6Suppliers
30Customers
2Debt Items
20Related Chains

Source-Backed Evidence Depth

ESS Tech, Inc. (GWH) 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.

39Total relationships
2Distinct source URLs
17High confidence
0.749Average 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.

ESS Tech, Inc. Suppliers

TickerNameConfidenceEvidence
UOP UOP 92% On September 21, 2023, the Company and UOP also entered into a Master Supply Agreement (the “Supply Agreement”), pursuant to which UOP may purchase equipment supplied by the Company.
ALSYM-ENERGY ALSYM-ENERGY 85% Signed a letter of intent for a strategic partnership with Alsym Energy, a pioneer in non-flammable, high performance sodium-ion batteries
VOLTSTORAGE-GMBH VOLTSTORAGE-GMBH 80% Our acquisition of VoltStorage GmbH's assets has strengthened and expanded our intellectual property base and technology platform
CYATY CONTEMPORARY AMPEREX TECHNOLOGY 72% Reciprocal relationship from CYATY graph: Reciprocal relationship from GWH graph: Reciprocal relationship from CYATY graph: Reciprocal relationship from GWH graph: Reciprocal relationship from CYATY …
EOSE Eos Energy Enterprises, Inc. 72% Reciprocal relationship from EOSE graph: Reciprocal relationship from GWH graph: Reciprocal relationship from EOSE graph: Reciprocal relationship from GWH graph: Reciprocal relationship from EOSE gra…
HON Honeywell International Inc. 72% Reciprocal relationship from HON graph: Reciprocal relationship from GWH graph: Reciprocal relationship from HON graph: Reciprocal relationship from GWH graph: Reciprocal relationship from HON graph:…

