DefiSign's defibrillators are produced in France by Schiller, a world-renowned Swiss manufacturer of defibrillation and monitoring systems. DefiSign also manufactures functional items such as defibrillator boxes (for indoor and outdoor use), wall brackets and signage pictograms (signs and stickers).

Schiller is a world-renowned manufacturer and supplier of cardiopulmonary diagnostic, defibrillation and patient monitoring devices, as well as software solutions for the medical industry.