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AMTX supplier relationships

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AMTX supplier relationship map

Aemetis (AMTX) supplier map: who supplies what, who guarantees risk, and what that means for investors

Aemetis operates as an integrated renewable fuels and biogas company, monetizing through production and sale of ethanol, biodiesel, renewable natural gas (RNG), and low‑carbon fuels while leveraging project sales, tax credits, and offtake economics. The company sources feedstocks and critical equipment from a mix of local agricultural suppliers, specialist process providers, and construction contractors, and it relies on founder‑level guarantees and external investor‑relations firms for funding and market communication. Investors evaluating counterparty exposure should focus on feedstock credit terms, the mix of short‑ vs. long‑term contracts, and the presence of related‑party guarantee fees that concentrate financial risk.

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Quick roll‑call: every supplier and partner cited in filings and press

Below are the supplier and partner relationships documented in Aemetis materials and news releases, each summarized in plain language with a concise source note.

J.D. Heiskell — corn feedstock and working capital provider (FY2024)

Aemetis procures corn for its Keyes Ethanol Plant from J.D. Heiskell and receives one‑day net credit on those purchases; J.D. Heiskell also provides working capital support critical to Keyes operations. According to Aemetis’ 2024 Form 10‑K, title passes when corn is deposited into the weigh bin and credit terms are tight. (Aemetis 10‑K, FY2024)

Praj Industries Ltd. — technology and equipment supplier for low‑carbon system (FY2025)

Praj is supplying the advanced low‑carbon solution and equipment that constitute key components of Aemetis’ California advanced fuels decarbonization project, positioning Praj as a strategic technology vendor. (ChemEngOnline coverage of the Praj–Aemetis project, March 2026)

Centuri Holdings, Inc. (CTRI) — parent of on‑site execution arm (FY2025)

Project execution for the California project is being carried out by NPL Construction Co., a subsidiary of Centuri Holdings, making Centuri the corporate home for onsite construction execution. (ChemEngOnline coverage, March 2026)

PCG Advisory Group — investor relations contact (GlobeNewswire Apr 2025)

Aemetis uses PCG Advisory Group as an external investor‑relations contact; that firm is listed as the point person on a monthly RNG production release. (GlobeNewswire press release, April 8, 2025)

NPL Construction — MVR system contractor and builder (FY2025)

Aemetis signed an agreement with NPL Construction to build a $30 million Mechanical Vapor Recompression (MVR) system projected to materially increase cash flow from operations. The company presents NPL as the contractor for this engineered upgrade. (Aemetis press release via GlobeNewswire, November 6, 2025)

McAfee Capital LLC — related‑party guarantor and guarantee fee (FY2026)

Aemetis’ board approved a $350,000 annual guarantee fee to McAfee Capital LLC, owned by Aemetis’ Chairman and CEO, as compensation for personal guarantees on certain credit facilities and debt obligations—an explicit related‑party financing arrangement. (Press release summary published in The Globe and Mail, January 22, 2026)

PCG Advisory Group — investor relations contact (GlobeNewswire Feb 2026)

A subsequent Aemetis press release again lists PCG Advisory Group as external investor‑relations contact for biodiesel delivery announcements out of India, reinforcing the ongoing IR relationship. (Aemetis press release via GlobeNewswire, February 3, 2026)

What the commercial relationships tell you about Aemetis’ operating model

Aemetis’ supplier network shows a hybrid contracting posture that combines long‑life feedstock commitments at the farm/dairy level with short‑term commodity purchases and project‑level fixed contracts for equipment and construction.

  • Contracting posture and maturity: Company disclosures show long‑term manure/lease agreements (25‑year terms with renewal options) listed as a firm company practice, which supports the long‑horizon RNG business model. Simultaneously, Aemetis runs short‑term forward purchase contracts for energy inputs and uses spot‑based pricing for corn processing, reflecting commodity exposure and operational flexibility. These are company‑level signals from the constraints excerpts.
  • Concentration and criticality: The corn supply and working‑capital support provided by J.D. Heiskell are more than transactional—they materially affect Keyes plant operations and cash flow because title and credit provisions are tight and the vendor extends working capital. That relationship combines feedstock supply with financial support and therefore represents a concentrated operational dependency (explicit in the 10‑K).
  • Maturity and execution risk: Strategic equipment and systems (Praj technology; NPL/ Centuri construction) are single‑project, capital‑intensive engagements intended to raise margins and outputs. Those are critical to the company’s decarbonization roadmap and carry standard execution and schedule risks typical of engineered projects.
  • Related‑party financing risk: The guarantee fee to McAfee Capital LLC is a direct signal that founder guarantees underpin key facilities; this shifts counterparty and governance risk toward related‑party arrangements rather than broad market lenders.

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What investors should watch — risks and upside

  • Feedstock exposure and working capital tightness: The one‑day credit on corn purchases and title transfer mechanics concentrate settlement risk around the Keyes plant; disruptions to J.D. Heiskell’s supply or the working capital arrangement would quickly impact operations.
  • Project execution as growth lever: The NPL Construction MVR contract and Praj equipment supply are the explicit levers Aemetis is using to lift cash flow and decarbonize production; successful delivery converts capital spend into operating cash flow upside.
  • Founder guarantees and governance: The guarantee fee to McAfee Capital LLC formalizes the CEO’s ongoing financial backstop role; this provides access to credit but creates a related‑party cost and governance consideration for institutional holders.
  • Communications and investor relations: Repeated use of PCG Advisory Group for press releases indicates an ongoing external IR arrangement—useful for market access but also a channel through which corporate messages and production milestones are managed.

Bottom line and next step

Aemetis combines commodity‑sourced feedstock exposure with specialist equipment suppliers and contractor execution; short‑term credit terms sit alongside long‑lived manure/feed agreements and founder guarantees. For investors and operators, the immediate priorities are: monitor the J.D. Heiskell working‑capital arrangement, validate milestone delivery from Praj/NPL/Centuri, and assess the governance implications of related‑party guarantee fees.

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