The Canadian Atlantic Section has a large number of active society chapters relative to its size covering a great variety of different topics.
There are also five joint society chapters. These are the
Circuits & Systems / Solid-State Circuits Society,
Computational Intelligence / Systems, Man & Cybernetics Society,
Power & Energy / Industry Applications Society,
Robotics & Automation / Instrumentation & Measurement Society, and the
Signal Processing / Microwave Theory & Techniques Society.