General Sewing Data, Ltd
UK. Developers of pre-determined motion-time systems (PMT) for evaluation and cost calculation of working practices in the sewn products, footwear and retail industries. Also, systems and services for clerical and administrative environments. http://www.gsdhq.com/
The Yardage Bible
Carpet installation calculator in bookform or software program for the wholesale and retail business. Yardage estimation and seam layout determination. From Technical Marketing. http://www.yardagebible.com/