NAICS Code 334511: Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing
National industry
SBA small business size standard: 1,350 employees
Definition
This U.S. industry comprises establishments primarily engaged in manufacturing search, detection, navigation, guidance, aeronautical, and nautical systems and instruments. Examples of products made by these establishments are aircraft instruments (except engine), flight recorders, navigational instruments and systems, radar systems and equipment, and sonar systems and equipment.
Code facts
- Part of
-
-
31-33
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334
-
3345
- 33451
-
3345
-
334
-
31-33
- Contract awards
- 5,183 In the last 12 months
- Contract obligations
- $20,908,475,820 In FY2025
NAICS codes and definitions come from the U.S. Census Bureau, size standards from the SBA and contract spending from SAM.gov/FPDS.
Business activities under NAICS 334511
- Acceleration indicators and systems components, aerospace type, manufacturing
- Aeronautical systems and instruments manufacturing
- Air traffic control radar systems and equipment manufacturing
- Airborne navigational systems manufacturing
- Aircraft flight instruments (except engine instruments) manufacturing
- Airframe equipment instruments manufacturing
- Airspeed instruments (aeronautical) manufacturing
- Altimeters, aeronautical, manufacturing
- Angle-of-attack instrumentation manufacturing
- Angle-of-yaw instrumentation manufacturing
- Artificial horizon instrumentation manufacturing
- Bank and turn indicators and components (aeronautical instruments) manufacturing
- Cabin environment indicators, transmitters, and sensors manufacturing
- Compasses, gyroscopic and magnetic (except portable), manufacturing
- Countermeasure sets (e.g., active countermeasures, jamming equipment) manufacturing
- Distance measuring equipment (DME), aeronautical, manufacturing
- Driftmeters, aeronautical, manufacturing
- Electronic guidance systems and equipment manufacturing
- Fathometers manufacturing
- Fish finders (i.e., sonar) manufacturing
- Flight and navigation sensors, transmitters, and displays manufacturing
- Flight recorders (i.e., black boxes) manufacturing
- Glide slope instrumentation manufacturing
- Gyrocompasses manufacturing
- Gyrogimbals manufacturing
- Gyroscopes manufacturing
- Heads-up display (HUD) systems, aeronautical, manufacturing
- Horizon situation instrumentation manufacturing
- HUD (heads-up display) systems, aeronautical, manufacturing
- Hydrophones manufacturing
- Inertial navigation systems, aeronautical, manufacturing
- Infrared homing systems, aeronautical, manufacturing
- Instrument landing system instrumentation, airborne or airport, manufacturing
- Instruments, aeronautical, manufacturing
- Light reconnaissance and surveillance systems and equipment manufacturing
- Machmeters manufacturing
- Nautical systems and instruments manufacturing
- Navigational instruments manufacturing
- Omnibearing instrumentation manufacturing
- Pictorial situation instrumentation manufacturing
- Position indicators (e.g., for landing gear, stabilizers), airframe equipment, manufacturing
- Proximity warning (i.e., collision avoidance) equipment manufacturing
- Radar detectors manufacturing
- Radar systems and equipment manufacturing
- Radio magnetic instrumentation (RMI) manufacturing
- Rate-of-climb instrumentation manufacturing
- Search and detection systems and instruments manufacturing
- Sextants (except surveying) manufacturing
- Sonabuoys manufacturing
- Sonar fish finders manufacturing
- Sonar systems and equipment manufacturing
- Space vehicle guidance systems and equipment manufacturing
- Speed, pitch, and roll navigational instruments and systems manufacturing
- Taffrail logs manufacturing
- Underwater navigational systems manufacturing
- Warfare countermeasures equipment manufacturing
- Wheel position indicators and transmitters, aircraft, manufacturing
Show all 57
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Contract obligations by fiscal year
| Fiscal year | Obligated |
|---|---|
| FY2027 To date | $7,085,591 |
| FY2026 | $19,458,797,837 |
| FY2025 | $20,908,475,820 |
| FY2024 | $19,777,519,076 |
| FY2023 | $19,373,602,139 |
Top contractors by obligations
| Rank | Contractor | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 | Raytheon Company | $3,277,969,153 | |
| 2 | Raytheon Company | $2,915,482,603 | |
| 3 | Lockheed Martin Corporation | $1,119,556,152 | |
| 4 | Northrop Grumman Systems Corporation | $845,591,674 | |
| 5 | Lockheed Martin Corporation | $675,640,909 | |
| 6 | Northrop Grumman Systems Corporation | $656,795,971 | |
| 7 | Indra Air Traffic, Inc. | $387,544,502 | |
| 8 | Lockheed Martin Corporation | $368,753,602 | |
| 9 | Elbitamerica, Inc. | $352,894,904 | |
| 10 | General Dynamics Mission Systems, Inc. | $340,586,877 |
See the full FY2025 ranking of NAICS 334511 contractors, by parent company.
