Six Six Apparel Six Six Apparel offers custom screen printing, dye sublimation, embroidery, cut & sew and design. Select from quality t-shirts, tees, hats, corporate clothing, promotional shirts & more. Six Six Apparel uses the best eco friendly inks, sublimation printers, silkscreen technology, digital printing, sewing machines and Graphic Designers to produce the best in textile manufacturing. Our designer screen print tees ship across the US. Located near Indianapolis, Brownsburg, Avon & Plainfield.