Top DHS irradiation apparatus manufacturing contractors
In the 12 months ending Oct 5, 2026, the Department of Homeland Security obligated $373.2M in net prime contract dollars under NAICS 334517, up 45.7% from $256.2M in the preceding 12 months. 8 prime contractors received positive obligations, and 3 of them accounted for 80% of that spend.
Prime contracts funded by the Department of Homeland Security. Latest 12 months: Oct 6, 2025 to Oct 5, 2026. Source: USAspending.gov.
Obligations by fiscal year
Net prime contract obligations by federal fiscal year (October to September).
Top DHS contractors for NAICS 334517
Ranked by positive obligations in the latest 12 months. Share is of all positive obligations in this market.
| # | Contractor | Latest 12 mo | Prior 12 mo | Share | Rank change |
|---|---|---|---|---|---|
| 1 | Leidos, Inc. | $153.0M | $50.1M | 40.9% | ▲ 2 |
| 2 | Rapiscan Systems Inc | $84.7M | $74.1M | 22.7% | — |
| 3 | Smiths Detection Inc. | $75.3M | $84.7M | 20.2% | ▼ 2 |
| 4 | Astrophysics Inc | $50.8M | $22.6M | 13.6% | ▲ 1 |
| 5 | Leidos Security Detection & Automation, Inc. | $9.8M | $24.2M | 2.6% | ▼ 1 |
| 6 | Kodex, Inc. | $55K | $0 | 0.0% | New |
| 7 | North Star Imaging Incorporated | $18K | $23K | 0.0% | ▲ 4 |
| 8 | Creative Electron Inc. | $4K | $4K | 0.0% | ▲ 4 |
What changed in the last 12 months
Contractors with the largest change in reported obligations versus the preceding 12 months.
Largest gains
- Leidos, Inc.$50.1M → $153.0M (+$102.9M) · now #1
- Astrophysics Inc$22.6M → $50.8M (+$28.2M) · now #4
- Rapiscan Systems Inc$74.1M → $84.7M (+$10.6M) · now #2
Largest declines
- Leidos Security Detection & Automation, Inc.$24.2M → $9.8M (−$14.3M) · now #5
- Smiths Detection Inc.$84.7M → $75.3M (−$9.4M) · now #3
- Reveal Imaging Technologies, Inc.$0 → −$374K (−$374K) · no latest-period obligations
Where the money comes from
Funding sub-agencies within the Department of Homeland Security, latest 12 months. The funding organization can differ from the office that runs the requirement.
| Funding sub-agency | Latest 12 mo | Prior 12 mo | Change |
|---|---|---|---|
| U.S. Customs and Border Protection | $295.2M | $195.7M | Up $99.5M (50.8%) |
| Transportation Security Administration | $76.1M | $59.4M | Up $16.8M (28.3%) |
| U.S. Immigration and Customs Enforcement | $1.4M | $23K | Up $1.4M (5867.4%) |
| U.S. Secret Service | $220K | $670K | Down $450K (67.1%) |
| Office of the Under Secretary for Management | $151K | $145K | Up $6K (4.0%) |
| Federal Law Enforcement Training Center | $101K | $6K | Up $95K (1616.7%) |
Potential recompetes
Large awards in this market whose current period of performance ends in the next 18 months. Treat these as research leads: options, extensions, and follow-on vehicles often change the timing.
| Award | Incumbent | Obligated | Current end |
|---|---|---|---|
| 70T04024F7672N008 | Leidos Security Detection & Automation, Inc. THE PURCHASE AND INSTALLATION OF MSEDS EQUIPMENT. | $19.7M | Mar 28, 2027 |
| 70B03C21F00001091 | Leidos, Inc. LOW ENERGY NON-INTRUSIVE INSPECTION SYSTEMS, WITH TRAINING, AND MAINTENANCE. | $31.7M | Mar 31, 2027 |
| 70B03C21F00001130 | Leidos, Inc. THIS DELIVERY ORDER IS FOR MULTI- ENERGY PORTALS. | $73.7M | May 10, 2027 |
| 70B03C26F00000549 | Rapiscan Systems Inc U.S. CBP MOBILE X-RAY INSPECTION VEHICLES DELIVERY ORDER. | $21.2M | Jul 29, 2027 |
| 70B03C26F00000633 | Leidos, Inc. MEMS SYSTEMS | $39.7M | Aug 23, 2027 |
| 70T04024F7672N019 | Smiths Detection Inc. PURCHASE AND INSTALLATION OF MEDIUM SPEED EXPLOSIVE DETECTION SYSTEMS | $98.7M | Aug 31, 2027 |
| 70T04024F7672N027 | Leidos Security Detection & Automation, Inc. DELIVERY ORDER FOR 17 MEDIUM SPEED EXPLOSIVE DETECTION SYSTEMS | $20.3M | Sep 26, 2027 |
| 70T04023C7672N001 | Leidos Security Detection & Automation, Inc. PURCHASE AND INSTALLATION OF 33 MSEDS UNITS AT VARIOUS AIRPORTS | $20.8M | Sep 27, 2027 |
| 70B03C21F00001090 | Astrophysics Inc LOW ENERGY NON-INTRUSIVE INSPECTION SYSTEMS, WITH TRAINING, AND MAINTENANCE. | $79.6M | Sep 30, 2027 |
| 70B03C20F00000452 | Rapiscan Systems Inc HIGH ENERGY RAIL SYSTEMS | $63.1M | Dec 31, 2027 |
Common questions
Who are the top DHS contractors for NAICS 334517?
In the latest 12 months, Leidos, Inc. ($153.0M), Rapiscan Systems Inc ($84.7M), Smiths Detection Inc. ($75.3M) received the most DHS obligations for irradiation apparatus manufacturing.
How concentrated is this market?
The eight largest primes held 100.0% of positive obligations, and Leidos, Inc. alone held 40.9%. 0 contractors won their first obligations in this market during the latest 12 months.
Are any large DHS NAICS 334517 contracts ending soon?
10 of the largest awards in this market reach their current end date in the next 18 months. The first is 70T04024F7672N008 (Leidos Security Detection & Automation, Inc., $19.7M obligated), ending Mar 28, 2027. An end date is a research lead, not a confirmed recompete: options and extensions often move it.
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$86.4MFigures are net obligations on prime contracts (award types A–D) from USAspending.gov, grouped by funding agency and the NAICS code on each award. Net obligations include deobligations and corrections, so they can differ from positive-obligation totals. See methodology.
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