ESS Tech, Inc. Customers

TickerNameConfidenceEvidence
CONCURRENT-TECHNOLOGIES-CORPORATION CONCURRENT-TECHNOLOGIES-CORPORATION 90% were awarded a $9.9 million contract with Concurrent Technologies Corporation ("CTC") and the United States Air Force Research Laboratory ("AFRL")
GOOG Alphabet Inc. 90% Reciprocal relationship from GOOG graph: Reciprocal relationship from GWH graph: Reciprocal relationship from GOOG graph: Reciprocal relationship from GWH graph: Announced a collaboration framework w…
GOOG Alphabet Inc. 90% Announced a collaboration framework with Salt River Project and Google for Project New Horizon
SALT-RIVER-PROJECT SALT-RIVER-PROJECT 90% Announced a collaboration framework with Salt River Project and Google for Project New Horizon
TURLOCK-IRRIGATION-DISTRICT TURLOCK-IRRIGATION-DISTRICT 90% Successfully commissioned two ESS Iron Flow battery systems at Turlock Irrigation District ("TID") in California's Central Valley
UNITED-STATES-AIR-FORCE-RESEARCH-LABORATORY UNITED-STATES-AIR-FORCE-RESEARCH-LABORATORY 90% were awarded a $9.9 million contract with Concurrent Technologies Corporation ("CTC") and the United States Air Force Research Laboratory ("AFRL")
CSA-GROUP CSA-GROUP 85% tial future international expansion efforts that we may undertake may not be successful. Our customers may be required to obtain environmental, health and safety or other certifications in order to i…
HON Honeywell International Inc. 85% Reciprocal relationship from HON graph: Reciprocal relationship from GWH graph: ased on specific review of the underlying assets. 5. INTANGIBLE ASSETS, NET In September 2023, the Company acquired pat…
HON Honeywell International Inc. 85% ased on specific review of the underlying assets. 5. INTANGIBLE ASSETS, NET In September 2023, the Company acquired patent rights valued at $ 5.0 million under a Patent License Agreement with UOP LLC…
UOP-LLC UOP-LLC 85% ased on specific review of the underlying assets. 5. INTANGIBLE ASSETS, NET In September 2023, the Company acquired patent rights valued at $ 5.0 million under a Patent License Agreement with UOP LLC…
BURBANK-WATER-AND-POWER BURBANK-WATER-AND-POWER 80% the final report issued in connection with Burbank Water and Power for the American Public Power Association
CYATY CONTEMPORARY AMPEREX TECHNOLOGY 72% Reciprocal relationship from CYATY graph: Reciprocal relationship from GWH graph: these end-customers involve risks that may not be present (or that are present to a lesser extent) with sales to smal…
CYATY CONTEMPORARY AMPEREX TECHNOLOGY 72% these end-customers involve risks that may not be present (or that are present to a lesser extent) with sales to smaller customers. These risks include, but are not limited to, (i) increased purchasi…
EOSE Eos Energy Enterprises, Inc. 72% these end-customers involve risks that may not be present (or that are present to a lesser extent) with sales to smaller customers. These risks include, but are not limited to, (i) increased purchasi…
EOSE Eos Energy Enterprises, Inc. 72% Reciprocal relationship from EOSE graph: Reciprocal relationship from GWH graph: Reciprocal relationship from EOSE graph: Reciprocal relationship from GWH graph: these end-customers involve risks tha…
ACON-S2-ACQUISITION-CORP ACON-S2-ACQUISITION-CORP 62% ring the period for: Operating leases included in cash used in operating activities $ 531 $ 438 Interest 341 — Non-cash investing and financing transactions: Purchase of property and equipment includ…
BMO-CAPITAL-MARKETS-CORP-CANACCORD-GENUITY-LLC BMO-CAPITAL-MARKETS-CORP-CANACCORD-GENUITY-LLC 62% agreement. The letter of credit is in effect until the date on which the warranty period under the agreement expires, which is anticipated to be more than a year from the balance sheet date. As of Ma…
CO-INCORPORATED CO-INCORPORATED 62% e to be borrowed for equipment financing and the balance will be used to finance an exposure fee and transaction expenses. The loan facility has a maturity date of June 30, 2031. Half of the proceeds…
COMPANY-INCORPORATED COMPANY-INCORPORATED 62% agreement. The letter of credit is in effect until the date on which the warranty period under the agreement expires, which is anticipated to be more than a year from the balance sheet date. As of Ma…
COMPANY-LLC COMPANY-LLC 62% agreement. The letter of credit is in effect until the date on which the warranty period under the agreement expires, which is anticipated to be more than a year from the balance sheet date. As of Ma…
CONTEMPORARY-AMPEREX-TECHNOLOGY-CO-LIMITED-LG-CH CONTEMPORARY-AMPEREX-TECHNOLOGY-CO-LIMITED-LG-CH 62% these end-customers involve risks that may not be present (or that are present to a lesser extent) with sales to smaller customers. These risks include, but are not limited to, (i) increased purchasi…
ENERGY-DOME-ENERGY-VAULT-ENEROX-GMBH ENERGY-DOME-ENERGY-VAULT-ENEROX-GMBH 62% these end-customers involve risks that may not be present (or that are present to a lesser extent) with sales to smaller customers. These risks include, but are not limited to, (i) increased purchasi…
ENERVENUE-INC-INVINITY-ENERGY-SYSTEMS-CELLCUBE-C ENERVENUE-INC-INVINITY-ENERGY-SYSTEMS-CELLCUBE-C 62% these end-customers involve risks that may not be present (or that are present to a lesser extent) with sales to smaller customers. These risks include, but are not limited to, (i) increased purchasi…
HONEYWELL-ACS-VENTURES-LLC HONEYWELL-ACS-VENTURES-LLC 62% chase Agreement On July 9, 2025, the Company entered into a Standby Equity Purchase Agreement (“SEPA”) with YA II PN, LTD. (the “Investor”), pursuant to which and subject to the satisfaction of certa…
PROJECT-NEW-HORIZON-LLC PROJECT-NEW-HORIZON-LLC 62% ring the period for: Operating leases included in cash used in operating activities $ 531 $ 438 Interest 341 — Non-cash investing and financing transactions: Purchase of property and equipment includ…
SAMSUNG-ELECTRONICS-CO-LTD-SUNGROW-POWER-SUPPLY- SAMSUNG-ELECTRONICS-CO-LTD-SUNGROW-POWER-SUPPLY- 62% these end-customers involve risks that may not be present (or that are present to a lesser extent) with sales to smaller customers. These risks include, but are not limited to, (i) increased purchasi…
SOFTBANK-GROUP-CORP SOFTBANK-GROUP-CORP 62% e part or all of your investment. References to “we,” “our,” or “us” generally refer to ESS, unless otherwise specified. Summary Risk Factors Our business is subject to numerous risks and uncertainti…
YA-II-PN-LTD YA-II-PN-LTD 62% urchase the stack assembly line used to build power module stacks for the Company’s products, including Energy Base, for a purchase price of $ 10.5 million (comprised of $ 4.0 million in cash and $ 6…
YORKVILLE-SECURITIES-BMO-CAPITAL-MARKETS-CORP YORKVILLE-SECURITIES-BMO-CAPITAL-MARKETS-CORP 62% chase Agreement On July 9, 2025, the Company entered into a Standby Equity Purchase Agreement (“SEPA”) with YA II PN, LTD. (the “Investor”), pursuant to which and subject to the satisfaction of certa…
YORKVILLE-SECURITIES-LLC YORKVILLE-SECURITIES-LLC 62% agreement. The letter of credit is in effect until the date on which the warranty period under the agreement expires, which is anticipated to be more than a year from the balance sheet date. As of Ma…

