ENB
2nd
Enbridge
$104.61Bn
47.90
+1.63%
+1.46%
The company operates rate-regulated natural gas utility operations in Ontario, Quebec, Ohio, North Carolina, Utah, Wyoming, and Idaho, delivering gas to residential, commercial, and industrial customers.
SO
2nd
Southern
$104.34Bn
90.70
+1.60%
-7.16%
The Southern Company Gas segment operates regulated natural gas distribution networks serving about 4.4 million customers in Illinois, Georgia, Virginia, and Tennessee.
DUK
2nd
Duke Energy
$94.39Bn
121.33
+1.74%
-5.90%
The company operates a Gas Utilities and Infrastructure segment providing regulated natural gas distribution to 1.8 million customers through utilities like Piedmont and Duke Energy Ohio.
NGG
2nd
National Grid
$84.28Bn
81.05
+2.56%
+5.80%
The company provides regulated natural gas delivery services to customers across its New York and New England service territories.
D
2nd
Dominion Energy
$55.32Bn
62.86
+1.08%
+2.29%
The Dominion Energy South Carolina segment includes natural gas distribution to approximately 0.5 million customers.
SRE
2nd
Sempra
$54.13Bn
82.80
+1.31%
-10.70%
The company operates SoCalGas, which provides regulated natural gas distribution throughout most of Southern California and part of central California.
XEL
2nd
Xcel Energy
$47.88Bn
76.68
+2.05%
-5.66%
The company operates regulated natural gas distribution networks serving 2.2 million customers, generating 2.452 billion dollars in natural gas revenues.
EXC
2nd
Exelon
$44.41Bn
43.03
+1.46%
-10.80%
The company also operates regulated natural gas distribution networks through subsidiaries such as PECO, BGE, and DPL, delivering gas to retail customers in Pennsylvania, Maryland, and Delaware.
ED
2nd
Consolidated Edison
$41.41Bn
111.97
+2.08%
+10.08%
The company operates regulated natural gas distribution networks through CECONY and O&R, serving over 1.2 million gas customers in Manhattan, the Bronx, Queens, and southeastern New York.
WEC
2nd
Wec Energy
$35.44Bn
108.75
+1.65%
-7.45%
The company operates regulated natural gas distribution networks through subsidiaries like WG, PGL, NSG, MERC, and MGU, serving customers in Wisconsin, Illinois, and Michigan.
PEG
2nd
Public Service Enterprise
$35.31Bn
70.85
+0.75%
-16.48%
The PSE&G segment is explicitly described as being engaged in the distribution of natural gas to customers in New Jersey under regulated tariffs.
AEE
2nd
Ameren
$29.40Bn
106.22
+2.14%
+0.50%
The company operates rate-regulated natural gas distribution systems in both Missouri and Illinois, procuring and delivering gas to end-use customers under approved tariffs.
PCG
2nd
Pg&E
$29.03Bn
13.18
+0.53%
-20.98%
The company operates a Natural Gas segment responsible for the transportation, storage, and distribution of natural gas to approximately 4.3 million residential, commercial, and industrial accounts under regulated tariffs.
FTS
2nd
Fortis
$28.30Bn
55.79
+1.57%
+8.10%
The company operates regulated natural gas distribution networks through subsidiaries such as FortisBC Energy, the largest regulated distributor of natural gas in British Columbia, and UNS Gas Inc.
ATO
Atmos Energy
$28.24Bn
167.12
+1.48%
-5.98%
Atmos Energy is a natural gas distributor serving approximately 3,400,000 residential, commercial, and industrial customers under rates set by state regulatory authorities. Its Distribution segment is its core business, providing regulated natural gas sales and delivery.
DTE
2nd
Dte Energy
$26.90Bn
129.28
+1.84%
-9.80%
The company operates DTE Gas, a regulated natural gas utility engaged in the purchase, distribution, and storage of natural gas for customers in Michigan.
