No Customer Worth Naming, in a Hundred CountriesWide moat

ExxonMobil (XOM) — moat facet

Perfect diversification, and it is the consequence of having no pricing power rather than evidence of a moat.

ExxonMobil operates or markets products in the United States and most other countries of the world1, and its annual report contains no table of significant customers. That absence is the whole of this page, and it cuts in two directions that are usually confused with each other.

Sales and other operating revenue by geography, 2025Non-US $186,266m — 58%United States $137,639m — 42%Canada, at $27,363m, is the only country ExxonMobil discloses separately.
The only disclosure driven by materiality of operations, because no customer relationship is material.

The protective direction is real. The most extreme concentrations in this collection are genuine risks: CoreWeave at about sixty-seven per cent of revenue from a single customer2, Nvidia at twenty-two and fourteen per cent from two direct buyers3, Kioxia naming Apple at 20.4 per cent4, Marvell disclosing a distributor at thirty-seven per cent5. Each of those companies has a counterparty whose decision would reset its income statement. ExxonMobil does not. A refinery that loses a customer sells the cargo to somebody else the same week.

The other direction is the one that decides the rating. The reason nobody buys ten per cent of ExxonMobil's output is that nobody needs to make a relationship out of it. Crude, diesel, jet fuel and polyethylene are graded commodities with published prices; a buyer switching supplier does not change its product, its cost or its operations. There is no switching cost, no qualification period, no integration, and therefore no loyalty to lose or to defend.

The geography of the revenue shows how diffuse it is. United States $137,639 million, non-US $186,266 million, with Canada the only country ExxonMobil discloses separately at $27,363 million6. Even that is disclosure driven by materiality of operations rather than by a customer relationship.

Where something closer to a customer relationship does exist, it is in the differentiated corner: Specialty Products, where a lubricant is specified by an engine manufacturer and formulated into somebody's product, and where the segment earns 35.4 per cent on capital7. That is the exception that identifies the rule.

The figure that proves the point is the one that is not printed: no customer above ten per cent, in a company selling $323,905 million a year8. It is a genuinely strong position against counterparty risk and it confers no pricing power whatever.

Moat trajectory: Holding steady

The absence of concentration is structural rather than earned, and it does not move. What would change it is ExxonMobil selling materially more product that a customer cannot substitute — which is what Specialty Products is, at five and a half per cent of revenue.

The number that tests this moat
Reported
Geographic revenue split
$137,639 million US, $186,266 million non-US

Canada is the only country ExxonMobil discloses separately, at $27,363 million, and that is driven by the materiality of operations rather than by any customer. Where a customer relationship genuinely exists is Specialty Products, at five and a half per cent of revenue and 35.4 per cent on capital.

