LOCK is active in the market for natural ventilation and screening in greenhouses and cattle barns. LOCK is market leader in the greenhouse industry in the US and in German speaking countries. LOCK has also branched into many other sectors, and has a loyal client base both at home and abroad, who use LOCK products to solve their lifting and tilting requirements. One LOCK specialism is the operation of ventilation control elements in glass and metal structures, ranging from the conservatory to the exhibition hall. LOCK has developed custom solutions for many prestigious buildings around the world. The high quality standards and reputation for reliability enjoyed by LOCK can be traced to the continuity of management control: executive management is in the hands of Frank F. Lock, who took over the company of his father Freimut H. Lock in January 2002. Frank F. Lock represents the 5th generation of family ownership, is a graduate engineer like his father and has been actively involved in the company since 1993. The expertise of the workforce, most of whom have many years of service with the company, is another key factor underlying the excellent image enjoyed by LOCK products.

Lock Drives Inc. was founded February 7th, 2008 as 100% daughter company of Lock Antriebstechnik GmbH out of Germany. Before this, Lock has operated with a support center called "Lock Drives USA" starting 2000 onwards. Lock Drives is handling the sale and service of Lock Products in the US and Canada. Sales support, technical consulting and application engineering are provided as well as stock management and shipping. The company currently employs a staff of 5 (five) and has considerable opportunity to grow.