Joost Knoll

Founded in 1895, Hertel has a long tradition in the field of serving the industry. Adapting to both local and global changes is firmly anchored into its company culture. It is this characteristic that has made the firm what it is as an international contractor that offers total service solutions for its customers. During the evolution of the worlds markets, the firm managed to positively distinguish itself from its competitors by developing and maintaining high company standards, such as responsible care, respect, communication, craftsmanship, innovation and entrepreneurship. This entrepreneurship and spirit have given Hertel the competitive edge needed for durable success in its field of business. The Hertel group's activities are divided into three main sectors: Hertel Integrated Services Management and execution of multidiscipline services (scaffolding, insulation, painting and grit blasting and other support services) business based maintenance and total project solutions in the petrochemical, chemical, food, power and waste industries. Hertel Market Services Nuclear decommissioning services, Water treatment (legionnella management), control and maintenance of water systems, Asbestos Removal, Marine Services including total accommodation solutions, tailor made insulation systems and architectural outfitting, Personnel Services, i.e. temporary employment agencies (Friday EuroTech BV) for technical personnel such as welders, fitters, insulators, scaffolders, carpenters and painters and technical staff. Hertel Production & Trade Industrial sealing's, compensators, rubber products such as roofing and sheeting. Supporting insulation products including mattresses, adhesives and Foster materials.

Hertel Holding BV operates as a holding company with interests in industrial construction and maintenance services. The company is headquartered in Rotterdam, the Netherlands.

Browning-Ferris Industries, Inc. provides waste recycling services. The company provides waste management and sanitation services to the commercial, industrial, residential, and governmental clients. It collects, transports, treats, and disposes commercial and industrial solid wastes. It provides resource recovery, hazardous-waste treatment, municipal and commercial sweeping, and medical-waste services. Browning-Ferris Industries is founded by Tom J. Fatjo Jr. and Roger A. Ramsey in 1968 and is headquartered in Phoenix, AZ

Green Gas International BV converts methane emissions into energy. The firm provides gas drainage, conversion, treatment, and management for coal mines, landfills waste water, and biogas facilities. It also offers solutions for gas extraction, energy generation to electricity, heat and carbon credits; project design; engineering; project management, procurement and construction; and operations and maintenance. The company was founded by Chris Norval in 2005 and is headquartered in Amsterdam, the Netherlands.

Hertel (UK) Ltd. operates as an industrial services company. Its services include access solutions, insulation, corrosion protection, mechanical, electrical and instrumental, civil and asbestos and industrial cleaning. The company was founded by Alexander Hertel in 1895 and is headquartered in Middlehaven, the United Kingdom.