Source: Exxon Mobil Corporation Form 10-K, fiscal year 2025 ↗
References
  1. ReportedExxonMobil operates or markets products in the United States and most other countries of the world, and its annual report contains no table of significant customers.
    Exxon Mobil Corporation Form 10-K for FY2025, Items 1 and 2 — Business and Properties: oil and gas production and reserves tables, wells drilling, the review of principal ongoing activities by region (United States, Canada/Other Americas incl. Guyana and Brazil, Europe, Africa, Asia, Australia/Oceania), lease and production-sharing terms including the Guyana Petroleum Activities Act 2023, employees, and the list of lower-emission and new business opportunities. — FY2025 · publ. February 2026 · source ↗
  2. ReportedThe most extreme concentrations in this collection are genuine risks: CoreWeave at about sixty-seven per cent of revenue from a single customer, Nvidia at twenty-two and fourteen per cent from two direct buyers, Kioxia naming Apple at 20.4 per cent, Marvell disclosing a distributor at thirty-seven per cent.
    CoreWeave Form 10-K, fiscal 2025 — revenue $5.13B (+168%), net loss ~−$1.2B; customer concentration disclosed (largest customer ~2/3 of revenue) — FY2025 · publ. early 2026 · source ↗
  3. ReportedThe most extreme concentrations in this collection are genuine risks: CoreWeave at about sixty-seven per cent of revenue from a single customer, Nvidia at twenty-two and fourteen per cent from two direct buyers, Kioxia naming Apple at 20.4 per cent, Marvell disclosing a distributor at thirty-seven per cent.
    NVIDIA Form 10-K, FY2026 — "For fiscal year 2026, sales to one direct customer represented 22% of total revenue and sales to another direct customer represented 14% of total revenue"; FY2025: one at 12% and two at 11% each; FY2024: one at 13%. Direct customers include OEMs, ODMs, distributors and system integrators; indirect customers (CSPs, Neocloud builders, AI model makers, enterprises, public sector) buy through them, and NVIDIA "estimate[s] some individually representing 10% or more of our revenue". "Our revenue is concentrated among a limited number of direct and indirect customers and this trend may continue." — FY2026 (ended Jan 25, 2026) · publ. February 2026 · source ↗
  4. ReportedThe most extreme concentrations in this collection are genuine risks: CoreWeave at about sixty-seven per cent of revenue from a single customer, Nvidia at twenty-two and fourteen per cent from two direct buyers, Kioxia naming Apple at 20.4 per cent, Marvell disclosing a distributor at thirty-seven per cent.
    Kioxia Holdings Corporation, Annual Securities Report for the year from 1 April 2025 to 31 March 2026 (8th Period) — revenue ¥2,337,628M against ¥1,706,460M, gross profit ¥1,012,904M, operating profit ¥869,013M, profit for the year ¥554,490M; research and development cost ¥141,052M against ¥132,798M; purchases of property, plant and equipment ¥281,062M against ¥223,847M; operating cash flow ¥616,540M; proceeds from government grants ¥56,396M against ¥43,748M, from an approved ceiling of ¥150.0bn for flash production at the Yokkaichi and Kitakami plants with about ¥31.8bn not yet received. Revenue by application: SSD & Storage ¥1,362,638M, Smart Devices ¥759,978M, Other ¥215,012M — 'Other' including retail products and sales to the Sandisk group recorded through the three manufacturing joint ventures. Revenue by geography: Japan ¥263,252M, North America and Europe ¥1,217,643M, Asia ¥856,733M, with the United States ¥1,098,832M, China ¥381,857M and Taiwan ¥300,932M. Non-current assets: Japan ¥1,658,950M, North America and Europe ¥1,986M, Asia ¥6,298M. Major customers: Apple group ¥476,014M (20.4%), with the Sandisk and Dell groups omitted for the year as each fell below 10% of sales. Flash Partners Ltd., Flash Alliance Ltd. and Flash Forward LLC are accounted for as joint operations with 50.1% of the voting rights and equal decision-making rights shared with Sandisk. Net interest-bearing debt ¥552,085M against equity of ¥1,398,929M — a net debt-to-equity ratio of 0.39 times, from ¥931,035M against ¥737,565M and 1.26 times a year earlier; USD-denominated senior notes at 6.25% (2030) and 6.625% (2033); goodwill of ¥395,585M from the 1 June 2018 acquisition of the former Toshiba Memory Corporation. Bain Capital funds indirectly hold 21.87% and Toshiba Corporation 17.59% of outstanding common shares, both having sold substantial holdings during the year. Risk factors state that the Yokkaichi Plant is located in an area with a high risk of earthquakes and floods and the Kitakami Plant in an area severely damaged by the 2011 Tohoku Earthquake, and name US-China trade frictions and US tariff policy among factors that may materially affect the business. The company does not provide plans or progress reports for the overall fiscal year. — year to 31 March 2026 · publ. 2026-06 · source ↗
  5. ReportedThe most extreme concentrations in this collection are genuine risks: CoreWeave at about sixty-seven per cent of revenue from a single customer, Nvidia at twenty-two and fourteen per cent from two direct buyers, Kioxia naming Apple at 20.4 per cent, Marvell disclosing a distributor at thirty-seven per cent.
    Marvell Form 10-K, FY2026 — customer concentration: ten largest customers 82% of total net revenue; two customers above 10% (Direct Customer A 14%, up from 13%; Distributor A 37%, up from 34% and 24%); accounts receivable concentrated with four customers at 73% of gross receivables (72% prior year); net revenue by customer type direct $4,630.4M (57%) and distributors $3,564.2M (43%) — FY2026 (ended January 31, 2026) · publ. March 11, 2026 · source ↗
  6. ReportedUnited States $137,639 million, non-US $186,266 million, with Canada the only country ExxonMobil discloses separately at $27,363 million.
    Exxon Mobil Corporation Form 10-K for FY2025, notes to the consolidated financial statements — Note 3 Disclosures about Segments and Related Information (segment revenue, intersegment revenue, segment income, additions to property plant and equipment, total assets, geographic revenue and the revenue-from-contracts disaggregation), Note 7 Litigation and Other Contingencies, and Note 20 Mergers and Acquisitions covering Pioneer Natural Resources and Denbury. — FY2025 · publ. February 2026 · source ↗
  7. ReportedWhere something closer to a customer relationship does exist, it is in the differentiated corner: Specialty Products, where a lubricant is specified by an engine manufacturer and formulated into somebody's product, and where the segment earns 35.4 per cent on capital.
    Exxon Mobil Corporation Form 10-K for FY2025, Business Profile (Financial) — earnings after income taxes, average capital employed, return on average capital employed and cash capital expenditures for each segment and geography, and the corporate total. — FY2025 · publ. February 2026 · source ↗
  8. ReportedThe figure that proves the point is the one that is not printed: no customer above ten per cent, in a company selling $323,905 million a year.
    Exxon Mobil Corporation Form 10-K for FY2025, consolidated financial statements — statement of income, balance sheet, statement of cash flows and statement of changes in equity including the common stock share activity table. — FY2025 · publ. February 2026 · source ↗
Sources
Generated September 23, 2026