Below is the list of companies that are being asked by investors to declare their support for continued EPA regulation of methane as part of the campaign. 

• Anadarko Petroleum Corporation (APC)
• Antero Resources (AR)
• Apache (APA)
• British Petroleum (BP)
• Cabot Oil & Gas (COG)
• Chesapeake Energy Corporation (CHK)
• Chevron (CVX)
• Cimarex Energy (XEC)
• ConocoPhillips (COP)
• Continental Resources (CLR)
• Devon Energy (DVN)
• Enbridge (ENB)
• Encana
• Diamondback Energy, Inc.
• EOG Resources (EOG)
• EQT (EQT)
• Equinor / Statoil (EQNR)
• Exxon Mobil (XOM)
• Hess Corporation (HES)
• Kinder Morgan (KMI)
• National Fuel Gas (Seneca Resources) (NPG)
• Noble Energy (NBL)
• Occidental (OXY)
• Pioneer Natural Resources Company (PXD)
• QEP Resources (QEP)
• Range Resources Corporation (RRC)
• Repsol (REP)
• Royal Dutch Shell (RDS.A)
• Southwestern (SWN)
• Whiting Petroleum Corp (WLL)