Chickasaw Nation Industries, Inc. (CNI) is a federally chartered corporation wholly owned by the Chickasaw Nation. Headquartered in Norman, Oklahoma, CNI serves as a holding company with multiple subsidiaries that operate as Limited Liability Companies (LLCs) engaged in several lines of business including Civilian, Defense, Filtration, Network Services, and Research, Development, Test and Evaluation. CNI supports a diverse culture that offers innovative approaches and customer-centered services. When you do business with us, you gain efficient and cost-effective solutions that help safeguard the environment, protect and secure key assets, and connect resources to needs. We are proud to suppo