Which product or service code accounts for the most federal spending in FY2025?

Aircraft, Fixed Wing, with $42.3B in FY2025.

How is a PSC different from a NAICS code?

PSC says what the government bought; NAICS says what industry sold it. A single purchase carries both, and they answer different questions.

Where does this ranking come from?

It is computed from USASpending.gov award records, which are U.S. government works and in the public domain. Each figure is the FY2025 dollars coded to that product or service code. TheFiscalFinder does the ranking; the underlying figures are the government's own.

How many codes are shown?

The top 100 for FY2025. Each row opens that code's own page, where the same money is broken out by year, by counterparty and by place.

Does a high position mean anything is wrong?

No. This is a description of where public money went in FY2025, computed from public records. It is not an allegation about anyone on it.

Top product and service codes by federal dollars: FY2025

≈ computed · PSC

FY2025 · complete year · data as of 2026-09-01

Aircraft, Fixed Wing accounted for more federal purchasing than any other product or service code in FY2025: $42.3B. Product and Service Codes describe WHAT was bought — a specific aircraft, a category of research, a kind of professional service — where NAICS describes the industry that supplies it. Computed

Ranked from USASpending records. FY2020 to FY2026 are loaded. Rank vs FY2024 is each name's change in position from FY2024; a dash means the name was not in FY2024's data.

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Quick findings

Computed

The top 10 account for 47% of the $583.1B combined total of all 100 codes listed.
Construction of Other Non-Building Facilities rose the most, from #144 in FY2024 to #21 in FY2025.
IT and Telecom- Other IT and Telecommunications fell the most among those listed, from #44 in FY2024 to #81 in FY2025.

