Who are Energy Focus, Inc.'s main suppliers?

Energy Focus, Inc. (EFOI) key suppliers include: SANDER-ELECTRONICS-CO-LTD, WINNER-TECHNOLOGY-INTERNATIONAL-LIMITED. View the full supplier network at chainsifter.com/chain/EFOI.

Who are Energy Focus, Inc.'s major customers?

Energy Focus, Inc. (EFOI) key customers include: USGOV-DEPARTMENT-OF-DEFENSE, USGOV-GENERAL-SERVICES-ADMINISTRATION, EUKA-POWER-JAPAN-CO-LTD, MEIHODO-CO-LTD, ANNUAL-REPORT-OVERVIEW-ENERGY-FOCUS-INC and 7 more. View the full customer network at chainsifter.com/chain/EFOI.

What sector is Energy Focus, Inc. in?

Energy Focus, Inc. (EFOI) operates in the general sector. ChainSifter tracks its verified supply chain relationships including suppliers, customers, and strategic partners.

Energy Focus, Inc. (EFOI) Supply Chain: 17 Verified Relationships

2Suppliers

12Customers

3Debt Items

0Related Chains

Source-Backed Evidence Depth

Energy Focus, Inc. (EFOI) 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

5Distinct source URLs

19High confidence

0.840Average confidence

2026-09-13Latest database update

ChainSifter does not infer unreported suppliers, customers, ownership, acquisitions, debt exposure, revenue dependency, or future supply-chain events on this public page.

Energy Focus, Inc. Suppliers

Ticker	Name	Confidence	Evidence
SANDER-ELECTRONICS-CO-LTD	SANDER-ELECTRONICS-CO-LTD	90%	Sander Electronics Co Ltd represented 8.8% of our total trade accounts payable as of March 31, 2026
WINNER-TECHNOLOGY-INTERNATIONAL-LIMITED	WINNER-TECHNOLOGY-INTERNATIONAL-LIMITED	90%	Winner Technology International Limited represented 80.2% of our total trade accounts payable as of March 31, 2026

Energy Focus, Inc. Customers

Ticker	Name	Confidence	Evidence
USGOV-DEPARTMENT-OF-DEFENSE	USGOV-DEPARTMENT-OF-DEFENSE	95%	USAspending awards from Department of Defense: $326,720 across 7 awards. SPE8E925F0046 8511547269!FIXTURE,LIGHTING; SPE8E925F0019 8511030092!FIXTURE,LIGHTING; SPE8E926F0029 8511794862!FIXTURE,LIGHTIN…
USGOV-GENERAL-SERVICES-ADMINISTRATION	USGOV-GENERAL-SERVICES-ADMINISTRATION	95%	USAspending awards from General Services Administration: $3,212 across 1 awards. 47QSSC25F9P9L LEDFLT8-840-210-301F "MSC" SERIES LAMP - 24" - 4100K \| Qwen corrected direction: Explicit government con…
EUKA-POWER-JAPAN-CO-LTD	EUKA-POWER-JAPAN-CO-LTD	92%	the Company agreed to issue and sell in a private placement an aggregate of 65,789 shares of the Company's common stock, par value $0.0001 per share, for a purchase price per share of $3.80, the clos…
MEIHODO-CO-LTD	MEIHODO-CO-LTD	90%	Energy Focus, Inc. issued a press release announcing its joint investment in an energy storage power plant project located in Asakura, Fukuoka, Japan, together with Meihodo Co., Ltd. and Euka Power J…
ANNUAL-REPORT-OVERVIEW-ENERGY-FOCUS-INC	ANNUAL-REPORT-OVERVIEW-ENERGY-FOCUS-INC	62%	Item 8, “Financial Statements and Supplementary Data,” of this Annual Report. ITEM 4. MINE SAFETY DISCLOSURES Not applicable. 25 Table of Contents PART II ITEM 5. MARKET FOR REGISTRANT’S COMMON EQUIT…
GBQ-PARTNERS-LLC	GBQ-PARTNERS-LLC	62%	s involving, among others, the implications of new or revised operational strategies. Evaluating the reasonableness of management’s assumptions involved (i) comparing historical sales by product, use…
HISTORY-FIBERSTARS-INC	HISTORY-FIBERSTARS-INC	62%	obal presence, particularly in Taiwan and Japan. • Continuing to innovate in LED lighting and controls. • Maintaining financial discipline through cost control and operational efficiency. We believe …
LED-SMART-ENERGY-SOURCE-GROUP-ORION-ENERGY-SYSTE	LED-SMART-ENERGY-SOURCE-GROUP-ORION-ENERGY-SYSTE	62%	vania and GE Lighting, as well as smaller manufacturers or distributors such as LED Smart, Energy Source Group, Orion Energy Systems, and Keystone Technologies. Some of these competitors offer produc…
NATURE-OF-OPERATIONS-ENERGY-FOCUS-INC	NATURE-OF-OPERATIONS-ENERGY-FOCUS-INC	62%	pensation — — 43 — 121 — — 121 Net loss — — — — — — ( 1,027 ) ( 1,027 ) Balance at December 31, 2025 876 $ — 6,306 $ 1 $ 160,035 $ ( 3 ) $ ( 155,924 ) $ 4,109 The accompanying notes are an integral p…
OVERVIEW-ENERGY-FOCUS-INC	OVERVIEW-ENERGY-FOCUS-INC	62%	AND RESULTS OF OPERATIONS The following discussion and analysis of our financial condition and results of operations should be read in conjunction with the financial statements and related notes ther…
SANDER-ELECTRONICS-INC	SANDER-ELECTRONICS-INC	62%	ricing strategy and reassessed key partnerships within the energy-related market. These strategic adjustments have improved our market position, offering a more competitive pricing structure and a st…
STREETERVILLE-CAPITAL-LLC	STREETERVILLE-CAPITAL-LLC	62%	NOTE 6. PREPAID AND OTHER CURRENT ASSETS Prepaid and other current assets consisted of the following (in thousands): At December 31, 2025 2024 Prepaid insurance $ 46 $ 36 Prepaid expenses 62 77 Prepa…

