The more than 200-year history of Von Roll goes back to the early 19th century and represents an impressive record of innovation and technological leadership.
Gebrüder Dürholz & Co. create the company “Eisenwerke der Handelsgesellschaft“ in Solothurn, Switzerland.
The company is sold to Ludwig von Roll & Cie, owner of numerous iron production facilities.
Birth of the Von Roll Corporation by the Solothurn patrician Franz Peter Leo Ludwig Freiherr Von Roll von Emmenholz.
Construction of first sheet mill driven by high demand for iron in the era of industrialization.
Construction of a blast furnace in Bern.
Commissions for a new blast furnace and a second sheet mill in Choindez.
First participation of Von Roll in the industrial exhibition held in Bern.
Von Roll participation in these exhibitions brings two gold medals.
The arrival of the railway enables transport of iron.
The foundry in Olten starts production.
A blast furnace in Klus is commissioned.
Participation in the World Exhibition in Vienna with presentation of the iron product range.
Purchase of the largest blast furnace competitor in the region of Undervelier.
Increased production capacity with new molding machines.
The company reaches 2,153 employees.
Founding of Schweizerische Isola-Werke AG (SIB) in Breitenbach, Switzerland, by Albert Borer.
First global provider of mica products.
SIB builds an additional factory for lacquer and an administrative building.
Von Roll joins the newly established Torfgenossenschaft.
Collaboration with Bremen-based Braunkohlen AG.
Von Roll participates in the Research Association for the Utilization of Swiss Mineral Deposits.
SIB starts production of enamel-insulated copper wire.
SIB establishes a sister factory in France named Usines Diélectriques Delle (UDD).
Von Roll builds its own steel mill, allowing production of large-scale forging for the machine and automobile industry.
Death of Albert Borer.
Josef Borer, his brother, takes over the post of chairman of the board and representative of SIB.
SIB builds a further sister factory, Isola SpA, in Milan, Italy, for mica-based insulation materials.
Expansion of SIB product offerings, including wire and cable insulated with cotton, silk and paper.
Von Roll cooperates with Berlin-based Bamag-Meguin AG.
A research association is founded in Zurich.
SIB founds the “Aismalibar” company in Barcelona, Spain, for the production of winding wire.
Founding of the sister factory “Safi-Conel SpA” in Milan for the production of enamel-insulated winding wire.
Expansion of production facilities and installation of new treatment equipment.
A new material, polyvinyl chloride (PVC), that is ideally suited for cable insulation comes on the market.
The Soflex brand is born.
SIB begins production of the ceramic insulator steatite.
Von Roll production of extracted iron ore reaches a peak of 312,000 tons.
Construction of a modern high-voltage laboratory for testing in Breitenbach.
Neutral Switzerland benefits from the financial rebound and expansion of the world economy.
SIB and all its production facilities become part of the international Isola Group.
Isola Group creates Elektro-Finanz AG, a holding company.
Isola Group founds the Società Italo-Svizzera Metalli Iniettati (SIMI) company in Milan, Italy.
French scientist Jacques Bardet discovers a water-based mica treatment for creating mica pulp.
Production of mica paper in a newly built factory in Valdoie, France.
Continued development due to an increasing need for iron in the country.
Isola Group creates the company’s first sales offices in the USA due to the worldwide success of mica paper.
Implementation of the new customs tariff for the domestic iron industry.
The integration of the Ludwig von Roll Zurich results in seven subsidiaries.
Von Roll begins to restructure the company into product groups and departments:
US-based Essex Group acquires Schweizerische Isola-Werke AG.
Purchase of the Monteforno steelworks in Tessin and its subsidiaries.
Von Roll acquires Schweizerische Isola-Werke AG from US-based Essex Group.
Von Roll acquires the site in Schenectady, New York.
Creation of Von Roll India Pvt Ltd.
Creation of the Electrical and Industrial business units.
Schweizerische Isola-Werke AG and associated companies celebrate their 100th anniversary.
Creation of joint ventures
Schweizerische Isola-Werke AG is renamed Von Roll Schweiz AG.
Purchase of John C. Dolph Company, Monmouth junction, NJ, USA
Sale of Von Roll Transformers, Israel (former Elco Transformers)