triadic
- institute of chemical biology and drug discovery
- institute of chemical defense
- institute of chemical dependency studies
- institute of chemical industry of forest products
- institute of chemical kinetics and combustion
- institute of chemical physics
- institute of chemical process fundamentals
- institute of chemical waste management
- institute of chemistry and cell biology
- institute of chemistry and technology of environmental protection
- institute of chemistry, chinese academy of sciences
- institute of chemistry of ireland
- institute of child and adolescent health
- institute of child and mother health
- institute of child development
- institute of child education and psychology europe
- institute of child health
- institute of child health and human development
- institute of child health and primary care
- institute of child studies
- institute of child study laboratory school
- institute of christian and jewish studies
- institute of christ the king sovereign priest
- institute of cinematography
- institute of circulatory and respiratory health