Complex sentence: The Society of Professional Engineers and Associates (SPEA) is an independent union representing engineers, scientists, technologists and tradespeople who work for Candu Energy Inc. (formerly Atomic Energy of Canada Limited (AECL) Candu division) in Mississauga, Ontario, Canada.
Split into simpler sentences: The Society of Professional Engineers and Associates (SPEA) is an independent professional union in Canada. Its membership includes engineers, scientists, technologists and tradespeople who work for Candu Energy Inc. (formerly Atomic Energy of Canada Limited (AECL) Candu division) in Mississauga, Ontario, Canada.