CNP
2nd
Centerpoint Energy
$26.51Bn
40.24
+1.72%
+0.05%
The company operates a substantial regulated natural gas distribution business serving roughly 3,996,255 metered customers. It generates revenue from the sale and distribution of natural gas to residential, commercial, and industrial customers under regulated tariffs.
PPL
2nd
Ppl
$26.05Bn
34.63
+0.93%
-8.07%
The company operates regulated natural gas distribution networks through its subsidiaries in Kentucky (LG&E) and Rhode Island (RIE), selling gas to residential and commercial customers under regulated tariffs.
ES
2nd
Eversource Energy
$24.61Bn
65.43
+1.49%
-10.19%
The company operates a substantial natural gas distribution business through subsidiaries like NSTAR Gas, EGMA, and Yankee Gas, delivering gas to hundreds of thousands of retail customers.
CMS
2nd
Cms Energy
$21.46Bn
68.42
+1.57%
-8.88%
The company operates a regulated gas utility through its Consumers subsidiary, which generated $2.5 billion in 2025 revenue from the purchase, transmission, and distribution of natural gas to retail customers.
NI
Nisource
$20.50Bn
42.76
+1.91%
-2.49%
NiSource operates extensive regulated natural gas distribution networks through its Columbia Operations and NIPSCO Gas segments, serving approximately 3.3 million customers across six states. Its revenue is derived from the sale of natural gas to residential, commercial, and industrial customers under a regulated rate-base model.
YPF
2nd
Ypf Sociedad Anonima
$19.97Bn
50.77
+0.24%
+102.11%
The company operates a regulated natural gas distribution business through its subsidiary Metrogas, providing distribution services to residential, commercial, and industrial customers.
LNT
2nd
Alliant Energy
$17.70Bn
68.27
+2.12%
-0.47%
The company provides regulated natural gas service to approximately 435,000 retail customers in Iowa and Wisconsin. It derives significant revenue from the distribution and transportation of natural gas under regulated tariffs.
EMA
2nd
Emera
$14.26Bn
47.26
+1.46%
-4.10%
The company owns and operates regulated gas distribution networks through its Gas Utilities and Infrastructure segment, specifically mentioning Peoples Gas System and New Mexico Gas Company.
WTRG
2nd
Essential Utilities
$11.63Bn
40.99
+1.46%
-2.24%
The company operates a Regulated Natural Gas segment under the Peoples brand, delivering gas to residential, commercial, and industrial customers via a pipeline network. Revenue is derived from gas sales, transportation, and storage services under regulated tariffs.
BIPH
2nd
Brookfield Infrastructure Partners
$9.66Bn
15.30
-1.10%
-11.05%
The company owns and operates regulated natural gas pipelines and distribution networks, serving customers under regulated tariffs.
UGI
2nd
Ugi
$8.28Bn
38.58
+1.34%
+17.77%
The company operates regulated natural gas distribution networks as part of its Utilities segment, delivering gas to customers under regulated tariffs.
NFG
2nd
National Fuel Gas
$7.59Bn
79.83
+2.15%
-7.68%
The Utility segment, consisting of National Fuel Gas Distribution Corporation, delivers natural gas to approximately 756,000 residential, commercial, and industrial customers under a regulated cost of service model.
SWX
Southwest Gas Holdings
$6.46Bn
89.12
+3.17%
+12.30%
The company is a holding company primarily engaged in the regulated distribution of natural gas to residential, commercial, and industrial customers in Arizona, Nevada, and California. Its revenue is derived from regulated rates approved by state and federal commissions for gas delivery and infrastructure cost recovery.
BKH
2nd
Black Hills
$5.91Bn
77.57
+1.53%
+19.65%
The company operates a Gas Utilities segment that owns and operates natural gas distribution systems delivering gas to residential, commercial, and industrial customers under regulated rates set by state authorities.
NJR
New Jersey Resources
$5.28Bn
52.04
+1.70%
+10.65%
The company's principal business is the distribution of natural gas through a regulated utility serving residential and commercial customers in several New Jersey counties, regulated by the New Jersey Board of Public Utilities.
