Sure-Lok Wheelchair Restraints (sure-lok.com)

Sure-Lok has a long history of providing exceptional wheelchair and occupant restraint systems for transporting individuals with special needs. It's an enormous commitment - one that we take seriously, wholeheartedly and without hesitation. This commitment to safety has led to pioneering innovations that are now industry standards. Sure-Lok was the first to develop and manufacture L Track and A Track Securement Systems. And every Sure-Lok product is designed to meet all applicable regulatory guidelines.

EZ LOCK - Wheelchair Docking Systems™ (ezlock.net)
EZ LOCK offers an integrated system which includes a base lock mounted to the floor of your vehicle. The system enables you to guide the wheelchair until it locks into place. When you reach your destination, you can release the system with the touch of a button. This system is as dependable as manual tie-down systems, yet much more convenient.