Leadership in Energy and Environmental Design (LEED)
United States Green Building Council (USGBC)
EPA Design for the Environment (DFE)
EPA Comprehensive Procurement Guideline (CPG)
EPA's Environmentally Preferable Purchasing
Collaborative for High Performance Schools (CHPS)
Green Guide for Health Care (GGHC)
Hospitals for Healthy Environment
The Worldwide Cleaning Industry Association (ISSA)
Building Service Contractors Association International (BSCAI)
Pennsylvania Green Building and Operations Maintenance Manual
The Ashkin Group