NAICS Code 333992: Welding and Soldering Equipment Manufacturing

National industry

SBA small business size standard: 1,250 employees

Definition

This U.S. industry comprises establishments primarily engaged in manufacturing welding and soldering equipment and accessories (except transformers), such as arc, resistance, gas, plasma, laser, electron beam, and ultrasonic welding equipment; welding electrodes; coated or cored welding wire; and soldering equipment (except handheld).

Government contracts for this product: PSC 3439 Miscellaneous Welding, Soldering, and Brazing Supplies and Accessories

Code facts

Contract awards
495 In the last 12 months
Contract obligations
$33,989,086 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 333992

  • Arc welding equipment manufacturing
  • Electrode holders, welding, manufacturing
  • Electrodes, welding, manufacturing
  • Electron beam welding equipment manufacturing
  • Gas welding equipment manufacturing
  • Gas welding rods, coated or cored, manufacturing
  • Generating apparatus and parts, welding, electrical, manufacturing
  • Laser welding equipment manufacturing
  • Plasma welding equipment manufacturing
  • Resistance welding equipment manufacturing
  • Seam welding equipment manufacturing
  • Soldering equipment (except hand held) manufacturing
  • Spot welding equipment manufacturing
  • Ultrasonic welding equipment manufacturing
  • Welding equipment manufacturing
  • Welding wire or rods (i.e., coated, cored) manufacturing

Looking for another activity? Search the NAICS code lookup or browse business activities from A to Z.

Contract obligations by fiscal year

Fiscal year Obligated
FY2027 To date $0
FY2026 $24,286,216
FY2025 $33,989,086
FY2024 $33,398,068
FY2023 $25,498,647

Top contractors by obligations

Rank Contractor Obligated, FY2026–FY2027 Share
1 Wright Tool Company, LLC $3,463,188
2 Science & Technology Corporation $2,392,534
3 Surface Engineering & Alloy Company, Inc. $1,728,644
4 The Lincoln Electric Company $1,226,970
5 Machitech Automation LLC $1,193,900
6 Mississippi Welders Supply Company, Inc. $1,132,089
7 Linmarr Associates, Inc. $979,531
8 S.j. Smith Co., Inc. $797,589
9 Raytheon Company $779,863
10 Central Welding Supply Company $508,529

See the full FY2025 ranking of NAICS 333992 contractors, by parent company.

Top funding agencies by obligations

Rank Agency Obligated, FY2026–FY2027 Share
1 Department of the Army Department of Defense $10,370,090
2 Defense Logistics Agency Department of Defense $7,110,383
3 Department of the Navy Department of Defense $5,358,527
4 National Aeronautics and Space Administration $423,678
5 Air Force Department of Defense $354,010
6 Department of Veterans Affairs $214,640
7 Department of Homeland Security $129,899
8 Department of Justice $113,814
9 Department of Health and Human Services $102,206
10 Department of the Treasury $55,084
Rank PSC code Obligated, FY2026–FY2027 Share
1 3439 Miscellaneous Welding, Soldering, and Brazing Supplies and Accessories $8,083,425
2 5130 Hand Tools, Power Driven $3,567,434
3 3431 Electric Arc Welding Equipment $2,528,440
4 K034 Modification of Equipment: Metalworking Machinery $2,404,534
5 3433 Gas Welding, Heat Cutting, and Metalizing Equipment $2,002,319
6 5950 Coils and Transformers $1,772,950
7 3438 Miscellaneous Welding Equipment $1,640,267
8 8030 Preservative and Sealing Compounds $457,538
9 3432 Electric Resistance Welding Equipment $238,758
10 5925 Circuit Breakers $232,043

