9Suppliers
30Customers
2Debt Items
8Related Chains

Source-Backed Evidence Depth

Spire Inc. (SR) 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.

47Total relationships
8Distinct source URLs
14High confidence
0.716Average confidence
2026-09-14Latest database update
ChainSifter does not infer unreported suppliers, customers, ownership, acquisitions, debt exposure, revenue dependency, or future supply-chain events on this public page.

Spire Inc. Suppliers

TickerNameConfidenceEvidence
BOARDWALK BOARDWALK 92% Spire, entered into an agreement to sell Spire Marketing Inc., to Boardwalk
DELTA-UTILITIES DELTA-UTILITIES 92% Spire entered into an agreement to sell Spire Mississippi Inc., to Delta Utilities
DUKE-ENERGY DUKE-ENERGY 92% On March 31, 2026, Spire, Inc. ('Spire' or the 'Company') filed with the Securities and Exchange Commission (the 'SEC') a Current Report on Form 8‑K (the 'Original Form 8‑K') reporting that the Compa…
DUKE-ENERGY-CORPORATION DUKE-ENERGY-CORPORATION 92% Piedmont, a wholly owned subsidiary of Duke Energy Corporation
PIEDMONT PIEDMONT 92% Spire entered into an Asset Purchase Agreement with Piedmont, a wholly owned subsidiary of Duke Energy Corporation
PIEDMONT-NATURAL-GAS-COMPANY-INC PIEDMONT-NATURAL-GAS-COMPANY-INC 92% The TPUC approved the transfer of utility services from Piedmont to Spire Tennessee.
SPIRE-TENNESSEE-INC SPIRE-TENNESSEE-INC 92% The TPUC approved the transfer of utility services from Piedmont to Spire Tennessee.
SUBTERRA-ENERGY-HOLDINGS-LLC SUBTERRA-ENERGY-HOLDINGS-LLC 92% Spire, entered into an agreement to sell Spire Storage to Subterra Energy Holdings, LLC an affiliate of I Squared Capital
ENERGYSOUTH-INC ENERGYSOUTH-INC 72% a wholly-owned subsidiary of Spire Inc. ("Spire"), entered into a Stock Purchase Agreement with Delta Mississippi Gas Company, LLC, a Delaware limited liability company ("Purchaser"), pursuant to whi…

