International groups:

LIPS Lean in Public Sector Construction

International Group for Lean Construction

Lean Construction Institute

Lean Construction Network

Lean Construction Group

Regional groups:

European Group for Lean Construction

Lean Construction Institute UK

Spanish Group for Lean Construction

Lean Construction Portuguese Group

Lean Construction Institute Australia

Lean Construction Brasil

Lean Construction Denmark

Lean Construction France

German Group for Lean Construction

Institute for Lean Construction Excellence

Lean Construction South Africa

Lean Construction Netwerk Nederland

Mexican Group for Lean Construction