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ALSYMEX's Overview

Total employees293
HeadquartersIgny
Founded

Alsymex, a subsidiary of the Alcen group, is a prominent French company renowned for its expertise in the design, engineering, manufacturing, assembly, and on-site installation of complex, high-precision mechanical systems and vacuum components. With over 30 years of experience, Alsymex serves highly demanding sectors including nuclear fusion (e.g., ITER project), particle accelerators (e.g., CERN), space exploration, aeronautics, and advanced industrial applications. Their core competencies encompass ultra-high vacuum (UHV) technology, cryogenics, specialized welding, metrology, and the management of large-scale, technologically challenging projects.

Where is ALSYMEX's Headquarters?

HQ Function

Serves as Alsymex's primary operational hub, encompassing design offices, advanced manufacturing workshops, assembly halls, clean rooms, and testing facilities for all its projects.

Notable Features:

State-of-the-art facilities including 6,500 m² of workshops, large-scale machining capabilities, specialized welding (TIG, MIG, Plasma, EB), clean rooms (ISO 5 to ISO 8), advanced metrology equipment (laser trackers, CMMs), and UHV testing equipment.

Work Culture:

A highly technical and collaborative environment focused on innovation, precision engineering, quality, and solving complex challenges. The culture encourages continuous learning and expertise development, driven by participation in cutting-edge international projects.

HQ Significance:

The Igny headquarters is crucial for Alsymex's ability to undertake and deliver end-to-end solutions for large, technologically intensive projects, solidifying its reputation as a key partner for major scientific and industrial players worldwide.

Values Reflected in HQ: The headquarters embodies Alsymex's commitment to technical excellence, precision, innovation, quality control, and the capacity to manage complex, large-scale industrial projects.

Location:

Alsymex's primary operations, including design, engineering, and manufacturing, are centralized at their headquarters in Igny, France. However, the company maintains a strong global presence through its project-based work, deploying teams for on-site assembly, installation, and commissioning at customer facilities across the world. They have contributed to major international projects in Europe (e.g., ITER in France, CERN in Switzerland/France), Asia, and North America, serving clients in the fusion energy, particle physics, space, and advanced industry sectors.

Street Address:

11 rue Ampère, ZI des Béthunes

City:

Igny

State/Province:

Île-de-France

Country:

France

ALSYMEX's Global Presence

Buying Intent Signals for ALSYMEX

Highperformr Signals uncover buying intent and give you clear insights to target the right accounts at the right time — helping your sales, marketing, and GTM teams close more deals, faster.

Notable news
Hiring actively
Corporate Finance
Corporate Finance
Corporate Finance
Corporate Finance
Corporate Finance
*Example signal, not calculated in real time

Executive Team of ALSYMEX

As of April 2025, ALSYMEX' leadership includes:

Denis Levaillant - Directeur Général (Managing Director)

Investors of ALSYMEX

ALSYMEX has been backed by several prominent investors over the years, including:

Alcen (Parent Company)

Executive New Hires/Exits in the Last 12 Months

Hire0
Exits0

There have been no major, publicly announced executive hires or exits specifically for Alsymex in the mainstream news over the last 12 months. Leadership within Alsymex, as a subsidiary of Alcen, appears stable. Any significant changes would likely be communicated through the Alcen group.

Technology (Tech Stack) used by ALSYMEX

Discover the tools ALSYMEX uses. Highperformr reveals the technologies powering your target accounts — helping your sales, marketing, and GTM teams prioritize smarter and close faster.

ALSYMEX Email Formats and Examples

Alsymex, as part of the Alcen group, likely utilizes standard professional email formats. Common patterns for French technology companies often include [first_initial][lastname]@[domain] or [firstname].[lastname]@[domain].

f[last]@alsymex.com (e.g., jdupont@alsymex.com) or [first].[last]@alsymex.com (e.g., jean.dupont@alsymex.com)

Format

dlevaillant@alsymex.com

Example

80%

Success rate

News and media

ITER NewslineMarch 29, 2023

Alsymex news title: ITER Organization signs largest manufacturing contract of Diagnostics Port Plugs with ALSYMEX (ALCEN Group)

The ITER Organization has signed its largest manufacturing contract for Diagnostics Port Plugs with Alsymex, part of the Alcen Group. This contract covers the design finalization and manufacturing of 11 Equatorial Port Plugs and 3 Upper Port Plugs, which are complex structures that will house diagnostic systems essential for monitoring the ITER plasma....more

Alsymex Website NewsJuly 14, 2023

Alsymex news title: ALSYMEX Delivers the first Sector Sub-Assembly Tool for the ITER Tokamak

Alsymex announced the successful delivery of the first Sector Sub-Assembly Tool (SSAT-1) for the ITER project. This critical tool will be used for the pre-assembly of the ITER vacuum vessel sectors. This achievement highlights Alsymex's expertise in manufacturing large and complex mechanical systems for the fusion energy sector....more

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