GBL is a North American distributor of mini-crane technology by Lissmac Maschinenbau GmbH.

Lissmac Maschinenbau GmbH

Bad Wurzach, Germany

http://www.lissmac.com/en/

ALPS is a UK distributor of GBL's ADT Work Access systems.

ALPS (Access, Lifting, Pulling & Safety Ltd.)

Sheffield, United Kingdom

http://www.alps-uk.com/