SR
Spire
$4.90Bn
82.85
+2.03%
-5.01%
Spire operates regulated natural gas distribution franchises through subsidiaries like Spire Missouri and Spire Alabama, delivering gas to residential, commercial, and industrial customers under regulated tariffs.
OGS
ONE Gas
$4.75Bn
75.62
+1.30%
-9.09%
ONE Gas operates as a regulated public utility delivering natural gas to residential, commercial, and transportation customers in Oklahoma, Kansas, and Texas. Its revenue is derived from natural gas sales and delivery charges under rate-regulated frameworks overseen by state commissions.
NWE
2nd
NorthWestern Energy
$4.64Bn
75.39
+1.28%
+23.83%
The company operates a natural gas utility operations segment that manages the production, purchase, transmission, storage, and distribution of natural gas to residential, commercial, and industrial customers via underground pipeline networks.
PAM
2nd
Pampa Energy
$4.25Bn
78.21
-2.24%
+29.85%
The company operates gas distribution networks to deliver natural gas to residential, commercial, and industrial users.
AQN
2nd
Algonquin Power & Utilities
$4.03Bn
5.24
+1.55%
-13.39%
Algonquin operates regulated natural gas distribution networks serving approximately 378,000 connections, with revenue derived from volumetric delivery charges and fixed customer charges approved by regulators.
MDU
2nd
Mdu Resources
$4.02Bn
19.10
+1.00%
-1.44%
The company has a Natural gas distribution segment that delivers natural gas to residential, commercial, and industrial customers through regulated distribution systems.
CPK
2nd
Chesapeake Utilities
$3.14Bn
130.17
+0.94%
-3.09%
Chesapeake Utilities operates regulated natural gas distribution networks through subsidiaries such as Florida City Gas and Delmarva Natural Gas, earning approved rates for delivering gas to retail customers.
AVA
2nd
Avista
$3.08Bn
36.83
+1.99%
-5.59%
The company provides regulated natural gas distribution services to retail customers in its service territories through its Avista Utilities segment.
MGEE
2nd
Mge Energy
$2.73Bn
72.20
+1.25%
-15.91%
The company operates a regulated gas utility segment that purchases and distributes natural gas to approximately 180,000 customers across seven south central Wisconsin counties.
WELPP
2nd
Wisconsin Electric Power
$2.06Bn
62.02
+0.00%
-8.19%
The company operates a regulated natural gas distribution network serving roughly 520 thousand residential, commercial, industrial, and transportation customers.
NWN
Northwest Natural Holding
$2.06Bn
48.92
+2.09%
+4.84%
The company's primary operations involve delivering natural gas to residential, commercial, and industrial customers in Oregon, Washington, and Texas through its NW Natural and SiEnergy segments. Revenue is generated through regulated utility rates approved by state public utility commissions.
UTL
2nd
Unitil
$977.28Mn
53.62
+1.23%
+7.54%
The company operates regulated natural gas distribution networks through subsidiaries like Northern Utilities and Maine Natural Gas Corporation, serving roughly 105,000 customers. This activity, combined with transmission, accounts for 56% of total operating revenue.
CIG
2nd
Energy Co Of Minas Gerais
$614.28Mn
2.33
+1.75%
+14.78%
Through its subsidiary Gasmig, the company operates a regulated natural gas distribution network supplying over 100,000 customers, including industrial plants and residential households.
BIPC
2nd
Brookfield Infrastructure
$482.12Mn
37.05
-0.70%
-19.72%
The company operates regulated natural gas distribution in the United Kingdom and a regulated gas transmission system in Brazil, earning revenue from tariffs and transportation agreements.
RGCO
Rgc Resources
$236.18Mn
22.67
+0.31%
+5.39%
The company's primary operations involve the regulated distribution and sale of natural gas to residential, commercial, and industrial customers through its subsidiary, Roanoke Gas. It operates under exclusive franchises and CPCNs with rates overseen by the State Corporation Commission (SCC).