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    Note: Confines the search results to companies with major focus on the selected sector
    i Confines the search results to companies with major focus on the selected sector
Company Name Entity type Parent/Subsidiary/Independent Headquarters No. of Employees Annual Revenue ($M)
Constellation Energy Generation LLC Private Subsidiary (of Constellation Energy Corp  
)
United States of America 13,370 24,440
Exelon Corp Public Parent United States of America 19,962 21,727
PECO Energy Co Private Subsidiary (of Exelon Corp) United States of America 2,600 3,903
Constellation Generation Ltd
Private Subsidiary (of Exelon Corp  
)
United Kingdom XYZ XYZ
Exelon Solutions
Private Independent United States of America XYZ XYZ
Exelon Foundation
Private Independent United States of America XYZ XYZ
Exelon Nuclear Partners
Private Subsidiary (of Exelon Corp  
)
United States of America XYZ XYZ
Exelon Energy Company
Private Independent United States of America XYZ XYZ
Exelon Power LLC
Private Subsidiary (of Constellation Energy Generation LLC  
)
United States of America XYZ XYZ
Exelon Clearsight, LLC
Private Subsidiary (of Exelon Corp  
)
United States of America XYZ XYZ
Exelon Wind LLC
Private Subsidiary (of Exelon Corp  
)
United States of America XYZ XYZ
Exelon New England Power Marketing, LP
Private Subsidiary (of Sithe New England Holdings, LLC  
)
United States of America XYZ XYZ
Exelonix GmbH
Private Independent Germany XYZ XYZ
Baltimore Gas and Electric Co Private Subsidiary (of Exelon Corp) United States of America 3,200 3,895
Pepco Holdings LLC
Private Subsidiary (of Exelon Corp  
)
United States of America XYZ XYZ
China Nuclear Power Operations Management Co., Ltd.
Private Subsidiary (of China National Nuclear Corp  
)
China XYZ XYZ
Delmarva Power
Private Subsidiary (of Exelon Corp  
)
United States of America XYZ XYZ
Commonwealth Edison Co
Private Subsidiary (of Exelon Corp  
)
United States of America XYZ XYZ
Atlantic City Electric Company
Private Subsidiary (of Pepco Holdings LLC  
)
United States of America XYZ XYZ
Constellation Technology Ventures
Private Subsidiary (of Constellation Brands Inc  
)
United States of America XYZ XYZ
Tenaska Georgia Partners, L.P.
Private Independent United States of America XYZ XYZ
Constellation Energy Services Inc
Private Subsidiary (of Constellation Capital AG  
)
United States of America XYZ XYZ
Novartis Finland Oy
Private Subsidiary (of Novartis AG  
)
Finland XYZ XYZ
McShane Construction Co
Private Subsidiary (of The McShane Companies  
)
United States of America XYZ XYZ
Nisys Corporation
Private Independent United States of America XYZ XYZ

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