Top funding agencies by obligations
| Rank | Agency | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 | Department of the Navy | $9,012,205,138 | |
| 2 | Department of the Army | $5,158,088,168 | |
| 3 | Air Force | $2,166,922,270 | |
| 4 | Department of Homeland Security | $994,536,745 | |
| 5 | Department of Transportation | $992,264,069 | |
| 6 | Missile Defense Agency | $333,953,930 | |
| 7 | US Special Operations Command | $292,863,863 | |
| 8 | Department of Defense | $124,836,813 | |
| 9 | Defense Logistics Agency | $101,029,852 | |
| 10 | Office of the Secretary of Defense | $65,058,172 |
Top PSC codes by obligations
| Rank | PSC code | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 | 5840 Radar Equipment, Except Airborne | $4,203,105,645 | |
| 2 | 1260 Fire Control Designating and Indicating Equipment | $2,904,323,068 | |
| 3 | 5865 Electronic Countermeasures, Counter-Countermeasures and Quick Reaction Capability Equipment | $2,084,955,461 | |
| 4 | J014 Maintenance, Repair and Rebuilding of Equipment: Guided Missiles | $791,887,597 | |
| 5 | 1230 Fire Control Systems, Complete | $716,442,423 | |
| 6 | R425 Engineering and Technical Services | $700,405,929 | |
| 7 | 5845 Underwater Sound Equipment | $599,403,238 | |
| 8 | 6350 Miscellaneous Alarm, Signal, and Security Detection Systems | $473,786,065 | |
| 9 | 5841 Radar Equipment, Airborne | $470,077,015 | |
| 10 | 5342 Hardware, Weapon System | $333,526,441 |
Contract obligations by state
| Rank | Place of performance | Obligated, last 12 months | Share |
|---|---|---|---|
| 1 | Massachusetts | $7,285,325,525 | |
| 2 | California | $1,397,874,047 | |
| 3 | Virginia | $1,287,849,539 | |
| 4 | Maryland | $1,270,257,266 | |
| 5 | New Jersey | $1,148,962,712 | |
| 6 | New York | $1,093,243,237 | |
| 7 | Texas | $1,073,122,474 | |
| 8 | Florida | $743,156,972 | |
| 9 | Illinois | $675,845,786 | |
| 10 | Kansas | $389,710,916 | |
| 11 | Colorado | $357,942,681 | |
| 12 | Indiana | $323,756,349 | |
| 13 | Pennsylvania | $254,706,859 | |
| 14 | New Hampshire | $214,704,261 | |
| 15 | Iowa | $157,282,931 | |
| 16 | Nevada | $147,393,731 | |
| 17 | Ohio | $87,246,656 | |
| 18 | Georgia | $86,454,519 | |
| 19 | Arizona | $74,250,269 | |
| 20 | Connecticut | $62,639,960 | |
| 21 | Alabama | $57,440,068 | |
| 22 | Mississippi | $48,633,219 | |
| 23 | District of Columbia | $46,269,186 | |
| 24 | Rhode Island | $45,356,192 | |
| 25 | Alaska | $43,115,162 | |
| 26 | Washington | $42,513,715 | |
| 27 | North Carolina | $39,007,435 | |
| 28 | Missouri | $33,477,666 | |
| 29 | New Mexico | $27,960,191 | |
| 30 | Utah | $26,533,328 | |
| 31 | Tennessee | $23,330,302 | |
| 32 | Oklahoma | $18,687,852 | |
| 33 | Oregon | $16,029,671 | |
| 34 | Michigan | $10,860,962 | |
| 35 | Kentucky | $7,379,859 | |
| 36 | Louisiana | $3,615,397 | |
| 37 | West Virginia | $3,285,109 | |
| 38 | South Carolina | $3,280,443 | |
| 39 | Minnesota | $2,843,966 | |
| 40 | Wisconsin | $2,220,036 | |
| 41 | Arkansas | $2,146,473 | |
| 42 | Hawaii | $2,013,281 | |
| 43 | North Dakota | $1,654,467 | |
| 44 | Guam | $1,126,356 | |
| 45 | Maine | $1,092,790 | |
| 46 | Vermont | $815,992 | |
| 47 | Delaware | $298,564 | |
| 48 | South Dakota | $106,289 | |
