5Suppliers
20Customers
1Debt Items
20Related Chains

Source-Backed Evidence Depth

The Southern Company (SO) is shown with relationship data already present in ChainSifter's database. Counts below come from stored supply-chain records and filing/source URLs where available; missing source URLs are not filled in or estimated.

27Total relationships
2Distinct source URLs
13High confidence
0.756Average confidence
2026-10-28Latest database update
ChainSifter does not infer unreported suppliers, customers, ownership, acquisitions, debt exposure, revenue dependency, or future supply-chain events on this public page.

The Southern Company Suppliers

TickerNameConfidenceEvidence
PWR Quanta Services, Inc. 92% Reciprocal relationship from PWR graph: Reciprocal relationship from SO graph: Reciprocal relationship from PWR graph: Reciprocal relationship from SO graph: Reciprocal relationship from PWR graph: R…
DALTON-PIPELINE DALTON-PIPELINE 90% The gas pipeline investments segment consists of joint ventures in natural gas pipeline investments including a 50 % interest in SNG and a 50 % joint ownership interest in the Dalton Pipeline
GPJA Georgia Power Company 5% JR SUB NT 77 85% Reciprocal relationship from GPJA graph: Reciprocal relationship from SO graph: Reciprocal relationship from GPJA graph: Reciprocal relationship from SO graph: Reciprocal relationship from GPJA graph…
LODE Comstock Inc. 85% Reciprocal relationship from LODE graph: $ — $ 38,250 Recycling 40,887 — — — — 40,887 Decommissioning Services 228,383 — — — — 228,383 Off-take 5,936 — — — — 5,936 Total Revenue $ 275,206 $ 33,750 $ …
D Dominion Energy, Inc. 72% Reciprocal relationship from D graph: Reciprocal relationship from SO graph: Reciprocal relationship from D graph: Reciprocal relationship from SO graph: Reciprocal relationship from D graph: Recipro…

The Southern Company Customers

TickerNameConfidenceEvidence
USGOV-GENERAL-SERVICES-ADMINISTRATION USGOV-GENERAL-SERVICES-ADMINISTRATION 95% USAspending awards from General Services Administration: $17,737,220 across 1 awards. 47PE0522F0028 UESC FOR THE STATE OF GEORGIA | Qwen corrected direction: Explicit government contract awards from …
SOUTHSTAR SOUTHSTAR 92% The gas marketing services segment provides natural gas marketing to end-use customers primarily in Georgia through SouthStar.
D Dominion Energy, Inc. 90% Reciprocal relationship from D graph: Reciprocal relationship from SO graph: Reciprocal relationship from D graph: Reciprocal relationship from SO graph: Reciprocal relationship from D graph: Recipro…
USGOV-NATIONAL-AERONAUTICS-AND-SPACE-ADMINISTRAT USGOV-NATIONAL-AERONAUTICS-AND-SPACE-ADMINISTRAT 90% USAspending awards from National Aeronautics and Space Administration: $10,072,919 across 1 awards. NNL15AB25D IGF::OT::IGF NASA LARC NATURAL GAS SERVICE | Qwen corrected direction: Explicit governme…
ATLANTA-GAS-LIGHT-SOUTHERN-COMPANY ATLANTA-GAS-LIGHT-SOUTHERN-COMPANY 85% oversight by regulatory agencies in each of the states it serves. These agencies approve natural gas rates designed to provide Southern Company Gas with the opportunity to generate revenues to recove…
FOR-SOUTHERN-COMPANY FOR-SOUTHERN-COMPANY 85% ized but is subject to an annual impairment test during the fourth quarter of each year, or more frequently if goodwill impairment indicators exist. 42 Table of Contents Index to Financial Statements…
U-S-GENERAL-SERVICES-ADMINISTRATION U-S-GENERAL-SERVICES-ADMINISTRATION 85% Southern Company Gas received cash advances totaling approximately $ 68 million from a third-party financial institution to fund work performed. These advances have been accounted for as long-term de…
GPJA Georgia Power Company 5% JR SUB NT 77 72% Reciprocal relationship from GPJA graph: Reciprocal relationship from SO graph: Reciprocal relationship from GPJA graph: Reciprocal relationship from SO graph: Reciprocal relationship from GPJA graph…
ALABAMA-POWER-GEORGIA-POWER-MISSISSIPPI-POWER-SO ALABAMA-POWER-GEORGIA-POWER-MISSISSIPPI-POWER-SO 62% aterial for Southern Company, the traditional electric operating companies, and Southern Company Gas. Deferred gains and losses related to interest rate derivatives are expected to be amortized into …
CONTINUED-RESULTS-OF-OPERATIONS-SOUTHERN-COMPANY CONTINUED-RESULTS-OF-OPERATIONS-SOUTHERN-COMPANY 62% sale market. Southern Company Gas' reportable segments are gas distribution operations, gas pipeline investments, and gas marketing services. See Note (L) to the Condensed Financial Statements herein…
EXISTING-DEBT-SOUTHERN-COMPANY EXISTING-DEBT-SOUTHERN-COMPANY 62% aterial for Southern Company, the traditional electric operating companies, and Southern Company Gas. Deferred gains and losses related to interest rate derivatives are expected to be amortized into …
FURTHERMORE-SOUTHERN-COMPANY FURTHERMORE-SOUTHERN-COMPANY 62% ices could lead to a consolidation of natural gas producers or reduced levels of natural gas production. Earnings for both the electricity and natural gas businesses are subject to a variety of other…
HOWEVER-SOUTHERN-COMPANY HOWEVER-SOUTHERN-COMPANY 62% Item 8 of the Form 10-K for additional information. Net Loss Attributable to Noncontrolling Interests First Quarter 2026 vs. First Quarter 2025 (change in millions) (% change) $46 71.9 In the first q…
NICOR-GAS-SOUTHERN-COMPANY NICOR-GAS-SOUTHERN-COMPANY 62% ized but is subject to an annual impairment test during the fourth quarter of each year, or more frequently if goodwill impairment indicators exist. 42 Table of Contents Index to Financial Statements…
POWER-GEORGIA-POWER-MISSISSIPPI-POWER-SOUTHERN-P POWER-GEORGIA-POWER-MISSISSIPPI-POWER-SOUTHERN-P 62% Item 8 of the Form 10-K for additional information regarding the construction contract. At March 31, 2026 and December 31, 2025, Southern Company's unregulated distributed generation business had con…
REMAINING-PERFORMANCE-OBLIGATIONS-SOUTHERN-COMPA REMAINING-PERFORMANCE-OBLIGATIONS-SOUTHERN-COMPA 62% Item 8 of the Form 10-K for additional information regarding the construction contract. At March 31, 2026 and December 31, 2025, Southern Company's unregulated distributed generation business had con…
SOUTHERN-COMPANY-SOUTHERN-COMPANY SOUTHERN-COMPANY-SOUTHERN-COMPANY 62% ized but is subject to an annual impairment test during the fourth quarter of each year, or more frequently if goodwill impairment indicators exist. 42 Table of Contents Index to Financial Statements…
THEREFORE-SOUTHERN-COMPANY THEREFORE-SOUTHERN-COMPANY 62% involved in several other complementary businesses including gas pipeline investments and gas marketing services. Southern Company's reportable business segments are the sale of electricity by the tr…
THUS-SOUTHERN-COMPANY THUS-SOUTHERN-COMPANY 62% Item 8 of the Form 10-K for additional information. Net Loss Attributable to Noncontrolling Interests First Quarter 2026 vs. First Quarter 2025 (change in millions) (% change) $46 71.9 In the first q…
VIRGINIA-NATURAL-GAS-VIRGINIA-NATURAL-GAS-INC VIRGINIA-NATURAL-GAS-VIRGINIA-NATURAL-GAS-INC 62% pany owning a portfolio of eight operating wind facilities and wholly owned by Southern Power as of December 31, 2025, was previously in a tax equity arrangement where Southern Power was the controll…

