Industries › NAICS 334517
Industry · NAICS 334517 · sector 31-33 Manufacturing
Irradiation Apparatus Manufacturing
Federal contract obligations classified under NAICS 334517, the organisations that win them and the agencies that award them.
USAspending caveat. Figures are obligations reported by federal agencies to USAspending.gov, not payments. In USAspending's words: "An outlay occurs when federal money is actually paid out, not just promised to be paid ('obligated')." "Every agency has a Senior Accountable Official who must officially certify that the quarterly financial data submitted by their agency is accurate and complete." "If there are any discrepancies in procurement data, FPDS is the authoritative source." Contract data for the Department of Defense and the U.S. Army Corps of Engineers is published with a 90-day delay. Data loaded 30 Sep 2026.
Federal agencies obligated $1.1B in contracts classified under NAICS 334517, Irradiation Apparatus Manufacturing, in FY2026, and $3.6B over the five fiscal years since FY2023; the industry ranks 91 of 526 on this site.
Obligations were up 31% on FY2025 ($856M), with $0 so far in FY2027.
The largest recipient organisations over FY2022–FY2025 were Siemens Medical Solutions Usa, Inc. ($809M), Philips North America LLC ($468M) and GE Precision Healthcare LLC ($433M).
By place of performance, the most money went to PA, WI and CA.
Contract obligations by fiscal year
Compared with the largest industry FY2026
| Measure | This industry | Aircraft Manufacturing | All contracts |
|---|---|---|---|
| Contract obligations, FY2026 | $1.1B | $45B | $716B |
| Five-year total | $3.6B | $211B | $3.0T |
| Share of all contract obligations, five years | 0.1% | 7.1% | 100% |
Top contractors obligations, FY2022–FY2025
| # | Organisation | Obligations |
|---|---|---|
| 1 | Siemens Medical Solutions Usa, Inc. | $809M |
| 2 | Philips North America LLC | $468M |
| 3 | GE Precision Healthcare LLC | $433M |
| 4 | Smiths Detection Inc. | $285M |
| 5 | General Electric Company | $248M |
| 6 | Rapiscan Systems Inc | $137M |
| 7 | Leidos, Inc. | $116M |
| 8 | Varian Medical Systems, Inc | $103M |
| 9 | Leidos Security Detection & Automation, Inc. | $92M |
| 10 | Westinghouse Government Services LLC | $75M |
| 11 | Oec Medical Systems, Inc. | $66M |
| 12 | Hologic Sales and Service, LLC | $43M |
| 13 | Astrophysics Inc | $38M |
| 14 | Hologic, Inc. | $38M |
| 15 | BK Medical Holding Company, Inc. | $30M |
| 16 | V.J. Technologies, Inc | $15M |
| 17 | Fujifilm Healthcare Americas Corp | $12M |
| 18 | North Star Imaging Incorporated | $11M |
| 19 | Elekta Inc | $11M |
| 20 | Spectrum Dynamics Medical, Inc. | $11M |
| 21 | Hadland Imaging LLC | $11M |
| 22 | Marietta Nondestructive Testing LLC | $9.9M |
| 23 | Osage Nation Energy Services LLC | $8.9M |
| 24 | Riverain Technologies, Inc | $8.5M |
| 25 | Shimadzu Precision Instruments, Inc. | $8.2M |
Buying agencies $1.0M+ awards
Where the work is performed
Largest awards since FY2023
| Recipient | Awarding agency | Type | Award value | Begun | Place | Record |
|---|---|---|---|---|---|---|
| Smiths Detection Inc. | Department of Homeland SecurityTransportation Security Administration | ContractDelivery Order | $99M | 10 Jul 2024 | CA | USAspending |
| Smiths Detection Inc. | Department of Homeland SecurityTransportation Security Administration | ContractDelivery Order | $64M | 28 Sep 2026 | VA | USAspending |
| Leidos, Inc. | Department of Homeland SecurityU.S. Customs and Border Protection | ContractDelivery Order | $40M | 24 Aug 2026 | VA | USAspending |
| Smiths Detection Inc. | Department of Homeland SecurityTransportation Security Administration | ContractDelivery Order | $33M | 29 Sep 2025 | VA | USAspending |
| Smiths Detection Inc. | Department of Homeland SecurityTransportation Security Administration | ContractDelivery Order | $25M | 22 Sep 2023 | CA | USAspending |