Spire Inc. Customers

TickerNameConfidenceEvidence
USGOV-DEPARTMENT-OF-THE-TREASURY USGOV-DEPARTMENT-OF-THE-TREASURY 95% USAspending awards from Department of the Treasury: $98,350 across 1 awards. 2033H624P00004 PROVIDE GAS UTILITY FOR KC FACILITY. | Qwen corrected direction: Explicit USAspending awards from Departmen…
BOARDWALK-PIPELINES-LP BOARDWALK-PIPELINES-LP 92% the Seller has agreed to sell to the Purchaser all of the issued and outstanding membership interests of Spire Marketing Inc.
SPIRE-MISSOURI-INC SPIRE-MISSOURI-INC 85% t cash used in financing activities ( 24.9 ) ( 50.6 ) Net Decrease in Cash and Cash Equivalents 0.1 1.8 Cash and Cash Equivalents at Beginning of Period 1.9 1.5 Cash and Cash Equivalents at End of Pe…
DELTA-MISSISSIPPI-GAS-COMPANY-LLC DELTA-MISSISSIPPI-GAS-COMPANY-LLC 72% Delta Mississippi Gas Company, LLC, a Delaware limited liability company ("Purchaser"), pursuant to which the Seller agreed to sell all of the issued and outstanding shares of its wholly owned subsid…
DUK-PA Duke Energy Corporation 72% Reciprocal relationship from DUK-PA graph: Reciprocal relationship from SR graph: 2026, September 30, 2025 , and March 31, 2025 , respectively (in addition to amounts shown as “Cash and cash equivale…
DUK-PA Duke Energy Corporation 72% 2026, September 30, 2025 , and March 31, 2025 , respectively (in addition to amounts shown as “Cash and cash equivalents”). This restricted cash has been segregated and invested in debt securities in…
ALL-SPIRE-STL-PIPELINE-LLC ALL-SPIRE-STL-PIPELINE-LLC 62% ne LLC being the surviving entity. All Spire STL Pipeline LLC transactions are included under Spire MoGas Pipeline. RESTRICTED CASH AND OTHER INVESTMENTS – In Spire’s statement of cash flows , total …
BBB-BA1-SPIRE-INC BBB-BA1-SPIRE-INC 62% and the $37.0 acquisition of Spire Storage Salt Plains. Capital expenditures increased $60.0 in the Gas Utility segment (primarily due to ramp up of meter and other infrastructure upgrades) and $51.0…
BBB-BAA2-SPIRE-INC BBB-BAA2-SPIRE-INC 62% and the $37.0 acquisition of Spire Storage Salt Plains. Capital expenditures increased $60.0 in the Gas Utility segment (primarily due to ramp up of meter and other infrastructure upgrades) and $51.0…
BELLE-BUTTE-LLC BELLE-BUTTE-LLC 62% ant $ 1,829.4 Accounts receivable (net allowance of $ 1.7 ) 65.2 Inventories 7.1 Current regulatory assets 33.4 Other current assets 35.6 Non-current regulatory assets 42.1 Other non-current assets 0…
BLUEROAD-FONTANEL-LLC BLUEROAD-FONTANEL-LLC 62% a Balance Sheets. Financial data related to income and expenses, including gross receipts taxes which are disclosed separately, for the single reportable segment are reported on Spire Alabama’s State…
BP-ENERGY-COMPANY BP-ENERGY-COMPANY 62% ystem’s varying levels of demand. In fiscal 2024, Spire Alabama purchased natural gas from 23 different suppliers to meet current gas sales, storage injection, and liquefied natural gas (LNG) liquefa…
ENABLE-MISSISSIPPI-RIVER-TRANSMISSION-LLC ENABLE-MISSISSIPPI-RIVER-TRANSMISSION-LLC 62% s. Natural gas purchased by Spire Missouri for delivery to its service areas included 40.3 billion cubic feet (Bcf) through the Southern Star Central Gas Pipeline, Inc. (Southern Star) system, 28.1 B…
ENSTOR-GAS-LLC ENSTOR-GAS-LLC 62% atural gas daily to meet peak day demand. Spire Gulf obtains adequate storage capacity through Gulf South Pipeline Company, LP, and Enstor Gas, LLC’s Bay Gas Storage. Regulatory and Environmental Mat…
GULF-SOUTH-PIPELINE-COMPANY GULF-SOUTH-PIPELINE-COMPANY 62% atural gas daily to meet peak day demand. Spire Gulf obtains adequate storage capacity through Gulf South Pipeline Company, LP, and Enstor Gas, LLC’s Bay Gas Storage. Regulatory and Environmental Mat…
MRT-MISSOURI-GAS-PIPELINE-LLC MRT-MISSOURI-GAS-PIPELINE-LLC 62% ri also holds firm transportation arrangements on several other interstate pipeline systems that provide access to gas supplies upstream. Some of Spire Missouri’s commercial and industrial customers …
NEW-YORK-MERCANTILE-EXCHANGE-INC NEW-YORK-MERCANTILE-EXCHANGE-INC 62% e a mandatory gas cost adjustment at the beginning of the winter, in November, and during the next twelve months may make up to three additional discretionary gas cost adjustments, so long as each of…
PANHANDLE-EASTERN-PIPE-LINE-COMPANY PANHANDLE-EASTERN-PIPE-LINE-COMPANY 62% ugh the Panhandle Eastern Pipe Line Company, LP (PEPL) system, and 0.7 Bcf through the Rockies Express Pipeline, LLC (REX) system. Spire Missouri also holds firm transportation arrangements on severa…
PIEDMONT-NATURAL-GAS-CO PIEDMONT-NATURAL-GAS-CO 62% a Balance Sheets. Financial data related to income and expenses, including gross receipts taxes which are disclosed separately, for the single reportable segment are reported on Spire Alabama’s State…
PIEDMONT-NATURAL-GAS-COMPANY PIEDMONT-NATURAL-GAS-COMPANY 62% APSC conducts reviews in March, June and September to determine whether Spire Alabama’s return on average common equity (RCE) at the end of the rate year is projected to be within the allowed range o…
PIEDMONT-NATURAL-GAS-COMPANY-INC PIEDMONT-NATURAL-GAS-COMPANY-INC 62% 2026, September 30, 2025 , and March 31, 2025 , respectively (in addition to amounts shown as “Cash and cash equivalents”). This restricted cash has been segregated and invested in debt securities in…
ROCKIES-EXPRESS-PIPELINE-LLC ROCKIES-EXPRESS-PIPELINE-LLC 62% ugh the Panhandle Eastern Pipe Line Company, LP (PEPL) system, and 0.7 Bcf through the Rockies Express Pipeline, LLC (REX) system. Spire Missouri also holds firm transportation arrangements on severa…
SOUTHERN-NATURAL-GAS-COMPANY SOUTHERN-NATURAL-GAS-COMPANY 62% 0 Bcf of natural gas. This peak day demand was met with natural gas transported to Kansas City through the Southern Star, PEPL, TIGT, and REX transportation systems. Spire Alabama’s distribution syst…
SOUTHERN-STAR-CENTRAL-GAS-PIPELINE-INC SOUTHERN-STAR-CENTRAL-GAS-PIPELINE-INC 62% s. Natural gas purchased by Spire Missouri for delivery to its service areas included 40.3 billion cubic feet (Bcf) through the Southern Star Central Gas Pipeline, Inc. (Southern Star) system, 28.1 B…
SPIRE-ALABAMA-INC SPIRE-ALABAMA-INC 62% t cash used in financing activities ( 24.9 ) ( 50.6 ) Net Decrease in Cash and Cash Equivalents 0.1 1.8 Cash and Cash Equivalents at Beginning of Period 1.9 1.5 Cash and Cash Equivalents at End of Pe…
SPIRE-ENERGYSOUTH-INC SPIRE-ENERGYSOUTH-INC 62% t cash used in financing activities ( 24.9 ) ( 50.6 ) Net Decrease in Cash and Cash Equivalents 0.1 1.8 Cash and Cash Equivalents at Beginning of Period 1.9 1.5 Cash and Cash Equivalents at End of Pe…
SPIRE-MARKETING-INC SPIRE-MARKETING-INC 62% change was primary attributable to the Piedmont Tennessee Transaction. Total capital expenditures were $84.2 lower than last year, with a $10.9 spending decrease in the Utilities, and approximately $…
SPIRE-MISSISSIPPI-DISPOSAL-GROUP SPIRE-MISSISSIPPI-DISPOSAL-GROUP 62% in millions) Spire Mississippi Disposal Group ASSETS Utility Plant $ 94.9 Less – Accumulated depreciation and amortization ( 32.5 ) Net Utility Plant 62.4 Accounts receivable (net of $ 0.1 allowance)…
SPIRE-MISSISSIPPI-INC SPIRE-MISSISSIPPI-INC 62% e Storage. On April 14, 2026, Spire, entered into an agreement to sell Spire Storage to Subterra Energy Holdings, LLC an affiliate of I Squared Capital. The transaction provides for total considerati…
SPIRE-MOGAS-PIPELINE-LLC SPIRE-MOGAS-PIPELINE-LLC 62% ss held for sale, and an estimate of costs from corporate functions dedicated to the business, but excludes corporate expenses composed of general and administrative expenses not attributable to any …

