Christopher Collett and Associates Ltd. teams up with a wide range of specialist companies to provide IAQ research and consulting services, including HVAC System Contractors, Occupational Health and Safety Consultants, Green Building and Sustainability Consultants, and Analytical Laboratories. The following list highlights specialist companies who have a long history of collaboration with Christopher Collett and Associates Ltd in IAQ projects.

Clean Air Services Canada is a specialist HVAC cleaning contractor in Langley, B.C. We have worked together on HVAC cleaning and inspection projects in a wide range of indoor environments, including offices, schools, universities, hospitals, cruise ships and submarines.

KD Engineering is a Vancouver based company, which provides HVAC testing, adjusting and balancing services, and mechanical and electrical commissioning. We have worked together on IAQ investigations for close to 20 years.

Safetech Environmental is an Ontario based health and safety consulting firm. Christopher Collett and Associates Ltd. has teamed up with Safetech Environmental to create a Cross Canada team to meet the project needs of national clients.

Kane Consulting is a team of sustainability consultants that works with owners and facilities to define, prioritize, and realize their sustainability objectives. Christopher Collett and Associates Ltd. provides LEED IAQ testing services for Kane Consulting projects throughout B.C.

Christopher Collett and Associates Ltd. utilizes the expertize of experienced accredited laboratories in B.C., Ontario and the U.S. for the analysis of chemical and microbiological samples collected in our IAQ projects. Our labs of choice include Maxxam Analytics, Cassen, EMLab P&K, EMC Scientific and Paracel Laboratories.