Pacific Rim Mechanical maintains professional affiliations with the following organizations:
| Associated Builders & Contractors |
| Association of Energy Engineers |
AGC | Associated General Contractors of America |
| American Society of Professional Estimators |
| American Society of Heating, Refrigerating & Air Conditioning Engineers |
BCA | Building Commissioning Association |
BOMA | Building Owner's and Manager's Association |
| Construction Finance Management Association |
CSHE | California Society of Hospital Engineers |
IREM | International Real Estate Managers Association |
| International Society for Pharmaceutical Engineering |
| Refrigeration Service Engineers Society |
SDCCDEC | San Diego Community College District Education Council |
SDFRG | San Diego Facility Resources Group |
| Society for Human Resource Management |
LEED | Leadership in Energy and Environmental Design |
| United States Green Building Council |
