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Our integrators

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Since it was founded in 1973, Irelem has been at the cutting edge of technological development in the audiovisual equipment and remote communication sectors.

Irelem has built its reputation on the excellence of its services as well as on the proximity and availability of its employees. It entered a new era at the end of October 2020 when it joined Eiffage Énergie Systèmes. This stage in its development enables it to envisage more sustained growth in a very dynamic market. Irelem remains an agile SME, with the advantages of a major group.

Irelem is an audiovisual integrator, the technical sales team works with companies and local authorities to provide innovative technical solutions in the fields of audiovisual equipment and remote communication: digital signage,– unified communications and videoconferencing, equipment and solutions for reserving meeting rooms, and installation and maintenance of audiovisual equipment.

Tech Audio

Techaudio is a well-known player in the production of large-scale operations in the field of sound, video and stage lighting. Techaudio is involved in many projects such as stadiums, concert halls, opera houses, auditoriums, conference rooms, etc.

Whether in sound, audiovisual or lighting, but also in technologies related to stage design and structures, the projects carried out show a high level of excellence relying on impeccable workmanship, professional and careful wiring, and optimised features.

Eiffage Énergie Systèmes-Arthésis

A long-standing player in the market for the past 30 years. Eiffage Énergie Systèmes-Arthésis works throughout France to support its customers in selecting and integrating comprehensive audiovisual solutions. Nowadays, Eiffage Énergie Systèmes-Arthésis has over 500 valued customers, including large public and private companies, public bodies, SMEs, associations and professional organisations.

In close partnership with the main global players on the market, purchasers and suppliers, Eiffage Énergie Systèmes-Arthésis offers a tailor-made approach for the supply, installation and associated services for audio and sound equipment solutions, conference equipment, video projection, stage lighting, videoconferencing, web conferencing, connectivity, digital signage, interactive voting systems, video transmission and IPTV, home automation and centralised management, room reservation and equipment supervision.

Arthésis Dauphiné Savoie

Arthésis Dauphiné Savoie established in 2005, offers companies, public bodies and institutions comprehensive services for the study, installation, integration, sale, rental and maintenance of audiovisual solutions. In close partnership with the main global players in this sector, Arthésis Dauphiné Savoie undertakes to select the right technologies and offer unrivalled service.

Arthésis Dauphiné Savoie meets the unique needs of its customers with increasingly innovative equipment: high-definition video projectors, videoconferencing, digital signage and “on-demand” video transmission tools, “rich media”, network television (IPTV), video walls, interactive whiteboards, centralised conference room control systems, etc.


Solufak is a company comprised of audiovisual experts, and the passion for audiovisual integration is at the heart of its DNA. Since it was founded by its directors, Alain Hoskens and Fabien Charpentier in 2012, followed by its integration into the Eiffage Énergie Systèmes group, Solufak has developed to become a reference in the Belgian audiovisual market. The support of a major Group, its work and reputation and its flexible and customer-oriented approach guarantee excellent results for its customers. Whether it’s small collaborative spaces, meeting rooms or conference rooms, unique digital signage displays or sophisticated video walls: Solufak creates, installs and maintains all audiovisual systems. In order to guarantee innovative and sustainable audiovisual solutions, Solufak works in partnership with leading global brands for their reliability and quality. Solufak advises and offers these customers the most suitable solution: image, audio, collaboration solutions, unified communications solutions, smart building solutions.