This industry comprises establishments primarily engaged in manufacturing men's and boys' cut and sew apparel from purchased fabric. Men's and boys' clothing jobbers, who perform entrepreneurial functions involved in apparel manufacture, including buying raw materials, designing and preparing samples, arranging for apparel to be made from their materials, and marketing finished apparel, are included. Cross-References. Establishments primarily engaged in-- ? Cutting and/or sewing materials owned by others for men's and boys' apparel--are classified in Industry 31521, Cut and Sew Apparel Contractors; ? Knitting men's and boys' apparel or knitting fabric and manufacturing men's and boys' apparel--are classified in Industry Group 3151, Apparel Knitting Mills; and ? Manufacturing fur or leather apparel and team athletic uniforms--are classified in Industry 31529, Other Cut and Sew Apparel Manufacturing.