Contract obligations by state

Rank Place of performance Obligated, last 12 months Share
1 Michigan $3,865,738
2 Florida $3,598,359
3 Maryland $2,810,237
4 California $1,652,414
5 Ohio $1,521,628
6 Pennsylvania $1,173,708
7 Minnesota $876,588
8 Kentucky $866,964
9 Iowa $797,589
10 Virginia $670,665
11 Washington $660,760
12 New York $577,223
13 Wisconsin $440,426
14 Louisiana $414,464
15 Alabama $359,780
16 Texas $309,554
17 Connecticut $307,750
18 Indiana $220,741
19 New Jersey $163,912
20 Georgia $132,623
21 Massachusetts $132,272
22 Tennessee $109,490
23 Illinois $94,727
24 Missouri $80,863
25 Hawaii $74,190
26 Arizona $48,963
27 North Carolina $37,605
28 District of Columbia $32,103
29 Kansas $16,361
30 Alaska $15,398
31 Montana $14,741
32 Oklahoma $10,379
33 Nebraska $6,688
34 Colorado $1,640
Show all 34

Shares are of everything obligated under NAICS 333992 in the last 12 months before deobligations, including work performed abroad or with no place of performance on record.

Contract opportunities

Notice Posted Due
Welding qualification test kit Award Notice · Construction and Equipment (DLA) · SPE8E627T0484 —
Welding qualification Solicitation · Construction and Equipment (DLA) · SPE8E627T0617
Rod, welding level 1 Solicitation · Land and Maritime (DLA)
Level 1 Silver Brazing Rings Solicitation · Land and Maritime (DLA)
Welding qualification test kit Award Notice · Construction and Equipment (DLA) · SPE8E627T0480 —
Indicator, angle Solicitation · Aviation (DLA) · SPE4A627T024U
Transformer, power Award Notice · Land and Maritime (DLA) · SPE7M126U6668 —
Resonator, tuning fork Solicitation · Land and Maritime (DLA)
Transformer, power Award Notice · Land and Maritime (DLA) · SPE7M127T0537 —
Welding qualification Solicitation · Construction and Equipment (DLA) · SPE8E527T0416
Solicitation - Aberdeen Test Center Welding, Machining, Painting, and Fabrication Services Solicitation · ACC Aberdeen Proving Ground
Industrial Resistance Spot Welder Pre-Solicitation · Technical Center (FAA)
Welding qualification Solicitation · Construction and Equipment (DLA) · SPE8E627T0484
Welding qualification Solicitation · Construction and Equipment (DLA) · SPE8E527T0396
Welding qualification Solicitation · Construction and Equipment (DLA) · SPE8E627T0480
ERCuNiAl TIG Wire Solicitation · Naval Sea Systems Command (Navy)
Transformer, power Solicitation · Aviation (DLA) · SPE4A627T7432
MIL-DTL-19933F, Electrodes and Rods - Welding, Bare, Chromium and Chromium-Nickel Steels Special Notice · Naval Sea Systems Command (Navy)
Circuit breaker Award Notice · Land and Maritime (DLA) · SPE7M127U0093 —
Transformer, power Award Notice · Land and Maritime (DLA) · SPE7M127U0132 —
Indicator, angle Award Notice · Aviation (DLA) · SPE4A026T3327 —
Transformer, power Solicitation · Aviation (DLA) · SPE4A627T5610
Draft Solicitation - Aberdeen Test Center Welding, Machining, Painting, and Fabrication Services Pre-Solicitation · ACC Aberdeen Proving Ground
Transformer, power Solicitation · Aviation (DLA) · SPE4A627T2739
Rod, welding Solicitation · Naval Supply Systems Command (Navy)
Soldering-desolderi Solicitation · Naval Supply Systems Command (Navy)
Transformer, power Award Notice · Land and Maritime (DLA) · SPE7M126U6662 —
Circuit breaker Solicitation · Land and Maritime (DLA) · SPE7M127U0093
Meter, arbitrary scale Solicitation · Land and Maritime (DLA)
Transformer, power Solicitation · Land and Maritime (DLA) · SPE7M127U0132
Cutting machine, plasma Solicitation · Construction and Equipment (DLA)
Welding Wire 100-S . 045 MIG wire / 33lb. spools Award Notice · Naval Sea Systems Command (Navy) —
Weld rod Award Notice · Land and Maritime (DLA) —
Transformer, power Award Notice · Land and Maritime (DLA) · SPE7M126T296M —
Transformer, power Solicitation · Land and Maritime (DLA) · SPE7M126U6668
Transformer, power Solicitation · Land and Maritime (DLA) · SPE7M126U6662
Table Press-Bench Vise-Table Weld Award Notice · Land and Maritime (DLA) · SPMYM226P0284 —
Corrosion Removal Laser Equipment Solicitation · Air Force Test Center (AFMC)
3439 brand name - electrode welding Solicitation · Naval Supply Systems Command (Navy)
Combined Synopsis/Solciitation: 3x Welding Rigs Solicitation · Coast Guard
Rod, welding (level 1) Award Notice · Land and Maritime (DLA) —
Trailer - Mounted Diesel Engine Driven (DED) Welder Solicitation
Soldering station Award Notice · Construction and Equipment (DLA) —
High Purity Alloy Material for Brazing Solicitation · Office of Science
Circuit breaker Solicitation · Land and Maritime (DLA) · SPE7M126U5677
Welders Solicitation · Land and Maritime (DLA)
Pinnacle stud gun Award Notice · Land and Maritime (DLA) —
Table Press-Bench Vise-Table Weld Solicitation · Land and Maritime (DLA) · SPMYM226Q0176
Welding Booth and Equipment Solicitation · Naval Sea Systems Command (Navy)
Cobot Award Notice · Land and Maritime (DLA) —
Show 40 more

