Sustainably successful since 1834

Sulzer is a global industry leader in fluid engineering with sustainable pumping, agitation, mixing, separation and application technologies. From its beginnings in Winterthur, Switzerland, back in 1834, Sulzer has developed to become a reliable, fast, and trusted partner for its customers, with a responsive network of 160 world-class manufacturing facilities and service centers across the globe.
The first Sulzer diesel engine (1989)


Cooperation with Rudolf Diesel leads to the development of the first Sulzer diesel engine. This engine gradually replaces the then-dominant steam engine.



The first workers’ council in Switzerland is founded.


Sulzer opens a subsidiary in Ludwigshafen on the Rhine (Germany). It flourishes, as does the parent company in Winterthur.

During the years following, sales offices are opened in Milan, Paris, Cairo, London, Moscow, Bucharest, and, in 1914, in Kobe (Japan).

Steam engines (1891)


A new growth period begins: Sulzer experiences international success especially with steam engines. Employee figures continued to rise, reaching three thousand by the turn of the century.

Sulzer starts to build refrigerating machines.


During the initial phase of Winterthur’s first large-scale social housing plan, twenty-four low-cost employee rental apartments are constructed in Veltheim, Winterthur. The “Society for Affordable Housing Construction” soon adds further apartment buildings and the first private homes for employees in other parts of Winterthur. (In 1989, the city of Winterthur receives the Wakker Prize — an award for cultural heritage — for its outstandingly maintained employee housing estates).


To ensure an adequate supply of qualified young craftsmen, Sulzer opens the first in-house training school in Switzerland, including an apprentice workshop.


Sulzer enjoys great successes at the World Exhibition in Paris and six years later in Vienna.

For the first time in its history, Sulzer employs over one thousand workers.

Extensive building activities are carried out at the original site in Winterthur.

Around 1860

The first sales office abroad is opened in Turin, Italy.

Steamboat (1849)


The first trading-company agreement between the Sulzer brothers is made, whereby company activities are divided into divisions. Entrepreneurial thinking and the willingness to take a risk lead to the introduction of new products (such as steam engines and, later, steamboats) with more efficient industrial production methods.


The English design engineer Charles Brown joins Sulzer. With the development of groundbreaking new steam engines — the first Sulzer steam engine left the workshop in 1854 — he is instrumental for the early successes and the growth of the company. Charles Brown’s expertise as an inventor and engineer and Johann Jakob Sulzer-Hirzel’s talents as an entrepreneur and salesman proved a winning combination over a period of two decades.


A “Sickness-Benefit Association for Factory Workers” is founded. This is the first step towards a health insurance plan for the company.

First Sulzer steam engine (1841)


The first Sulzer steam engine installed in Winterthur creates a sensation.



A new foundry is constructed, and the original building becomes a machine shop.


Still largely a workshop establishment, the business then employs forty journeymen, laborers, and apprentices, some of whom receive room and board with the family. Though patriarchal in accordance with the times, the company takes the first steps towards a division of labor.

Johann Jakob and Salomon Sulzer the founders of Sulzer


Through an exchange with the city of Winterthur, Johann Jakob Sulzer-Neuffert acquires a 5000 m2 site on Zürcherstrasse, and lays the foundation stone of “Sulzer Brothers Foundry, Winterthur”, known today as “the 1834 building”. His two sons, Johann Jakob and Salomon, start producing cast iron. They also manufacture firefighting and other pumps as well as textile machinery and later set up a heating installation business.

The credo of the first Sulzer patron was: “Whatever you do, do it right. It will not cost you more time to do it well than to do it badly.” Jakob Sulzer (1782-1853)

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