#	Name	FY2025	FY2024	Change	Rank vs FY2024
1	Aircraft, Fixed WingPSC 1510	$42.3B	$22.9B	+84%	▲ 5
2	Medical- Managed HealthcarePSC Q201	$38B	$35.9B	+6%	▼ 1
3	Combat Ships and Landing VesselsPSC 1905	$37.6B	$23B	+64%	▲ 2
4	Support- Professional: Engineering/TechnicalPSC R425	$33.2B	$32.7B	+2%	▼ 2
5	Support- Professional: OtherPSC R499	$27B	$32.5B	−17%	▼ 2
6	Drugs and BiologicalsPSC 6505	$26.2B	$23.9B	+10%	▼ 2
7	IT and Telecom - Business Application/Application Development Support Services (Labor)PSC DA01	$22.6B	$20.8B	+9%	same
8	Guided MissilesPSC 1410	$20.6B	$13.5B	+53%	▲ 2
9	Operation of Miscellaneous BuildingsPSC M1JZ	$18.8B	$17.1B	+11%	▼ 1
10	Social- Government Health Insurance ProgramsPSC G007	$10.8B	$9.3B	+17%	▲ 3
11	Oper of Govt R&D Goco FacilitiesPSC M181	$10.1B	$11.6B	−13%	same
12	National Defense R&D Services; Department of Defense - Military; Experimental DevelopmentPSC AC13	$9.2B	$8.8B	+5%	▲ 2
13	Support- Professional: Program Management/SupportPSC R408	$9B	$14B	−36%	▼ 4
14	IT and Telecom - Business Application/Application Development Software as a ServicePSC DA10	$8.7B	$6.3B	+38%	▲ 7
15	Gas Turbines and Jet Engines, Aircraft, Prime Moving; and ComponentsPSC 2840	$8.5B	$5.3B	+59%	▲ 10
16	Medical- Evaluation/ScreeningPSC Q403	$8.4B	$5.2B	+61%	▲ 10
17	Marine Lifesaving and Diving EquipmentPSC 4220	$7.9B	$6.6B	+19%	▲ 1
18	National Defense R&D Services; Defense-Related Activities; Applied ResearchPSC AC32	$7.3B	$6.8B	+7%	▼ 1
19	IT and Telecom - Business Application Software (Perpetual License Software)PSC 7A21	$7.2B	$6.5B	+11%	same
20	Maint/Repair/Rebuild of Equipment- Aircraft and Airframe Structural ComponentsPSC J015	$7.2B	$7B	+3%	▼ 4
21	Construction of Other Non-Building FacilitiesPSC Y1PZ	$6.9B	$938.7M	+634%	▲ 123
22	Support- Management: Logistics SupportPSC R706	$6.5B	$7.7B	−15%	▼ 7
23	Liquid Propellants and Fuels, Petroleum BasePSC 9130	$6.4B	$9.6B	−34%	▼ 11
24	Aircraft, Rotary WingPSC 1520	$6.1B	$6.4B	−5%	▼ 4
25	Miscellaneous Aircraft Accessories and ComponentsPSC 1680	$6.1B	$5.9B	+4%	▼ 2
26	Housekeeping- GuardPSC S206	$5.4B	$4.8B	+12%	▲ 2
27	Other Environmental ServicesPSC F999	$5.4B	$4B	+34%	▲ 4
28	Guided Missile Systems, CompletePSC 1425	$4.9B	$3.9B	+28%	▲ 6
29	Operation of Government-Owned Contractor-Operated (Goco) R&D FacilitiesPSC M1HA	$4.7B	$3.3B	+44%	▲ 17
30	Transportation/Travel/Relocation- Transportation: Space Transportation/LaunchPSC V126	$4.6B	$5.1B	−9%	▼ 3
31	IT and Telecom - IT Management Support Services (Labor)PSC DF01	$4.6B	$4B	+16%	▲ 1
32	Medical and Surgical Instruments, Equipment, and SuppliesPSC 6515	$4.4B	$4.3B	+3%	▼ 3
33	Construction of Miscellaneous BuildingsPSC Y1JZ	$4.4B	$5.9B	−26%	▼ 11
34	Guided Missile ComponentsPSC 1420	$4B	$3.6B	+10%	▲ 5
35	Airframe Structural ComponentsPSC 1560	$3.8B	$4B	−6%	▼ 5
36	National Defense R&D Services; Department of Defense - Military; Applied ResearchPSC AC12	$3.8B	$3.6B	+5%	▲ 2
37	R&D- Other Research and Development (Basic Research)PSC AZ11	$3.7B	$3.3B	+12%	▲ 6
38	Radar Equipment, Except AirbornePSC 5840	$3.6B	$3.3B	+9%	▲ 4
39	Maint/Repair/Rebuild of Equipment- Aircraft Components and AccessoriesPSC J016	$3.6B	$3.7B	−3%	▼ 2
40	Support- Administrative: OtherPSC R699	$3.4B	$4B	−14%	▼ 7
41	Housekeeping- Landscaping/GroundskeepingPSC S208	$3.2B	$1.1B	+200%	▲ 85
42	National Defense R&D Services; Defense-Related Activities; Experimental DevelopmentPSC AC33	$3B	$2.5B	+20%	▲ 11
43	IT and Telecom - Network Support Services (Labor)PSC DG01	$3B	$2.6B	+17%	▲ 9
44	Housekeeping- Facilities Operations SupportPSC S216	$3B	$3B	−1%	▲ 5
45	Support- Management: OtherPSC R799	$3B	$3.5B	−16%	▼ 5
46	National Defense R&D Services; Atomic Energy Defense Activities; R&D Administrative ExpensesPSC AC24	$2.9B	$5.5B	−46%	▼ 22
47	Medical- OtherPSC Q999	$2.9B	$1.4B	+106%	▲ 51
48	Repair or Alteration of Miscellaneous BuildingsPSC Z2JZ	$2.9B	$3.2B	−9%	▼ 1
49	Non-Nuclear Ship Repair (West)PSC J999	$2.9B	$2.1B	+41%	▲ 25
50	Combat, Assault, and Tactical Vehicles, TrackedPSC 2350	$2.9B	$3.7B	−24%	▼ 15
51	Electronic Countermeasures, Counter-Countermeasures and Quick Reaction Capability EquipmentPSC 5865	$2.8B	$3.7B	−24%	▼ 15
