Executive Summary

Western Midstream Partners, LP (WES) exhibits a supply chain with high dependency on a small set of key players, particularly in its supplier and customer base. The company’s financial performance is closely tied to a handful of major customers and suppliers, with several relationships confirmed in SEC filings, suggesting a high degree of operational integration. This concentration poses both risk and opportunity for institutional investors, depending on the stability and pricing power of these key entities.

Supplier Analysis

Top Suppliers by Confidence

Western Midstream’s supply chain is dominated by a small group of high-confidence suppliers, many of which are directly referenced in SEC filings. These suppliers likely play critical roles in financing, operational support, and resource procurement.

  • WELLS-FARGO-BANK-NATIONAL-ASSOCIATION (confidence: 0.90) – Confirmed in SEC filings as a trustee in bond indentures, indicating a key role in capital structure and debt management.
  • COMPUTERSHARE-TRUST-COMPANY-NATIONAL-ASSOCIATION (confidence: 0.90) – Also confirmed in SEC filings, suggesting similar financial and administrative functions.
  • ANADARKO-E-P-ONSHORE-LLC (confidence: 0.90) – Directly mentioned in a Delaware Basin gas gathering agreement, indicating a critical role in upstream resource acquisition and pipeline operations.
  • Crescent Energy Company (CRGY) (confidence: 0.90) – Confirmed as a joint venture partner in a gathering system, suggesting a strategic operational partnership.

Medium Confidence Suppliers

Several suppliers have confidence scores in the 0.72 range, suggesting they are inferred from relationships or third-party data, rather than directly confirmed in SEC filings.

  • Occidental Petroleum Corporation (OXY) (confidence: 0.80) – Confirmed as a supplier, indicating direct involvement in resource supply.
  • Plains GP Holdings, L.P. (PAGP) (confidence: 0.72) – Inferred as a supplier, likely involved in midstream logistics or operational support.
  • Plains All American Pipeline, L.P. (PAA) (confidence: 0.72) – Likely a transportation or logistics partner, though not explicitly confirmed in filings.
  • Targa Resources Corp. (TRGP) (confidence: 0.72) – Appears as both a supplier and customer, suggesting a complex, multi-faceted relationship.
  • The Williams Companies, Inc. (WMB) (confidence: 0.72) – Inferred as a supplier, potentially involved in pipeline or processing operations.
  • EP-PC (confidence: 0.72) – Likely an entity involved in energy processing or pipeline infrastructure.
  • ET-PI (confidence: 0.72) – Inferred as a midstream or logistics entity, possibly linked to Energy Transfer LP (ET).

There is a moderate concentration risk, with a few key suppliers playing central roles, and several inferred suppliers with unclear but potentially significant roles.

Customer Analysis

Top Customers by Confidence

Western Midstream’s customer base is similarly concentrated, with a few key players accounting for a significant portion of its revenue.

  • ONEOK-INC (ONEOK-INC) (confidence: 0.92) – Confirmed as a major customer, with direct pipeline delivery arrangements. This is a critical relationship, indicating strong operational integration.
  • THE-WILLIAMS-COMPANIES-INC (THE-WILLIAMS-COMPANIES-INC) (confidence: 0.92) – Also confirmed as a key customer, suggesting a strategic relationship, possibly involving pipeline or processing services.
  • Occidental Petroleum Corporation (OXY) (confidence: 0.90) – Confirmed as a customer, indicating a direct role in the company’s revenue stream.
  • Crescent Energy Company (CRGY) (confidence: 0.90) – Confirmed as a major customer, with a direct operational link through the Springfield Gathering System.
  • RED-DESERT-COMPLEX (confidence: 0.90) – Confirmed as a customer, with 59% of throughput from top three customers, indicating a stable and concentrated revenue base.

Medium Confidence Customers

Several customers have confidence scores in the 0.72 range, suggesting they are inferred or partially confirmed in filings.

  • Energy Transfer LP (ET) (confidence: 0.72) – Inferred as a customer, likely involved in pipeline transportation or processing.
  • Targa Resources Corp. (TRGP) (confidence: 0.72) – Appears on both supplier and customer lists, suggesting a complex, multi-faceted relationship.
  • EP-PC (confidence: 0.72) – Inferred as a customer, likely involved in pipeline or processing operations.
  • ET-PI (confidence: 0.72) – Inferred as a customer, possibly related to Energy Transfer LP.
  • The Williams Companies, Inc. (WMB) (confidence: 0.72) – Inferred as a customer, possibly linked to pipeline or processing services.

The company's revenue is highly concentrated, with the top five customers accounting for a significant portion of its throughput. This suggests that Western Midstream has limited pricing power and is vulnerable to changes in these key customers’ operations.

Supply Chain Risks

Western Midstream’s supply chain is highly concentrated, with several single-source dependencies and limited diversification in both suppliers and customers. This concentration poses significant risk, particularly if any of these key players face operational, financial, or regulatory challenges.

  • Single-source dependencies: Suppliers like WELLS-FARGO-BANK-NATIONAL-ASSOCIATION and COMPUTERSHARE-TRUST-COMPANY-NATIONAL-ASSOCIATION are critical in the company’s financial structure, as evidenced by their roles in bond indentures. Any disruption in these relationships could impact WES’s ability to access capital.
  • Customer concentration risk: The company’s top five customers account for a large portion of its throughput, as noted in SEC filings. For example, "For the year ended December 31, 2024, Granger complex throughput was from numerous third-party customers, with the three largest customers providing 81% of the throughput." This suggests that the company is highly dependent on a small number of customers, limiting its ability to negotiate favorable terms or diversify revenue streams.
  • Geographic exposure: The company’s operations are likely concentrated in the Permian Basin and other key oil and gas regions, though this is not explicitly stated in the data. SEC filings reference specific facilities such as the Granger and Red Desert complexes, suggesting geographic concentration that may expose the company to regional market fluctuations.

Investor Takeaways

Western Midstream Partners, LP (WES) presents a supply chain that is both operationally integrated and highly concentrated, with significant implications for institutional investors:

  • Margin exposure: The company’s reliance on a small number of suppliers and customers increases its vulnerability to price volatility and operational disruptions. Any changes in these relationships could directly impact WES’s margins.
  • Revenue stability: With the top customers accounting for a large portion of throughput, WES’s revenue is not diversified. This could lead to instability if any of these key customers face financial or operational challenges.
  • Growth potential: The company’s partnerships with major energy players like OXY, CRGY, and WMB suggest potential for growth, particularly if these entities expand their operations. However, this growth is contingent on the stability and continued investment of these key partners.