Gruner is innovative. Gruner is international. Gruner is very much a family business. Flat hierarchies, high flexibility, con ... sistent customer focus and sustained growth have made Gruner a technology leader, one that now sets the standards with its innovations that will be demanded by the industry of tomorrow. From the idea through to volume production – Gruner implements all of the quality-related steps for its own solutions. This is the only way for us to provide our customers with innovative components and systems that deliver technological and economic benefits. With our international focus, we retain full autonomy over cost-optimised production. Toolmaking, stamping, annealing, injection moulding, winding, assembly – at Gruner you will find all of these steps, to a reliable standard of quality, at our locations. - Gruner is one of the last independent relay manufacturers in Germany. - Gruner is world market leader for polarised latching relays up to 200 amperes. - Gruner is a sought-after development partner in the solenoids sector. - Gruner is the only manufacturer of actuators that delivers customer-specific solutions on any scale of volume production. read more