The Southern Company Debt Obligations

InstrumentDescriptionConfidenceEvidence
SO-DEBT Debt stack $1.7B 90% Market cache reports total debt of $1.7B.

The Southern Company Acquisitions

No acquisitions on recordNo completed or pending acquisitions found in our database for The Southern Company.

The Southern Company Ownership

HolderNameConfidenceEvidence
SO-OWNER-VANGUARD-CAPITAL-MANAGEMENT-LLC VANGUARD CAPITAL MANAGEMENT LLC 90% 13F overlay lists VANGUARD CAPITAL MANAGEMENT LLC as top holder; 2357 tracked holders.

The Southern Company Extended Supply Chain Network

TickerNameChain IndexHopsRelationship Types
GPJA Georgia Power Company 5% JR SUB NT 77 100.00 1 ['customer', 'supplier']
LODE Comstock Inc. 100.00 1 ['supplier']
PWR Quanta Services, Inc. 100.00 1 ['supplier']
D Dominion Energy, Inc. 100.00 1 ['customer', 'supplier']
DEC Diversified Energy Company 50.00 2
ES Eversource Energy 50.00 2
ORANY ORANGE 50.00 2
SRE Sempra 50.00 2
AEP American Electric Power Company, Inc. 50.00 2
FE FirstEnergy Corp. 50.00 2
EBBNF Enbridge Inc. 50.00 2
SPRU Spruce Power Holding Corporation 50.00 2
SPGI-WI S&P Global Inc. 50.00 2
NEE NextEra Energy, Inc. 50.00 2
NGGTF National Grid plc 50.00 2
PCG PG&E Corporation 50.00 2
MPC Marathon Petroleum Corporation 50.00 2
SPGI S&P Global Inc. 50.00 2
TRP TC Energy Corporation 50.00 2
XEL Xcel Energy Inc. 50.00 2
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SO
Unlock SO Supply Chain Data
Verified relationships include:
PWRQuanta Services, Inc.Supplier92%
DALTON-PIPELINEDALTON-PIPELINESupplier90%
USGOV-GENERAL-SERVICES-ADMINISTRATIONUSGOV-GENERAL-SERVICES-AD…Customer95%
SOUTHSTARSOUTHSTARCustomer92%
+23 more relationships locked
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