Spire Inc. Debt Obligations

InstrumentDescriptionConfidenceEvidence
SR-DEBT Debt stack $8.0B 90% Market cache reports total debt of $8.0B.
SR-DEBT-12729 Xbrl Convertible 90% xbrl convertible detail from xbrl 2014-06-11.

Spire Inc. Acquisitions

No acquisitions on recordNo completed or pending acquisitions found in our database for Spire Inc..

Spire Inc. Ownership

HolderNameConfidenceEvidence
SR-OWNER-BLACKROCK-INC BlackRock, Inc. 90% 13F overlay lists BlackRock, Inc. as top holder; 403 tracked holders.

Spire Inc. Extended Supply Chain Network

TickerNameChain IndexHopsRelationship Types
DUK-PA Duke Energy Corporation 100.00 1 ['customer']
DUK Duke Energy Corporation 50.00 2
PWR Quanta Services, Inc. 50.00 2
HNRG Hallador Energy Company 50.00 2
LNT Alliant Energy Corporation 50.00 2
NI NiSource Inc. 50.00 2
D Dominion Energy, Inc. 50.00 2
PNW Pinnacle West Capital Corporation 50.00 2
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SR
Unlock SR Supply Chain Data
Verified relationships include:
BOARDWALKBOARDWALKSupplier92%
DELTA-UTILITIESDELTA-UTILITIESSupplier92%
USGOV-DEPARTMENT-OF-THE-TREASURYUSGOV-DEPARTMENT-OF-THE-T…Customer95%
BOARDWALK-PIPELINES-LPBOARDWALK-PIPELINES-LPCustomer92%
+38 more relationships locked
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