| Rapiscan Systems Inc | Department of Homeland SecurityU.S. Customs and Border Protection | ContractDelivery Order | $21M | 30 Jul 2026 | FL | USAspending |
| Leidos Security Detection & Automation, Inc. | Department of Homeland SecurityTransportation Security Administration | ContractDefinitive Contract | $21M | 28 Sep 2023 | MA | USAspending |
| Leidos Security Detection & Automation, Inc. | Department of Homeland SecurityTransportation Security Administration | ContractDelivery Order | $20M | 26 Sep 2024 | MA | USAspending |
| Leidos Security Detection & Automation, Inc. | Department of Homeland SecurityTransportation Security Administration | ContractDelivery Order | $20M | 28 Mar 2024 | MA | USAspending |
| Leidos Security Detection & Automation, Inc. | Department of Homeland SecurityTransportation Security Administration | ContractDelivery Order | $19M | 26 Sep 2023 | VA | USAspending |
Other industries in sector 31-33: Manufacturing
- 336411 Aircraft Manufacturing $211B
- 336414 Guided Missile and Space Vehicle Manufacturing $126B
- 336611 Ship Building and Repairing $118B
- 325412 Pharmaceutical Preparation Manufacturing $70B
- 336413 Other Aircraft Parts and Auxiliary Equipment Manufacturing $69B
- 334511 Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing $66B
- 324110 Petroleum Refineries $41B
- 336412 Aircraft Engine and Engine Parts Manufacturing $40B
- 332993 Ammunition (except Small Arms) Manufacturing $31B
- 336992 Military Armored Vehicle, Tank, and Tank Component Manufacturing $26B
- 325411 Medicinal and Botanical Manufacturing $18B
- 334220 Radio and Television Broadcasting and Wireless Communications Equipment Manufacturing $17B
- 339999 All Other Miscellaneous Manufacturing $15B
- 334111 Electronic Computer Manufacturing $13B
- 334290 Other Communications Equipment Manufacturing $9.7B
- 336419 Other Guided Missile and Space Vehicle Parts and Auxiliary Equipment Manufacturing $8.1B
- 332410 Power Boiler and Heat Exchanger Manufacturing $8.1B
- 336111 Automobile Manufacturing $7.1B
- 336415 Guided Missile and Space Vehicle Propulsion Unit and Propulsion Unit Parts Manufacturing $6.6B
- 339112 Surgical and Medical Instrument Manufacturing $6.2B
- 331410 Nonferrous Metal (except Aluminum) Smelting and Refining $6.1B
- 332994 Small Arms, Ordnance, and Ordnance Accessories Manufacturing $5.9B
- 336212 Truck Trailer Manufacturing $5.5B
- 311999 All Other Miscellaneous Food Manufacturing $5.4B
Questions and answers
How much does the federal government spend on NAICS 334517?
$1.1B in contract obligations classified under Irradiation Apparatus Manufacturing in FY2026, $3.6B over the five fiscal years since FY2023. Obligations are commitments, not payments.
Who are the top contractors in Irradiation Apparatus Manufacturing?
Siemens Medical Solutions Usa, Inc. ($809M), Philips North America LLC ($468M), GE Precision Healthcare LLC ($433M), Smiths Detection Inc. ($285M), General Electric Company ($248M), by contract obligations over FY2022–FY2025.
Which agencies buy in this industry?
By the value of $1.0M-plus contracts since FY2023: Department of Veterans Affairs ($1.1B), Department of Homeland Security ($548M), Department of Defense ($339M), Department of Health and Human Services ($15M), Department of Agriculture ($8.5M).
What is a NAICS code?
In USAspending's words: "NAICS stands for the North American Industrial Classification System. This 6-digit code tells you what industry the work falls into. Each contract record has a NAICS code." Assistance awards (grants, loans, direct payments) carry no NAICS code and are not counted here.
Provenance
Source: USAspending.gov API v2, spending by category (NAICS) by fiscal year, recipient cross-tabulation for FY2022–FY2025 and award search, loaded 30 Sep 2026. State figures come from each state's top-100 NAICS list, so small amounts in a state may be missing. See methodology.