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Companies similar to NiSource

Discover businesses that overlap with NiSource. Compare their performance, financials and the industries behind the score.

NINiSourceStock dashboard ↗
WEC100.0%MDU86.4%NWE85.8%NI
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Businesses overlapping with NI 15

Ranked by unscaled business similarity · Annual filings released in 2025

WECWEC Energy Group
100.0% Similarity
MDUMDU Resources Group
86.4% Similarity
NWENorthWestern Energy Group
85.8% Similarity
DTEDTE Energy Company
83.9% Similarity
BKHBlack Hills
81.3% Similarity
SOThe Southern Company
79.7% Similarity
CPKChesapeake Utilities
75.4% Similarity
SRESempra
75.3% Similarity
ENBEnbridge
72.4% Similarity
PCGPG&E
67.6% Similarity
UTLUnitil
67.3% Similarity
NJRNew Jersey Resources
66.7% Similarity
PAMPampa Energia S.A.
66.6% Similarity
UGIUGI
64.4% Similarity
CNPCenterPoint Energy
61.5% Similarity

Similarity measures overlap in classified business activities. Identical tags can score 100% even when products differ. Review the company descriptions and filing evidence.