Utility companies
AEE - Ameren Corporation
AEP - American Electric Power Company, Inc.
AES - The AES Corporation
AWK - American Water Works Company, Inc.
AYE - Allegheny Energy, Inc
CEG - Constellation Energy Group, Inc
CMS - CMS Energy Corporation
CNP - CenterPoint Energy, Inc.
D - Dominion Energy, Inc.
DTE - DTE Energy Company
DUK - Duke Energy Corporation
ED - Consolidated Edison, Inc.
EIX - Edison International
ES - Eversource Energy
ETR - Entergy Corporation
EXC - Exelon Corporation
FE - FirstEnergy Corp.
GAS - Nicor Inc
LNT - Alliant Energy Corporation
NEE - NextEra Energy, Inc.
NI - NiSource Inc.
PCG - PG&E Corporation
PEG - Public Service Enterprise Group Incorporated
PGN - Progress Energy, Inc.
PNW - Pinnacle West Capital Corporation
POM - Pepco Holdings Inc
PPL - PPL Corporation
SCG - SCANA Corporation
SO - The Southern Company
SRE - Sempra Energy
STR - Questar Corporation
TE - TECO Energy, Inc.
TEG - Integrys Energy Group, Inc.
WEC - WEC Energy Group, Inc.
XEL - Xcel Energy Inc.