what is the corporate responsibility followed by the third mentioned business?
It has been a member of the Fair Wear Foundation, that helps improve workplace conditions in the garment and textile industry.
Jack Wolfskin
Since July 2010 Jack Wolfskin has been a member of the Fair Wear Foundation, a multi-stakeholder initiative working to improve workplace conditions in the garment and textile industry. 
what is unionskirche, idstein? It is the active Protestant parish church of Idstein. where is the latter mentioned place? It is a town in the Rheingau-Taunus-Kreis of Darmstadt in Hesse, Germany. what are some established businesses here? RS systeme GmbH, Motorola GmbH, Jack Wolfskin, DG-Verlag (distribution and logistics), and a few others.
wiki:15999824
Jack Wolfskin [SEP] Corporate responsibility
Since July 2010 Jack Wolfskin has been a member of the Fair Wear Foundation, a multi-stakeholder initiative working to improve workplace conditions in the garment and textile industry. In July 2007, Jack Wolfskin became patron of the I.C.E. Youth Camp a UNEP-initiative which has the aim to train young persons an environmentally awareness and a thrifty use of resources in cooperation with Arved Fuchs. Even since 2008 an extensive supplier monitoring was established at Jack Wolfskin and in 2009 Jack Wolfskin announced that a membership in a multi-stakeholder initiative will be checked. When the Clean Clothes Campaign distributed questionnaires about working and production conditions to several outdoor producers in 2009 and 2010, Jack Wolfskin decided to become a member of the FWF as there were many similarities to the own established social audit system.