| Association of Professional Engineers and Geoscientists of BC | Bud Fraser is a member in good standing | |
| British Columbia Society of Landscape Architects (BCSLA) | Registered members in good standing: Douglas Backhouse, David Reid, Don Crockett and Jana Zelenski. Intern members: Travis Warren, Kate Stefiuk | |
| Canada Green Building Council | Member firm. LEED® accredited professionals: Mark Holland and Rob Barrs. | |
| Canadian Institute of Planners | Members in good standing: Mark Holland, Rob Barrs, Peter Whitelaw, Odete Pinho, Joaquin Karakas.
Provisional Members: David Reid, Vince Verlaan, Andrea Tower, Sebastian Lippa and Tracy Vaughan. |
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| Canadian Society of Landscape Architects (CSLA) | Fellow member: David Reid (FCSLA). Members in good standing: Douglas Backhouse, Don Crockett, and Jana Zelenski. |
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| Cascadia Green Building Council | Member firm. LEED® accredited professionals: Mark Holland and Rob Barrs. | |
| Community Energy Association | Mark Holland was on the board from 1998 - 2008. | |
| Eco-Design Resource Society | Mark Holland has been the Vice- President of the organization since 2001. | |
| Eco-Industrial Group (EIG) | The firm was a member of the Eco-Industrial Group while it was active, a consortium of engineers, planners, and ecologists who worked together on national and international projects utilizing the principles of Eco-Industrial Networking. | |
| Everett Crowley Park Committee | Vince Verlaan was chair of the committee for 9 years. | |
| Genuine Progress Index Pacific Society | Vince Verlaan was volunteer Executive Director from 2005-2008. | |
| International Erosion Control Association (IECA) | David Reid is a member in good standing. | |
| Imagine 1 Day | Vince Verlaan is a founding board member. | |
| Island Corridor Foundation | Doug Backhouse volunteers as Executive Director. Leigh Sifton offers staff support. | |
| Planning Institute of British Columbia | Full Members in good standing: Mark Holland, Rob Barrs, Peter Whitelaw, Odete Pinho, Joaquin Karakas.
Provisional Members: David Reid, Vince Verlaan, Andrea Tower, Sebastian Lippa and Tracy Vaughan. |
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| SmartGrowth BC | Rob Barrs was on the Board of Directors from 2001 - 2008. Vince Verlaan from 2005-2008. | |
| Urban Development Institute (UDI) | Member firm. |