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Chemie Brunschwig AG 

Basel · Since 1984

The core activity of Chemie Brunschwig AG is the procurement, storage and distribution of chemicals, metals, catalysts and laboratory equipment for customers from the fields of analytics, industrial research and development, hospitals, private and public laboratories, as well as universities and scientific institutions. The company offers a comprehensive range of products and supports its customers in procuring special products that are not included in its own portfolio. In addition, the company provides digital services such as online ordering, automated ordering processes and electronic invoicing to simplify the purchasing process for its customers.

cHRistian HollitscheR Human Resources Boutique 

Basel · Since 2016

cHRistian HollitscheR Human Resources Boutique is a recruitment and HR advisory firm that places specialist and executive personnel. Services include contingency and retained search, interim management and inhouse recruiting, as well as HR consulting and executive coaching.

Claym Kommunikation GmbH 

Basel · Since 2019

Claym Kommunikation GmbH is a communications and marketing agency specialising in customer acquisition, social recruiting and digital onboarding for SMEs. The company provides targeted online marketing and content/video production, uses data-driven and AI-assisted candidate preselection, and implements digital onboarding and intranet solutions.

Dürrenberger Holding AG 

Basel · Since 2002

Dürrenberger Holding AG provides painting and coating services and project-related work for private and commercial clients, including façade renovation, specialist coatings, acoustic solutions and customer plastering.

Dürrenberger Maler AG 

Basel · Since 2017

The core activity of the company "Dürrenberger Maler AG" is the execution of painting work, particularly in the areas of new and renovation construction, facade renovation, special coatings, acoustics, and custom plastering. The company offers its services to both private clients and public and commercial construction projects, including hotels, restaurants, retail spaces, and banks.

easyrain AG 

Basel · Since 2012

The company's core activity is the planning, installation, maintenance, modification and extension of automatic irrigation systems for various applications, including balconies, roof gardens, private gardens, public green spaces and golf courses.

Finanzierungsstiftung der Gruner 

Basel · Since 2024

Freunde der Basler Münsterbauhütte 

Basel · Since 1986

Freunde der Basler Münsterbauhütte is an association that supports the work of the Münsterbauhütte and promotes the conservation of the Münster. The association offers memberships, special guided tours and events, supports projects through donations and sponsorships, and publishes an annual report.

Genossenschaft Elektro Datenbank Schweiz (ELDAS) 

Basel · Since 1997

ELDAS is a service provider specializing in the management and provision of article information for electrical engineering materials. The company's core activity is to create and maintain a comprehensive database of article-specific information to provide this information to members and customers. This includes the creation of material catalogs, the provision of REST web services, and the automation of the information flow between suppliers and customers.

Gruner AG 

Basel · Since 2018

Gruner AG is an independent engineering consultancy providing design and planning services across the building, infrastructure and energy sectors throughout all project phases. Its expertise includes structural and geotechnical engineering, building services design, construction management, energy production/transmission/distribution, road and rail works, water management, environmental and safety engineering, and digital engineering solutions.