Latest 50 of 3,721 listed here. See the rest on GovTribe.

Size standard history

Federal Register rules that named this code

Final rule Published Effective
Small Business Size Standards for Manufacturing 81 FR 4469 · 3245-AG50
Small Business Size Standards; Adoption of Size Standards by 2002 North American Industry Classification System for Size Standards 67 FR 56905 · 3245-AF00
Small Business Size Regulations; Size Standards and the North American Industry Classification System 65 FR 30836

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 333992?

NAICS 333992 is Welding and Soldering Equipment Manufacturing, a national industry in NAICS 31-33, Manufacturing.

What is the NAICS code for welding equipment manufacturing?

The NAICS code for welding equipment manufacturing is 333992, Welding and Soldering Equipment Manufacturing.

What is the NAICS code for arc welding equipment manufacturing?

The NAICS code for arc welding equipment manufacturing is 333992, Welding and Soldering Equipment Manufacturing.

What is the NAICS code for gas welding equipment manufacturing?

The NAICS code for gas welding equipment manufacturing is 333992, Welding and Soldering Equipment Manufacturing.

When did the size standard for NAICS 333992 last change?

The most recent Federal Register rule on record that names NAICS 333992 in the SBA's size standards is "Small Business Size Standards for Manufacturing" (81 FR 4469), published Jan 26, 2016 and effective Feb 26, 2016.

How much do federal agencies spend under NAICS 333992?

Federal contracts under NAICS 333992 obligated $33,989,086 in fiscal year 2025 and $117,172,017 in fiscal years 2023 through 2027.

Who are the largest contractors under NAICS 333992?

The contractors with the most obligated under NAICS 333992 in fiscal years 2026 and 2027 are Wright Tool Company, LLC ($3,463,188); Science & Technology Corporation ($2,392,534); and Surface Engineering & Alloy Company, Inc. ($1,728,644).

Which agencies buy the most under NAICS 333992?

The agencies that obligated the most under NAICS 333992 in fiscal years 2026 and 2027 are Department of the Army ($10,370,090), Defense Logistics Agency ($7,110,383) and Department of the Navy ($5,358,527).

Which PSC codes are used with NAICS 333992?

The PSC codes with the most obligated under NAICS 333992 in fiscal years 2026 and 2027 are 3439 Miscellaneous Welding, Soldering, and Brazing Supplies and Accessories; 5130 Hand Tools, Power Driven; and 3431 Electric Arc Welding Equipment.

Where is the work under NAICS 333992 performed?

By place of performance, the states with the most contract obligations under NAICS 333992 over the last 12 months are Michigan ($3,865,738), Florida ($3,598,359) and Maryland ($2,810,237).

What is the latest contract opportunity under NAICS 333992?

The latest contract opportunity under NAICS 333992 is Welding qualification test kit, award notice from Construction and Equipment (DLA), posted November 12, 2026.

On GovTribe

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