ESS Tech, Inc. Debt Obligations

InstrumentDescriptionConfidenceEvidence
GWH-DEBT-9954 Warrants outstanding: 11.5 90% xbrl warrant detail from xbrl 2025-12-31.
GWH-DEBT Debt stack $21.5M 90% Market cache reports total debt of $21.5M.

ESS Tech, Inc. Acquisitions

No acquisitions on recordNo completed or pending acquisitions found in our database for ESS Tech, Inc..

ESS Tech, Inc. Ownership

HolderNameConfidenceEvidence
GWH-OWNER-BARCLAYS-PLC BARCLAYS PLC 90% 13F overlay lists BARCLAYS PLC as top holder; 2 tracked holders.

ESS Tech, Inc. Extended Supply Chain Network

TickerNameChain IndexHopsRelationship Types
SPGI S&P Global Inc. 100.00 2
REZI Resideo Technologies, Inc. 100.00 2
MMM 3M Company 100.00 2
ASIX AdvanSix Inc. 100.00 2
ROK Rockwell Automation, Inc. 100.00 2
VFS VinFast Auto Ltd. 100.00 2
TATT TAT Technologies Ltd. 100.00 2
STI Solidion Technology, Inc. 100.00 2
BRC Brady Corporation 100.00 2
EMBJ Embraer S.A. 100.00 2
CYATY CONTEMPORARY AMPEREX TECHNOLOGY 100.00 1 ['customer', 'supplier']
MSA MSA Safety Incorporated 100.00 2
ALRM Alarm.com Holdings, Inc. 100.00 2
RTX RTX Corporation 100.00 2
EOSE Eos Energy Enterprises, Inc. 100.00 1 ['customer', 'supplier']
GOOG Alphabet Inc. 100.00 1 ['customer']
HON Honeywell International Inc. 100.00 1 ['customer', 'supplier']
LGCB Linkage Global Inc 100.00 2
EPOW E-Power Inc. 100.00 2
SOLS Solstice Advanced Materials, Inc. 100.00 2
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GWH
Unlock GWH Supply Chain Data
Verified relationships include:
UOPUOPSupplier92%
ALSYM-ENERGYALSYM-ENERGYSupplier85%
CONCURRENT-TECHNOLOGIES-CORPORATIONCONCURRENT-TECHNOLOGIES-C…Customer90%
GOOGAlphabet Inc.Customer90%
+35 more relationships locked
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