A group of family businesses
Painit Steel Group is the umbrella brand of four metalworking companies. Each keeps its name, customers and workshop. Together we share machine capacity, know-how and short distances.

The group at a glance
Four brands, one group
Each company stays independent, with its own name, customers and workshop.

Carl Wilhelm Cleff
Windows, doors and partitions for rail, commercial and special vehicles. Deliveries to 25 countries.

Wirths & Werres
Special machinery, 5-axis milling, CNC turning and wire EDM. Own screw jacks from 5 to 500 kN.

C.E. Schneckenflügel
Screw flights and blanks from 40 to 3,000 mm diameter, pressed on the basis of more than 3 million documented pressings.

Lungmetall
System supplier for sheet metal and machining: 13 trades under one roof, from 12 kW fibre laser to welded assembly.
More than nine decades of metalworking
Carl Wilhelm Cleff is founded in Wuppertal.
Wirths & Werres is founded in Wuppertal-Cronenberg.
C.E. Schneckenflügel starts making screw flights in Edewecht.
Marcel Nölle and Leonard Nolte found Painit Asset Management. Wirths & Werres joins the group.
Painit Asset Management is named Young Company of the Year at the Wuppertal Business Award.
Four companies, Carl Wilhelm Cleff, Wirths & Werres, C.E. Schneckenflügel and Lungmetall, appear together as Painit Steel Group.
How we lead
Forward-looking
We invest in machines, data and people before things get tight.
Responsible
Jobs and sites have a long-term perspective with us.
Flexible
Orders go where capacity and skill fit best.
Active
We lead hands-on, on the shop floor rather than from afar.
Entrepreneurial
Every company stays independent and keeps its brand.
Three regions, four addresses
Who is behind the group
Marcel Nölle and Leonard Nolte run the companies themselves, day to day and for the long term. Painit Steel Group is owned by their Painit Asset Management in Wuppertal.

Marcel Nölle
Strategy, IT, key accounts, quality assurance and design
Managing director within the group. Makes sure drawing, production and inspection fit together and customer requirements are implemented the same way at every plant.

Leonard Nolte
Finance, controlling, sales and marketing, HR and AI
Managing director within the group. Connects the plants commercially, builds sales and HR together and brings AI into quoting, purchasing and administration.
What is written about us
Erfolgreiche Junginvestoren
Portrait of Marcel Nölle and Leonard Nolte. Quote: “We don’t want to sell or break up the companies again.”
Read article ↗Stadt Wuppertal · 10.10.2024Wirtschaftspreis 2024: Die Preisträger
Jury: “For them it is not about short-term profit but about sustainable value creation.”
Read article ↗Wuppertaler WirtschaftspreisJungunternehmen des Jahres 2024
Painit Asset Management wins in the Young Company of the Year category.
Read article ↗