# Who are Northrop Grumman's customers? Who does Northrop Grumman earn revenue from?
Canonical: https://valuechain.wiki/northrop-grumman · Facet: customers · Updated: 2026-07-12T03:56:29.332+00:00 · Source: ValueChain.wiki (cited money-flow graph)

**Citable summary**: Northrop Grumman's confirmed revenue counterparties include RTX plus 6 undisclosed/aggregate relationships. Per the valuechain.wiki graph: 7 revenue edges, backed by 8 dated sources, 1 of them primary filings (as of 2026-07-12).

### International and allied governments (high)
- metric: Revenue $6B · FY2025 · 10-K geographic sales, international sales
- note: Most non-US-government revenue is international sales to allied foreign governments. International sales were $5,990 million in 2025, about 14% of the total. Foreign Military Sales customers such as South Korea and NATO members are the main international buyers.
- [confirms] SEC EDGAR (EN, filing, published 2026-01-29) https://www.sec.gov/Archives/edgar/data/0001133421/000113342126000003/noc-20251231.htm: "U.S. Government $35,183 ... International $5,990 ... Other $781 ... Total $41,954"

### 대한민국 정부 (한국 공군) (high)
- metric: revenue relationship ₩966B · 2019-2020 · RoKAF procurement of four RQ-4 Global Hawks (FMS)
- note: Under Foreign Military Sales (FMS), Northrop Grumman delivered four RQ-4 Block 30 Global Hawk high-altitude reconnaissance drones to the Republic of Korea Air Force. The first arrived at Sacheon in December 2019 and the fourth in September 2020, completing the fleet, at a total contract value of roughly 966 billion won, followed by FMS logistics support contracts.
- [confirms] Wikipedia (Korean) (KO, research, published 2020-09-30) https://ko.wikipedia.org/wiki/RQ-4_%EA%B8%80%EB%A1%9C%EB%B2%8C_%ED%98%B8%ED%81%AC: "South Korea completed its fleet by purchasing four RQ-4s for 965.9 billion won, from the first unit arriving in December 2019 to the fourth in September 2020."
- [confirms] The Diplomat (EN, news, published 2020-04-23) https://thediplomat.com/2020/04/next-rq-4-global-hawk-drones-arrive-in-south-korea/: "South Korea has taken delivery of additional Northrop Grumman RQ-4 Global Hawk high-altitude, long-endurance reconnaissance drones purchased through the U.S. Foreign Military Sales program."

### U.S. Government (high)
- metric: Revenue share 84% · FY2025 · 10-K customer concentration note, share of sales to the US government
- note: Northrop Grumman's largest customer is the US government, dominated by the Department of Defense. US government sales were 84% of total in 2025, down slightly from 87% in 2024 and 86% in 2023. Flagship programs including the B-21 Raider, the Sentinel ICBM, and Trident II fleet ballistic missile motors are all US government awards.
- [mentions] TradingView News (EN, news, published 2026-01-29) https://www.tradingview.com/news/tradingview:a899e5d48cdbd:0-northrop-grumman-reports-fourth-quarter-and-full-year-2025-financial-results/: "Full-year 2025 sales of $41.95 billion; total backlog of $95.7 billion."
- [confirms] SEC EDGAR (EN, filing, published 2026-01-29) https://www.sec.gov/Archives/edgar/data/0001133421/000113342126000003/noc-20251231.htm: "Our largest customer is the U.S. government. Sales to the U.S. government accounted for 84 percent, 87 percent and 86 percent of sales during the years ended December 31, 2025, 2024 and 2023, respectively."

### NASA (high)
- note: NASA is a key customer of Northrop's Space Systems segment. Under Commercial Resupply Services (CRS) contracts it supplies the ISS with the Cygnus cargo spacecraft, and it provides solid rocket motors for the SLS heavy-lift vehicle and the HALO habitation module for the lunar Gateway. The first Cygnus XL (NG-23) launched in September 2025. Individual contract values are not disclosed.
- [confirms] SEC EDGAR (EN, filing, published 2026-01-29) https://www.sec.gov/Archives/edgar/data/0001133421/000113342126000003/noc-20251231.htm: "Cygnus spacecraft, used in the execution of our Commercial Resupply Services (CRS) contracts with NASA to resupply and re-boost the International Space Station; ... Development and production of solid rocket motors for NASA's Space Launch System (SLS) heavy lift vehicle;"
- [mentions] Spaceflight Now (EN, news, published 2025-09-15) https://spaceflightnow.com/2025/09/15/northrop-grummans-1st-cygnus-xl-spacecraft-launches-on-cargo-run-to-the-space-station/: "Northrop Grumman's first Cygnus XL spacecraft launched on a cargo run to the International Space Station."

### Space Development Agency (high)
- note: The Space Development Agency (SDA) is a key government customer of Northrop's Space Systems, ordering the low-Earth-orbit Tracking and Transport satellite layers. These constellations provide missile warning/tracking and low-latency, high-volume data transport, and are a growth pillar of the Space segment. This is a program-level relationship counted within the 84% US-government concentration.
- [confirms] SEC EDGAR (EN, filing, published 2026-01-29) https://www.sec.gov/Archives/edgar/data/0001133421/000113342126000003/noc-20251231.htm: "Space Development Agency (SDA) Tracking and Transport layers providing missile warning/tracking and resilient, low-latency, high-volume data transport communication systems"

### United Launch Alliance (high)
- note: Northrop Grumman supplies GEM 63 and GEM 63XL solid rocket boosters for ULA's Vulcan and Atlas V launch vehicles. Four GEM 63XL boosters flew on Vulcan's first certified flight (USSF-106) in August 2025, adding nearly two million pounds of thrust. It is a per-vehicle booster supply relationship.
- [confirms] Northrop Grumman (EN, ir, published 2025-08-12) https://news.northropgrumman.com/launch/northrop-grummans-gem-63xl-solid-rocket-boosters-help-power-first-certified-flight-of-ulas-vulcan-rocket: "Four Northrop Grumman 63-inch-diameter extended length Graphite Epoxy Motors (GEM 63XL) delivered nearly two million pounds of thrust to help power the first certified launch of United Launch Alliance's Vulcan rocket and the U.S. Space Force-106 mission."

### RTX (mid)  → /rtx.md
- note: Supplies solid rocket motors to RTX (Raytheon). The US SRM market is a duopoly of L3Harris (Aerojet Rocketdyne) and Northrop Grumman, and Raytheon relies on Northrop as one of its two suppliers to ramp AMRAAM, Sidewinder and other missile production. Individual contract values are not disclosed.
- [confirms] RTX (EN, news, published 2025-06-05) https://www.rtx.com/news/news-center/2025/06/05/rtx-and-northrop-grumman-conduct-successful-rocket-motor-tests-for-u-s-armys-ne: "Northrop Grumman supplies and co-develops solid rocket motors for RTX/Raytheon missiles; here they jointly tested HLG solid rocket motors for the Next-Generation Short-Range Interceptor using Northrop's Allegany Ballistics Laboratory, a source of Northrop revenue from RTX."
- [confirms] Defense One (EN, news, published 2024-07-23) https://www.defenseone.com/business/2024/07/raytheon-hunting-another-us-supplier-solid-rocket-motors/398263/: "RTX currently depends on L3Harris's Aerojet Rocketdyne subsidiary for solid rocket motors alongside Northrop Grumman."

Reverse side: https://valuechain.wiki/northrop-grumman/suppliers.md · Ripple: https://valuechain.wiki/northrop-grumman/ripple.md

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