Who are Montauk Renewables, Inc.'s main suppliers?

Montauk Renewables, Inc. (MNTK) key suppliers include: Clean Energy Fuels Corp., Clean Energy Fuels Corp.. View the full supplier network at chainsifter.com/chain/MNTK.

Who are Montauk Renewables, Inc.'s major customers?

Montauk Renewables, Inc. (MNTK) key customers include: GE-WARREN, VALERO, Exxon Mobil Corporation, Exxon Mobil Corporation, EXXON and 10 more. View the full customer network at chainsifter.com/chain/MNTK.

What sector is Montauk Renewables, Inc. in?

Montauk Renewables, Inc. (MNTK) operates in the general sector. ChainSifter tracks its verified supply chain relationships including suppliers, customers, and strategic partners.

Montauk Renewables, Inc. (MNTK) Supply Chain: 18 Verified Relationships

2Suppliers

15Customers

1Debt Items

20Related Chains

Source-Backed Evidence Depth

Montauk Renewables, Inc. (MNTK) 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.

19Total relationships

3Distinct source URLs

8High confidence

0.772Average 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.

Montauk Renewables, Inc. Suppliers

Ticker	Name	Confidence	Evidence
CLNE	Clean Energy Fuels Corp.	72%	Cs, the City of Anaheim represented approximately 9.3% of our operating revenues in 2024. These sales occurred under a PPA between us and the City of Anaheim, in which electricity and RECs are sold a…
CLNE	Clean Energy Fuels Corp.	72%	Reciprocal relationship from CLNE graph: Reciprocal relationship from MNTK graph: Reciprocal relationship from CLNE graph: Reciprocal relationship from MNTK graph: Reciprocal relationship from CLNE g…

Montauk Renewables, Inc. Customers

Ticker	Name	Confidence	Evidence
GE-WARREN	GE-WARREN	95%	In 2024, RIN sales to Valero, GE Warren, ExxonMobil and Mercuria represented approximately 17.6%, 15.7%, 13.8 and 11.8%, respectively, of our operating revenue.
VALERO	VALERO	95%	In 2025, RIN sales to Valero and ExxonMobil represented approximately 17.4% and 11.3%, respectively, of our operating revenue.
XOM	Exxon Mobil Corporation	95%	Reciprocal relationship from XOM graph: Reciprocal relationship from MNTK graph: In 2025, RIN sales to Valero and ExxonMobil represented approximately 17.4% and 11.3%, respectively, of our operating …
XOM	Exxon Mobil Corporation	95%	In 2025, RIN sales to Valero and ExxonMobil represented approximately 17.4% and 11.3%, respectively, of our operating revenue.
EXXON	EXXON	92%	Valero and Exxon represented approximately 17.4% and 11.3%, respectively, of our operating revenues in 2025 from the sale of Environmental Attributes.
MERCURIA	MERCURIA	92%	In 2024, RIN sales to Valero, GE Warren, ExxonMobil and Mercuria represented approximately 17.6%, 15.7%, 13.8 and 11.8%, respectively, of our operating revenue.
CLNE	Clean Energy Fuels Corp.	72%	Cs, the City of Anaheim represented approximately 9.3% of our operating revenues in 2024. These sales occurred under a PPA between us and the City of Anaheim, in which electricity and RECs are sold a…
CLNE	Clean Energy Fuels Corp.	72%	Reciprocal relationship from CLNE graph: Reciprocal relationship from MNTK graph: Reciprocal relationship from CLNE graph: Reciprocal relationship from MNTK graph: Reciprocal relationship from CLNE g…
CAPITAL-RESOURCES	CAPITAL-RESOURCES	62%	nd proactive maintenance, project level utility charges, rent, health and safety, employee communication, and other general project level expenses. Unanticipated feedstock processing or gas condition…
EMERGING-GROWTH-COMPANY	EMERGING-GROWTH-COMPANY	62%	We evaluate our deferred tax assets at reporting periods on a jurisdictional basis to determine whether adjustments to the valuation allowance are appropriate considering changes in facts or circumst…
GREENWAVE-ENERGY-PARTNERS-LLC	GREENWAVE-ENERGY-PARTNERS-LLC	62%	5. We have entered into commitments to transfer approximately 2,500 RINs generated and available for sale from 2026 RNG production. The average D3 RIN index price for the fourth quarter of 2025 and J…
OPAL-FUELS-U-S-GAIN-BRIGHTMARK-GEVO-INC	OPAL-FUELS-U-S-GAIN-BRIGHTMARK-GEVO-INC	62%	ECs, the City of Anaheim represented approximately 9.3% of our operating revenues in 2025. These sales occurred under a PPA between us and the City of Anaheim, in which electricity and RECs are sold …
PESTA-ENERGY-LLC	PESTA-ENERGY-LLC	62%	5. We have entered into commitments to transfer approximately 2,500 RINs generated and available for sale from 2026 RNG production. The average D3 RIN index price for the fourth quarter of 2025 and J…
PIONEER-RENEWABLE-ENERGY-MARKETING-LLC	PIONEER-RENEWABLE-ENERGY-MARKETING-LLC	62%	d over time Total Major goods/Service line: Natural gas commodity $ — $ 35,039 $ 35,039 Natural gas environmental attributes 122,463 — 122,463 Electric commodity — 10,648 10,648 Electric environmenta…
PIONEER-RENEWABLES-ENERGY-MARKETING-LLC	PIONEER-RENEWABLES-ENERGY-MARKETING-LLC	62%	5. We have entered into commitments to transfer approximately 2,500 RINs generated and available for sale from 2026 RNG production. The average D3 RIN index price for the fourth quarter of 2025 and J…

Montauk Renewables, Inc. Debt Obligations

Instrument	Description	Confidence	Evidence
MNTK-DEBT	Debt stack $152.6M	90%	Market cache reports total debt of $152.6M.

Montauk Renewables, Inc. Acquisitions

No acquisitions on recordNo completed or pending acquisitions found in our database for Montauk Renewables, Inc..

Montauk Renewables, Inc. Ownership

Holder	Name	Confidence	Evidence
MNTK-OWNER-VANGUARD-CAPITAL-MANAGEMENT-LLC	VANGUARD CAPITAL MANAGEMENT LLC	90%	13F overlay lists VANGUARD CAPITAL MANAGEMENT LLC as top holder; 94 tracked holders.

Montauk Renewables, Inc. Extended Supply Chain Network

Ticker	Name	Chain Index	Hops	Relationship Types
FCEL	FuelCell Energy, Inc.	100.00	2
EMN	Eastman Chemical Company	100.00	2
CVI	CVR Energy, Inc.	100.00	2
CVX	Chevron Corporation	100.00	2
LDTCF	LeddarTech Holdings Inc.	100.00	2
CRT	Cross Timbers Royalty Trust	100.00	2
TALO	Talos Energy Inc.	100.00	2
IMO	Imperial Oil Limited	100.00	2
VALERO	VALERO	65.55	1	['receiving']
XOM	Exxon Mobil Corporation	65.55	1	['customer']
EXXON	EXXON	63.48	1	['receiving']
TTI	TETRA Technologies, Inc.	50.00	2
AMZN	Amazon.com, Inc.	50.00	2
CLMT	Calumet, Inc.	50.00	2
GEVO	Gevo, Inc.	50.00	2
TEN	Tsakos Energy Navigation Limited	50.00	2
ECTM	ECA Marcellus Trust I	50.00	2
DMLP	Dorchester Minerals, L.P.	50.00	2
ORANY	ORANGE	50.00	2
HESM	Hess Midstream LP	50.00	2

Montauk Renewables, Inc. Supply Chain