History

Foundation of the Rainer May GmbH: The industrial master craftsman Rainer May and his wife Renate hire three employees.

Construction of own production facilities at Neuwied. 
Transition from manual to CNC-supported grinding of the blade's serrations.

Construction of a further manufacturing facility. The first waterjet cutting system is acquired. Now more than ten employees work at the Rainer May GmbH. TÜV Rheinland certifies its quality management to the ISO 9001 standard - a certificate that has been renewed each and every year since then.

Transfer to a newly acquired manufacturing hall and administrative building with over 5,700 m². Over 20 employees now work at the Rainer May GmbH.

The entire company building is equipped with a photovoltaic system. Every year, over 70,000 kilowatt hours are fed into the power grid. 

Our range of machinery expands with the first laser cutting machine.

Expansion of the serration grinding department with the purchase of two new machines.

Founder Rainer May passes the company’s leadership to his daughter Heike Stinner-May and son-in-law Stefan Stinner.

To expand the product portfolio, a CNC shaft grinding machine is purchased.

For reasons of sustainability, the entire hall lighting is replaced by the latest LED technology.

Acquisition of two filter towers to improve the indoor climate.

The core competence was expanded with a custom-developed 5-axis profile grinding machine for Rainer May GmbH

Transition of water treatment from filter fleece to the latest centrifuge technology to minimize hazardous waste.

The production equipment was expanded with a new laser technology that is more powerful and efficient.

Constant renewal and expansion of the machine park as well as investments in new technologies taking into account the environment and climate change.