ROLLS OF HEAT TRANSFER MATERIAL - ALL COLORS

heattransferwarehouse.com

Log in: john@on-timetees.com