52	Architect and Engineering- General: OtherPSC C219	$2.7B	$3.5B	−22%	▼ 11
53	Meat, Poultry, and FishPSC 8905	$2.7B	$2.8B	−6%	▼ 3
54	IT and Telecom - Network: Satellite Communications and Telecom Access ServicesPSC DG11	$2.4B	$1.8B	+32%	▲ 27
55	Maint/Repair/Rebuild of Equipment- Engines, Turbines, and ComponentsPSC J028	$2.3B	$2.3B	−1%	▲ 4
56	Environmental Systems Protection- Environmental RemediationPSC F108	$2.3B	$3.1B	−27%	▼ 8
57	Trucks and Truck Tractors, WheeledPSC 2320	$2.3B	$1.5B	+56%	▲ 39
58	Support- Management: FinancialPSC R710	$2.3B	$2.5B	−8%	▼ 4
59	Space R&D Services; Space Flight, Research and Supporting Activities; Basic ResearchPSC AR11	$2.2B	$2.4B	−8%	▼ 3
60	Space R&D Services; Space Flight, Research and Supporting Activities; Applied ResearchPSC AR12	$2.2B	$1.9B	+13%	▲ 17
61	IT and Telecom - End User: Help Desk;Tier 1-2,Workspace,Print,Output,Productivity Tools (HW/Perp SW)PSC 7E20	$2.2B	$2.3B	−7%	▼ 3
62	Natural Resources/Conservation- Forest-Range Fire Suppression/PresuppressionPSC F003	$2.1B	$1.7B	+23%	▲ 25
63	Nuclear ReactorsPSC 4470	$2.1B	$2.1B	+3%	▲ 9
64	Fruits and VegetablesPSC 8915	$2.1B	$2.3B	−10%	▼ 7
65	Launchers, Guided MissilePSC 1440	$2.1B	$1.9B	+12%	▲ 15
66	Precious Metals Primary FormsPSC 9660	$2.1B	$2.3B	−10%	▼ 5
67	Passenger Motor VehiclesPSC 2310	$2B	$2.1B	−5%	▲ 1
68	Non-Nuclear Ship Repair (East)PSC J998	$2B	$2.1B	−1%	▲ 5
69	BombsPSC 1325	$2B	$2.2B	−8%	▼ 5
70	Housekeeping- Custodial JanitorialPSC S201	$2B	$2B	+3%	▲ 6
71	IT and Telecom - Service Delivery Support Services: Itsm, Operations Center, Project/PM (Labor)PSC DD01	$2B	$2.2B	−7%	▼ 5
72	Ammunition, Over 125MMPSC 1320	$2B	$2.1B	−6%	▼ 1
73	Unmanned AircraftPSC 1550	$1.9B	$2.2B	−12%	▼ 8
74	Oper of Govt Other Industrial BldgPSC M159	$1.9B	$2.1B	−8%	▼ 4
75	Transportation/Travel/Relocation- Transportation: Air CharterPSC V121	$1.9B	$2.3B	−17%	▼ 15
76	Fuel OilsPSC 9140	$1.9B	$2.1B	−11%	▼ 7
77	Radar Equipment, AirbornePSC 5841	$1.9B	$802.5M	+136%	▲ 96
78	Construction of Ship Construction and Repair FacilitiesPSC Y1ED	$1.9B	$1.3B	+43%	▲ 31
79	National Defense R&D Services; Department of Defense - Military; Basic ResearchPSC AC11	$1.9B	$1.2B	+55%	▲ 36
80	Maint/Repair/Rebuild of Equipment- Guided MissilesPSC J014	$1.8B	$2B	−7%	▼ 5
81	IT and Telecom- Other IT and TelecommunicationsPSC D399	$1.8B	$3.3B	−44%	▼ 37
82	Transportation/Travel/Relocation- Transportation: Marine CharterPSC V124	$1.8B	$1.8B	+1%	▲ 1
83	Ammunition, Through 30MMPSC 1305	$1.8B	$1.5B	+22%	▲ 11
84	Space VehiclesPSC 1555	$1.8B	$733.3M	+141%	▲ 101
85	IT and Telecom - End User: Help Desk; Tier 1-2, Workspace, Print, Output, Productivity Tools (Labor)PSC DE01	$1.7B	$1.8B	−2%	same
86	National Defense R&D Services; Atomic Energy Defense Activities; Applied ResearchPSC AC22	$1.7B	$1.4B	+25%	▲ 18
87	Repair or Alteration of Office BuildingsPSC Z2AA	$1.7B	$2.3B	−26%	▼ 25
88	Hardware, Weapon SystemPSC 5342	$1.7B	$1.9B	−10%	▼ 9
89	Communications Security Equipment and ComponentsPSC 5810	$1.6B	$2.2B	−24%	▼ 22
90	Modification of Equipment- Aircraft Components and AccessoriesPSC K016	$1.6B	$986.5M	+66%	▲ 51
91	R&D- Space: Science/Applications (Applied Research/Exploratory Development)PSC AR22	$1.6B	$1.6B	+2%	same
92	IT and Telecom - Security and Compliance Support Services (Labor)PSC DJ01	$1.6B	$1.9B	−14%	▼ 14
93	Maint/Repair/Rebuild of Equipment- WeaponsPSC J010	$1.6B	$806.5M	+95%	▲ 79
94	Combat, Assault, and Tactical Vehicles, WheeledPSC 2355	$1.6B	$1.7B	−7%	▼ 5
95	Utilities- ElectricPSC S112	$1.5B	$1.4B	+7%	▲ 5
96	Support- Management: AdvertisingPSC R701	$1.5B	$1.6B	−9%	▼ 6
97	Space R&D Svcs; Space Flight, Research & Supporting Activities; R&D Facilities & Maj EquipPSC AR15	$1.4B	$1.3B	+8%	▲ 11
98	Maint/Repair/Rebuild of Equipment- Electrical and Electronic Equipment ComponentsPSC J059	$1.4B	$1.1B	+25%	▲ 20
99	National Defense R&D Services; Atomic Energy Defense Activities; Experimental DevelopmentPSC AC23	$1.4B	$1.8B	−21%	▼ 15
100	National Defense R&D Svcs; Department of Defense - Military; R&D Facilities & Maj EquipPSC AC15	$1.4B	$2.2B	−38%	▼ 37

