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Energy

Mesa Royalty Trust
Mesa Royalty Trust
Murphy Oil Corporation
Murphy Oil Corporation
Mexco Energy Corporation
Mexco Energy Corporation
Nordic American Tankers Limited
Nordic American Tankers Limited
Nabors Industries Ltd.
Nabors Industries Ltd.
NACCO Industries, Inc.
NACCO Industries, Inc.
NCS Multistage Holdings, Inc.
NCS Multistage Holdings, Inc.
Noble Corporation plc
Noble Corporation plc
National Energy Services Reunited Corp.
National Energy Services Reunited Corp.
NextDecade Corporation
NextDecade Corporation
National Fuel Gas Company
National Fuel Gas Company
NGL Energy Partners LP
NGL Energy Partners LP
Natural Gas Services Group, Inc.
Natural Gas Services Group, Inc.
Nine Energy Service, Inc.
Nine Energy Service, Inc.
North American Construction Group Ltd.
North American Construction Group Ltd.
Northern Oil and Gas, Inc.
Northern Oil and Gas, Inc.
NPK International Inc.
NPK International Inc.
Natural Resource Partners L.P.
Natural Resource Partners L.P.
North European Oil Royalty Trust
North European Oil Royalty Trust
Navigator Holdings Ltd.
Navigator Holdings Ltd.
NexGen Energy Ltd.
NexGen Energy Ltd.
Obsidian Energy Ltd.
Obsidian Energy Ltd.
Oceaneering International, Inc.
Oceaneering International, Inc.
Oil States International, Inc.
Oil States International, Inc.
ONEOK, Inc.
ONEOK, Inc.