Australia

Humes

Rocla

RCPA

New Zealand

Humes

Hynds

ARRB Transport Research

Australasian Society for Trenchless Technology

Cement Concrete & Aggregates Australia

Cement and Concrete Association of New Zealand 

Civil Contractors Federation (Australia) 

Concrete Institute of Australia 

Ingenium (NZ)

Institution of Engineers Australia

Institution of Professional Engineers New Zealand

Institute of Public Works Engineering Australia

Standards Australia

Standards New Zealand

National Precast Concrete Association of Australia

New Zealand Concrete Society 

New Zealand Contractors Federation

Steel Reinforcement Institute of Australia

Stormwater Industry Association

Water NZ

Water Services Association of Australia

Department of Infrastructure, Energy and Resources, Tasmania

Department of Transport and Works Northern Territory

Queensland Main Roads

Main Roads Western Australia

NZ Transit

Transport South Australia

Roads and Traffic Authority NSW

VicRoads

American Concrete Pressure Pipe Association 

American Concrete Pipe Association

Canadian Concrete Pipe Association

Concrete Pipeline Systems Association (UK)

Illinois Concrete Pipe Association (USA)

Ontario Concrete Pipe Associatio (Canada)

Tubecon (Canada)