Energy Focus, Inc. Debt Obligations

Instrument	Description	Confidence	Evidence
EFOI-DEBT-9241	Xbrl Convertible	90%	xbrl convertible detail from xbrl 2020-12-31.
EFOI-DEBT	Debt stack $185,000	90%	Market cache reports total debt of $185,000.
EFOI-DEBT-9240	Warrants outstanding: 47000	90%	xbrl warrant detail from xbrl 2022-12-31.

Energy Focus, Inc. Acquisitions

No acquisitions on recordNo completed or pending acquisitions found in our database for Energy Focus, Inc..

Energy Focus, Inc. Ownership

Holder	Name	Confidence	Evidence
EFOI-OWNER-GEODE-CAPITAL-MANAGEMENT-LLC	Geode Capital Management, LLC	95%	13F/ownership overlay lists Geode Capital Management, LLC; shares held 33,332; ownership 0.53%; value $69,663; as of 2025-12-31.
EFOI-OWNER-CIBC-PRIVATE-WEALTH-GROUP-LLC	CIBC Private Wealth Group, LLC	95%	13F/ownership overlay lists CIBC Private Wealth Group, LLC; shares held 236; value $493; as of 2025-12-31.
EFOI-OWNER-BLACKROCK-INC	Blackrock Inc.	95%	13F/ownership overlay lists Blackrock Inc.; shares held 3,296; ownership 0.05%; value $6,888; as of 2025-12-31.
EFOI-OWNER-BANKPLUS-TRUST-DEPARTMENT	Bankplus Trust Department	95%	13F/ownership overlay lists Bankplus Trust Department ; shares held 45; value $94; as of 2025-12-31.
EFOI-OWNER-DRW-SECURITIES-LLC	DRW Securities, LLC	95%	13F/ownership overlay lists DRW Securities, LLC; shares held 16,099; ownership 0.26%; value $33,646; as of 2025-12-31.
EFOI-OWNER-CITIGROUP-INC	Citigroup Inc.	95%	13F/ownership overlay lists Citigroup Inc.; shares held 1,597; ownership 0.03%; value $3,337; as of 2025-12-31.
EFOI-OWNER-MORGAN-STANLEY	Morgan Stanley	95%	13F/ownership overlay lists Morgan Stanley; shares held 463; ownership 0.01%; value $967; as of 2025-12-31.
EFOI-OWNER-VANGUARD-GROUP-INC	Vanguard Group Inc	95%	13F/ownership overlay lists Vanguard Group Inc; shares held 63,077; ownership 1.00%; value $131,830; as of 2025-12-31.
EFOI-OWNER-RENAISSANCE-TECHNOLOGIES-LLC	Renaissance Technologies, LLC	95%	13F/ownership overlay lists Renaissance Technologies, LLC; shares held 11,500; ownership 0.18%; value $24,034; as of 2025-12-31.
EFOI-OWNER-TOWER-RESEARCH-CAPITAL-LLC-TRC	Tower Research Capital LLC (TRC)	95%	13F/ownership overlay lists Tower Research Capital LLC (TRC); shares held 2,949; ownership 0.05%; value $6,163; as of 2025-12-31.

Energy Focus, Inc. Extended Supply Chain Network

No secondary connectionsNo correlated companies found through shared supply chain relationships.

Energy Focus, Inc. Supply Chain