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NAICS Code· 334517

NAICS 334517: Irradiation Apparatus Manufacturing

This U.S. industry comprises establishments primarily engaged in manufacturing irradiation apparatus and tubes for applications, such as medical diagnostic, medical therapeutic, industrial, research, and scientific evaluation. Irradiation can take the form of beta-rays, gamma-rays, X-rays, or other ionizing radiation. Show more

NAICS 334517 – Irradiation Apparatus Manufacturing encompasses the design, development, and production of specialized equipment used to generate and control ionizing radiation for medical, industrial, and research applications. This includes devices such as gamma irradiators, electron beam accelerators, X-ray irradiation systems, and radioisotope-based treatment units.

103
Active Contracts
$853.0M
Total Obligations (12mo)
1.1K
Awarded Contracts (12mo)
96
Contractors Awarded (12mo)
1
Median Bidders per Award
+26.2%
YoY Growth

Industry Spending Overview

Federal obligations, top contractors and agencies, and related industry codes for NAICS 334517.

AI Industry Description

NAICS 334517 – Irradiation Apparatus Manufacturing encompasses the design, development, and production of specialized equipment used to generate and control ionizing radiation for medical, industrial, and research applications. This includes devices such as gamma irradiators, electron beam accelerat...

NAICS 334517 – Irradiation Apparatus Manufacturing encompasses the design, development, and production of specialized equipment used to generate and control ionizing radiation for medical, industrial, and research applications. This includes devices such as gamma irradiators, electron beam accelerators, X-ray irradiation systems, and radioisotope-based treatment units. These apparatuses are critical in sterilizing medical devices, preserving pharmaceuticals, enabling cancer radiotherapy, and supporting materials testing. In the federal contracting landscape, this NAICS code serves as a niche but essential component of biomedical infrastructure, supporting mission-critical procurement by agencies requiring validated, FDA-compliant, and radiation-shielded systems. The manufacturing process demands precision engineering, regulatory compliance under NRC and FDA guidelines, and adherence to strict quality control standards such as ISO 13485. Marathon Medical Corporation is the leading contractor in this sector, recognized for its expertise in delivering calibrated, safety-certified irradiation systems tailored for clinical and laboratory environments. As a specialized prime contractor with deep technical capabilities in radiation safety and medical device integration, it dominates the space through long-term maintenance contracts and system upgrades, often partnering with small businesses for component supply and calibration services. The Department of Veterans Affairs is the primary federal buyer, procuring irradiation apparatuses to support VA medical centers’ oncology and sterilization programs. Demand is driven by the need to maintain sterile surgical instrument supplies and deliver targeted radiotherapy treatments to veteran patients, particularly in high-volume VA hospitals and regional healthcare hubs. The competitive landscape is concentrated, with limited manufacturers possessing the regulatory certifications and engineering rigor required for federal procurement. Opportunities exist for firms with expertise in radiation shielding, control system integration, and FDA 510(k) submissions, particularly those able to offer lifecycle support and remote monitoring capabilities. Recent trends indicate growing emphasis on modular, upgradeable systems to extend equipment lifespan and reduce total cost of ownership.

Small Business Size Standard

The SBA threshold that decides who can bid NAICS 334517 work as a small business.

1,200 employees
Applies to the whole industry code

The SBA cap for this NAICS (13 CFR 121.201). A business at or under it can self-certify as small for work in this code, which is what makes it eligible for a small-business set-aside. The cap is set per NAICS, so the same company can be small in one code and not in another.

13 CFR 121.201, effective January 1, 2026. The SBA revises the table roughly once a year.

Top Contractors

Companies with the highest total award value under NAICS 334517, ranked by dollars won.

Top Agencies

Federal agencies directing the most contract spending toward NAICS 334517.

Competition

How many companies historically bid on federal awards in NAICS 334517, from bidder counts reported on USAspending.

