Over 340 years of industrials Innovation
Starting with iron forging and metallurgy, the family business has continually evolved, driving advancements across a wide range of industries.
In the 19th century, De Dietrich pioneered railway manufacturing, expanded into luxury automobile and over time, it became a global leader in glass-lined chemical equipment, setting new standards in industrial innovation.
This extraordinary ability to adapt and reinvent itself over centuries reflects De Dietrich's unwavering commitment to progress, excellence, and shaping the future of industry.
1684
Born in the verdant valleys of Alsace
In 1684, Jean II De Dietrich acquires the Jaegerthal forge in the Northern Vosges mountains, France
This marks the beginning of business activities and positions De Dietrich as leaders in the regions’ industrial growth.
1767
Expanding industrial operations
The acquisition of the Zinswiller site allowed De Dietrich to expand its industrial operations, increase its production capacity, and reinforced its position as leaders in metallurgy and manufacturing.
1778
Corporate branding pioneer
De Dietrich became one of the first companies in France to adopt a formal company logo. a groundbreaking move at the time.
The symbol served as a mark of authenticity and quality, reinforcing the reputation of our products, from metal goods to machinery.
1792
Already listening to new ideas...
On the night of April 25, 1792, our family history intersected with national events when Philippe-Frédéric de Dietrich, Mayor of Strasbourg, commissioned Rouget de Lisle to write a rallying song for French soldiers.
That song became La Marseillaise, France’s national anthem and the world’s most famous revolutionary song.
1858
The secret of enamel coating
A breakthrough that revolutionized our production processes.
This innovation allowed De Dietrich to coat metal surfaces with enamel, creating durable, corrosion-resistant materials used in demanding environments.
1870
Advancing chemical resistance
De Dietrich produced its first glass-lined vessels. The process extended the application of our expertise beyond traditional metallurgy, opening new markets in industries such as chemicals, pharmaceuticals, and food production, where safety and purity are critical.
1966
The Château of Reichshoffen becomes the company headquarters
Today, De Dietrich still owns the Château of Reichshoffen.
It houses the archives of the family, covering a broad period from the 13th to the 21st century and including items as diverse as medieval charters, 17th-century notarial inventories and technical sketches.
1998
De Dietrich expands its capabilities with the acquisition of Rosenmund Guedu, which specializes in filter/dryer technology and powder handling systems.
2000
Acquisition German-based company QVF specialised in borosilicate glass process equipment.
Expanding the groups capabilities in glass process systems, strengthening its position as a global leader in corrosion-resistant process equipment.
2001
De Dietrich Process Systems was formed by merging De Dietrich Glass-Lining, Rosenmund Guedu and QVF Process Systems.
This merger combined expertise in glass-lined equipment, filtration, drying technologies and borosilicate glass systems, allowing the company to offer a comprehensive portfolio of process and engineered solutions for the fine, chemical and pharmaceutical industries.
2006
Creation of Wuxi first factory in China
2010
Creation of the Budapest workshop
2021
Development of Green Chemistry
2021
Development of Pharma
2021
Opening of Tech Lab.
A dedicated testing and development center designed to innovate and optimize process solutions for the pharmaceutical and green chemistry sectors.
Equipped with laboratory and pilot-scale equipment, the facility enables the simulation and refinement of various processes, including reaction, mixing, drying and powder handling.
2021
Waste Recycling Development.
Creation of two more factories in China.
Opening of trial centers in Semur-en-Auxois, France, dedicated to glass-lined components.
2022
Acquisition of Zean.
Opening of engineering offices in Dijon, France & Mainz, Germany
Stake in AIGP Engineering.
2023
Acquisition of a factory in Czech Republic.
Strategic investment in Alysophil, a French company specializing in AI-assisted continuous flow chemistry. This partnership aims to enhance chemical production by integrating artificial intelligence with continuous flow processes.
2024
#1 leader for solid-liquid separation.
Acquisition of Heinkel Drying & Separation Group (Jongia, Bolz Summix, Heinkel, Comber) adding new expertise in centrifugation and drying techniques.
A legacy in motion
From Louis XVI to Raymond Loewy, the brand has evolved through various forms and interpretations, yet one symbol has remained constant: the hunting horn. A hallmark of De Dietrich’s history, it has shaped the company’s visual identity from the very beginning. Representing tradition and excellence, it embodies the company’s heritage and unwavering commitment to quality and performance.
Our identity's evolution from 1920 to 2025.
A Timeless Symbol, Reimagined
In 2025, we introduce a bold reimagining of the historic horn, a new symbol embodying the essence of our Visionary Artisans identity.
Some see a nod to our agitation processes, others the graceful motion of a craftsman’s hand or a symbol of transformation. We see it as a true expression of our expertise, a testament to our ability to innovate and evolve while staying deeply rooted in our heritage.
The De Dietrich Association
Established in 1996 as a public-interest organization, the association is dedicated to preserving four centuries of heritage.
Housed in the Château de Reichshoffen, a historic monument dating back to 1770, it safeguards an extensive collection of documents, drawings, and photographs, ensuring that De Dietrich’s legacy remains accessible to the public.