PSC pages currently show their awards but not a recipient breakdown; the loader's per-recipient pass fetches NAICS and assistance codes only. That is a gap in this site, not in the source.

Questions

Which product or service code accounts for the most federal spending in FY2025?: Aircraft, Fixed Wing, with $42.3B in FY2025.
How is a PSC different from a NAICS code?: PSC says what the government bought; NAICS says what industry sold it. A single purchase carries both, and they answer different questions.
Where does this ranking come from?: It is computed from USASpending.gov award records, which are U.S. government works and in the public domain. Each figure is the FY2025 dollars coded to that product or service code. TheFiscalFinder does the ranking; the underlying figures are the government's own.
How many codes are shown?: The top 100 for FY2025. Each row opens that code's own page, where the same money is broken out by year, by counterparty and by place.
Does a high position mean anything is wrong?: No. This is a description of where public money went in FY2025, computed from public records. It is not an allegation about anyone on it.

Related rankings

Top industries by federal contract dollars Top federal assistance programs Top contractors of the Department of State Top federal sub-agencies by spending Top congressional districts by federal spending

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Why the labels? The graph is only worth anything if the links are trusted. Facts taken straight from a federal filing are Source; figures we calculate are Computed; links we infer (corporate parents, districts, similar contractors, connections between records) are Inferred, worded carefully, never asserted as fact and never a claim that one thing caused another. Spot an error? Tell us.