Successful projects & partnerships.
With Zilken.

We secure supply chains reliably and sustainably. Find out how Zilken procures industrial supplies for mechanical engineering, infrastructure, chemicals, and energy. Efficiently and transparently.

100+ Companies trust us

Industry leaders such as Siemens Energy, LyondellBasell, and Evonik place their trust in Zilken. Many of our customers have been working with us for decades. DIN ISO 9001 certified and digitally networked, we guarantee security of supply and create resilient supply chains.

Spare parts are checked
Manufacturing industry

Fast service through procss defined spare parts managment

Zilken will take over Sulzer's central spare parts business—pre-assembled sets, customer-specific labels, and >98% delivery reliability.

Close-up of several twisted steel cables on a dark background.
Manufacturing industry

C-Parts Management at INFICON: From 108 suppliers to a centralized system

Zilken takes over complete C-parts management at INFICON: 108 suppliers, 1,246 items—bundled into an efficient Kanban system with clear SLAs and over 99% parts availability.

A person holds packaged parts in a warehouse with green plastic containers on metal shelves.
Manufacturing industry

62 parts, 1 kit – maximum efficiency for HSP

Zilken developed an assembly kit system for HSP for Europe and North America: ready-to-install assemblies, 60% reduction in process costs, and 100% delivery reliability.

Employee sorts screws on black work surface and checks barcode document.
Manufacturing industry

Shorter distances, stable supply chains

Zilken developed a European manufacturer cluster for Siemens Energy – delivery times halved, communication simplified, supply secured.

Metal machine parts neatly packed in white foam insert.

Ensuring spare part availability despite manufacturer discontinuation

Zilken developed a structured obsolescence management system for a public transport association in the Rhineland: critical components were identified, spare parts were qualified, supply chains were stabilized—with over 90% successful substitution.

Further customer references

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year
industry
Since 2014
Manufacturing industry
Mechanical and plant engineering
Since 1953
Manufacturing industry
chemical industry
Since 1949
Manufacturing industry
electrical industry
Since 2013
Manufacturing industry
Precision engineering & optics
Since 1952
Manufacturing industry
chemical industry
Since 2004
Manufacturing industry
electrical industry
Since 2002
Manufacturing industry
Mechanical and plant engineering
Since 1956
Manufacturing industry
Mineral oil & refining
Since 2002
Manufacturing industry
Mechanical and plant engineering
Since 1961
Manufacturing industry
electrical industry
Since 1951
Energy supply & energy technology
energy supply
Since 1977
Manufacturing industry
chemical industry
Since 2000
Manufacturing industry
Mechanical and plant engineering
Since 2022
Transportation & Logistics
rail vehicle construction
Since 2005
Manufacturing industry
Mechanical and plant engineering
Since 2008
Manufacturing industry
Mechanical and plant engineering
Since 1964
Manufacturing industry
chemical industry
Since 1992
Manufacturing industry
Mechanical and plant engineering
Since 1995
Manufacturing industry
Mechanical and plant engineering
Since 2019
Manufacturing industry
chemical industry
Since 2017
Manufacturing industry
plastics industry
Since 2014
Manufacturing industry
Mineral oil & refining
Since 2024
Manufacturing industry
Mechanical and plant engineering
Since 1954
Manufacturing industry
chemical industry
Since 2012
Manufacturing industry
Mineral oil & refining
Since 1945
Manufacturing industry
plastics industry
Since 2011
Manufacturing industry
Mineral oil & refining
Since 1976
Manufacturing industry
Mineral oil & refining
Since 2021
Energy supply & energy technology
energy supply
Since 2018
Energy supply & energy technology
energy supply
Since 1967
Manufacturing industry
chemical industry

Simple, digital, and reliable—optimize procurement with Zilken

Do you need individual parts quickly or want to optimize your entire procurement processes? We are your reliable partner.

Jakob Herrschel - Head of Business Development

What our customers say

Our customers are the best ones to tell you what they appreciate about us.

Zilken is our C-parts management partner and a flexible source of supply.

Strategic purchasing
HSP High Voltage Equipment GmbH

"That's service, you're good at that [...]. You're fast, you're flexible. The company really does everything when we want something."

Strategic purchasing
Siemens Energy Inc.

"A strong process partner with a genuine service concept to support me as a customer."

Strategic purchasing
BEKO TECHNOLOGIES GmbH

"Everything is done digitally, and I would say that the process couldn't be any shorter."

Material Management
Basell Polyolefine GmbH

"A strong process partner with a genuine service concept to support me as a customer."

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Additional customers who trust us