Endreß Ingenieurgesellschaft has a total of 80 employees and is active in four business areas: Fire protection, planning of extinguishing systems, training/services and testing (including fire protection concepts). In addition to the headquarters in Bad Homburg, there are six other locations. As part of the contract for Terminal 3 at Frankfurt Airport, a location was established at Frankfurt Airport in 2011. Other locations are in Ludwigshafen and Bad Kreuznach, from where mainly large projects for US bases in Germany are processed, currently for example the new hospital in Landstuhl.
Tobias Endreß also provided information about his company's successful "Fire & Smoke" series, a specialist event with practical tests and fire protection seminars for specialist audiences from authorities, building owners and planners, in cooperation with companies active in fire protection and firefighters.