| 49 | Puerto Rico | $101,080 | |
| 50 | Nebraska | $98,422 | |
| 51 | Montana | $88,616 | |
| 52 | Idaho | $88,134 | |
| 53 | Wyoming | $20,450 |
Show all 53
Shares are of everything obligated under NAICS 334511 in the last 12 months before deobligations, including work performed abroad or with no place of performance on record.
Contract opportunities
Show 40 more
Latest 50 of 48,593 listed here. See the rest on GovTribe.
Size standard history
Federal Register rules that named this code
From the NAICS codes each rule's amendments to 13 CFR 121.201 name. Rules that print their size standard tables as images aren't listed.
Quick answers
What is NAICS 334511?
NAICS 334511 is Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing, a national industry in NAICS 31-33, Manufacturing.
What is the NAICS code for sonabuoys manufacturing?
The NAICS code for sonabuoys manufacturing is 334511, Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing.
What is the NAICS code for gyroscopes manufacturing?
The NAICS code for gyroscopes manufacturing is 334511, Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing.
What is the NAICS code for machmeters manufacturing?
The NAICS code for machmeters manufacturing is 334511, Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing.
When did the size standard for NAICS 334511 last change?
The most recent Federal Register rule on record that names NAICS 334511 in the SBA's size standards is "Small Business Size Standards: Manufacturing and Industries With Employee-Based Size Standards in Other Sectors Except Wholesale Trade and Retail Trade" (88 FR 9970), published Feb 15, 2023 and effective Mar 17, 2023.
How much do federal agencies spend under NAICS 334511?
Federal contracts under NAICS 334511 obligated $20,908,475,820 in fiscal year 2025 and $79,525,480,463 in fiscal years 2023 through 2027.
Who are the largest contractors under NAICS 334511?
The contractors with the most obligated under NAICS 334511 in fiscal years 2026 and 2027 are Raytheon Company ($3,277,969,153), Lockheed Martin Corporation ($1,119,556,152) and Northrop Grumman Systems Corporation ($845,591,674).
Which agencies buy the most under NAICS 334511?
The agencies that obligated the most under NAICS 334511 in fiscal years 2026 and 2027 are Department of the Navy ($9,012,205,138), Department of the Army ($5,158,088,168) and Air Force ($2,166,922,270).
Which PSC codes are used with NAICS 334511?
The PSC codes with the most obligated under NAICS 334511 in fiscal years 2026 and 2027 are 5840 Radar Equipment, Except Airborne; 1260 Fire Control Designating and Indicating Equipment; and 5865 Electronic Countermeasures, Counter-Countermeasures and Quick Reaction Capability Equipment.
Where is the work under NAICS 334511 performed?
By place of performance, the states with the most contract obligations under NAICS 334511 over the last 12 months are Massachusetts ($7,285,325,525), California ($1,397,874,047) and Virginia ($1,287,849,539).
What is the latest contract opportunity under NAICS 334511?
The latest contract opportunity under NAICS 334511 is Computer, air data; F-16, solicitation from Aviation (DLA), posted November 6, 2026.
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