Usually Single-Bid

Half or more of reported awards drew exactly one bidder, usually a sign of incumbent-held work rather than an open field. · 28,130 reported awards

Median Bidders

1

Per reported award, all-time

Single-Bid Awards

53%

Share of reported awards with one bidder

10+ Bidder Awards

8%

Share of reported awards with 10+ bidders

Reported Awards

28,130

98% of 28,664 total awards

Bidder Count Distribution by Fiscal Year

Share of reported awards in each bidder-count bracket per federal fiscal year.

How this code compares up the NAICS hierarchy. Parent cohorts pool every code under their prefix, so they are the steadier baseline when a 6-digit sample is thin.

Industry FamilyCompetitionMedian BiddersSingle-BidBidder MixReported Awards
334517This Code
Irradiation Apparatus Manufacturing
Usually Single-Bid153%
28,13098% of 28,664
33451NAICS Industry
Usually Single-Bid162%
895,60488% of 1,015,890
3345Industry Group
Navigational, Measuring, Electromedical, and Control Instruments Manufacturing
Usually Single-Bid162%
895,60488% of 1,015,890
334Subsector
Fewer Bidders250%
2,655,79088% of 3,015,335
33Sector
Manufacturing
Fewer Bidders244%
16,883,00469% of 24,369,785

Bidder counts reported on past federal awards in this NAICS (USAspending). An open opportunity has no bidders yet, so this is the historical norm for similar work, not a fact about this solicitation. Not all awards report bidder counts, and fewer bidders often means incumbent-held work rather than an easier win. Federal reporting of bidder counts fell from ~96% of awards (FY2016) to ~30% (FY2018 onward); the chart shows shares of reported awards, and washed-out stretches mark years with fewer than 30 of them.

Related NAICS Codes

Industries similar to Irradiation Apparatus Manufacturing, by shared sector, subsector, and industry group.

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NAICS 334517 FAQ

Frequently Asked Questions

NAICS code 334517 covers Irradiation Apparatus Manufacturing. This U.S. industry comprises establishments primarily engaged in manufacturing irradiation apparatus and tubes for applications, such as medical diagnostic, medical therapeutic, industrial, research, and scientific evaluation. Irradiation can take the form of beta-rays, gamma-rays, X-rays, or other ionizing radiation.

Recently Posted in Irradiation Apparatus Manufacturing

NAICS: 334517
New
Federal
X-ray imaging detector system
Solicitation # SLAC_369006_Xray_Imaging_Detector_System
SLAC National Accelerator Laboratory, operated by Stanford University for the Department of Energy, is soliciting quotes for an X-ray imaging detector system. The required equipment includes one XRD 4343CT-F22-C-000 imaging grade digital X-ray detector, an XRD-EPS 215W power supply, and associated AC, DC, extension, and PC connection cables, along with an XRD FG(E) OPTO PCIe Frame Grabber V4. Technical requirements specify a flat-panel detector configuration with an amorphous silicon sensor, a minimum active area of 40 cm x 40 cm, a 150 micron pixel size, and applicability for hard and high-energy X-ray diffraction greater than 20 keV. This is a product-only procurement with no on-site services permitted. Quotes are due by October 16, 2026, and will be evaluated based on the Lowest Priced Technically Acceptable method and the best lead time. The resulting purchase order will be a fixed-price contract with NET-30 payment terms. Domestic shipments are FOB Destination Prepaid and Add, while foreign shipments are CIP SLAC, Menlo Park, Duty Unpaid. Offerors must be registered in the System for Award Management and provide a completed Representations and Certifications Rider. Additionally, proposals should include HTS Codes, ECCNs, and a statement regarding duties and tariffs. Buy American Act certification is required for unit prices exceeding 15,000 dollars. While not direct Federal procurements, these subcontracts incorporate various FAR and DEAR clauses based on contract value thresholds, including specific regulations regarding equal opportunity, whistleblower rights, and export controls.
Slac National Accel Labor -Doe Contractor

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