For Pricing. Email: john@ocaapparel.com or call us at 714.488.0599 OC apparel specializes in silk screen printing and embroidery for corporate, casual wear, team sport’s wear and athletic apparel and uniforms. We supply a full line of t-shirts, woven’s, sportshirts, hat’s, bags, moisture wicking apparel and accessories. We can print or embroider from 1 to 1 million shirts