CCRG members are actively engaged in external scientific collaborations such as:

• The Ligo Scientific Collaboration (LSC)
• The LISA international Science Community (LISC)
• The LCGT and DECIGO collaborations
  
• The Ninja Project
  
• The Xirel Project
• The CIGR Project 
• The Coma Cluster Treasury Survey

CCRG members also collaborate closely with researchers in several RIT's departments, research units and programs, such as:

• The Center for Applied and Computational Mathematics (CACM)
• The School of Mathematical Sciences
• The Astrophysical Science & Technology graduate program
• The Physics department
• The Computer Science department
• The Center for Imaging Science