MGKF is involved with the following organizations:

• Air & Waste Management Association, Delaware Valley Chapter
• American Bar Association
• American Railway Development Association
• American Society of Safety Professionals
• ASTM International
• Builders League of South Jersey
• Chamber of Commerce Southern New Jersey
• Chemistry Council of New Jersey
• City Avenue Special Services District
• Delaware Valley Environmental American Inn of Court
• Delaware Valley Smart Growth Alliance
• DRI
• Environmental Law Network
• Fairmount Park Conservancy
• Greater Philadelphia Chapter of the Association of Corporate Counsel
• Green Building United (formerly Delaware Valley Green Building Council)
• Habitat for Humanity
• International Council of Shopping Centers
• International Network of Boutique Law Firms
• Justice Stewart Pollock Environmental American Inn of Court
• Law Firm Sustainability Network
• Lower Merion Conservancy
• Marcellus Shale Coalition
• National Association of Homebuilders
• New Jersey Builders Association
• New Jersey WasteWise Business Network
• Partnership for the Delaware Estuary
• PENJERDEL
• Pennsylvania Bar Association
• Pennsylvania Chamber of Business and Industry
• Pennsylvania Chemical Industry Council
• Pennsylvania Environmental Council
• Philadelphia Bar Association
• Southern New Jersey Development Council
• United States Business Council for Sustainable Development
• Urban Land Institute
• Villanova Urban Stormwater Partnership
• Water Resources Association of the Delaware River Basin