- Pessoa coletiva
- 1952 -
Established in 1952 and incorporated in 1957 as Marshall Macklin Monaghan Limited (MMM) by Professor Oscar Joseph Marshall, P.Eng, OLS, Professor Harold Lawson Macklin P.Eng, CLS, OLS, and Patrick Anthony Monaghan, OLS.
Today MMM is a "multidisciplinary professional services firm active in program and project management, civil and building engineering, planning and geomatics."