Energy & Utilities
- Algonquin Power & Utilities Corp.
- Alliant Energy Corp.
- Ameren Corp.
- American Electric Power Company, Inc.
- American Transmission Co
- American Water Works Company, Inc.
- Anadarko Petroleum Corp.
- Antero Midstream Corp.
- Antero Resources Corporation
- Apache Corporation
- Apergy Corporation
- Aqua America, Inc.
- Arch Coal, Inc.
- Ascendant Group Limited
- Atmos Energy Corp.
- Avangrid, Inc.
- Berry Petroleum Corporation
- Black Hills Corporation
- Boralex Inc.
- Cabot Oil & Gas Corporation
- California Water Service Group
- Callon Petroleum Company
- Calumet Specialty Products Partners L.P.
- Capstone Turbine Corporation
- Casella Waste Systems, Inc.
- Chesapeake Utilities Corp.
- Connecticut Water Service Inc.
- ConocoPhillips
- Consolidated Edison Company of NY Inc.
- Consolidated Water Co. Ltd.
- Crestwood Equity Partners LP
- Dominion Energy, Inc.
- Earthstone Energy, Inc.
- Edison International
- El Paso Electric Co.
- Enable Midstream Partners, LP
- Enbridge Inc.
- Encana Corporation
- Energy Recovery, Inc.
- EP Energy Corporation
- EQT Corp.
- Ergon, Inc.
- Evergy, Inc.
- Eversource Energy
- Exelon Corporation
- Federated States of Micronesia Petroleum Corp.
- FirstEnergy Corp.
- Frank's International N.V.
- FuelCell Energy, Inc.
- Gran Tierra Energy Inc.
- Halliburton Co.
- Hawaiian Electric Industries, Inc.
- Helix Energy Solutions Group, Inc.
- Helmerich & Payne Inc.
- Hess Corporation
- Highpoint Resources Corp
- HollyFrontier Corp.
- IDACORP Inc.
- Independence Contract Drilling, Inc.
- ISO New England Inc.
- Long Island Power Authority
- Lower Colorado River Authority (LCRA)
- Magellan Midstream Partners, L.P.
- Matrix Service Company
- MDU Resources Group Inc.
- MGE Energy, Inc.
- Mueller Water Products Inc.
- Murphy Oil Corporation
- Nabors Industries Ltd.
- National Oilwell Varco
- New Jersey Resources Corp.
- New York Power Authority
- NexTier Oilfield Solutions Inc.
- Noble Corporation PLC
- Noble Energy Inc.
- NorthWestern Corporation
- Novatus Energy LLC
- NRG Energy, Inc.
- nVent Electric PLC
- NW Natural
- Occidental Petroleum Corporation
- Ocean Power Technologies Inc.
- ONE Gas, Inc.
- ONEOK Inc.
- Otter Tail Corporation
- Patterson-UTI Energy Inc.
- Peabody Energy Corp.
- Penn Virginia Corporation
- Pentair PLC
- Phillips 66
- Pinnacle West Capital Corp.
- PJM Interconnection
- Plains All American Pipeline, L.P.
- PNM Resources Inc.
- Portland General Electric Company
- PPL Corporation
- Precision Drilling Corp.
- ProPetro Holding Corp.
- Public Service Enterprise Group Incorporated (PSEG)
- Puget Sound Energy
- Rappahannock Electric Cooperative
- Recology Inc.
- Republic Services Inc.
- Rosehill Resources Inc.
- Shell Midstream Partners GP LLC
- SilverBow Resources Inc
- South Central Connecticut Regional Water Authority
- South Jersey Industries Inc.
- Southern Company
- Southwest Generation Operating Company LLC
- Southwest Power Pool Inc.
- Southwest Water Company
- Southwire Company LLC
- SUEZ North America
- Summit Utilities Inc.
- Talos Energy, Inc.
- TC PipeLines LP
- The Midcontinent Independent System Operator, Inc.
- TransAlta Corporation
- UGI Corp.
- Unit Corporation
- Ur Energy Inc
- USA Compression Partners LP
- Washington Gas Light Company
- Waste Connections, Inc.
- Waste Management, Inc.
- WEC Energy Group, Inc.
- Xylem Inc.
View the full board members by industry overview listing.