An international CBRN consultancy and supply company serving the defense, security, and emergency response sectors.

CSI Ltd. is an international consultancy and supply company headquartered in Ankara, Turkey, operating in the CBRN (Chemical, Biological, Radiological, and Nuclear) domain for defense and security sectors.

With over 25 years of industry experience, CSI Ltd. delivers reliable, sustainable, and high-standard solutions tailored to the requirements of military units, security forces, and emergency response organizations.

We specialize in the procurement of CBRN protection solutions and follow a service approach built on quality, continuity, and timely delivery—supported by long-term partnerships with reputable national and international manufacturers and suppliers.

Backed by highly experienced professionals, CSI Ltd. operates as a strategic and trusted solution partner, contributing to enhanced security and operational readiness against CBRN threats.