NAICS 332919 Quarterly Industry Report
Other Metal Valve and Pipe Fitting Manufacturing
Comprehensive industry research for valuation professionals, business owners, buyers, and lenders
NAICS Code: 332919Sector: 33Updated: Q1 2026
About This Report
This report covers NAICS 332919 (Other Metal Valve and Pipe Fitting Manufacturing) compiled by Fair Market Value using data from the U.S. Census Bureau[5] and Bureau of Labor Statistics[6]. Industry data reflects 2022 NAICS classifications verified against government statistical sources. This report is updated quarterly as new Census and BLS data becomes available. Additional data is drawn from SBA[7].. NAICS 332919 analysis supports business valuations, M&A due diligence, and lending decisions.
Industry Snapshot
Key metrics for the other metal valve and pipe fitting manufacturing industry.
Industry Definition & Overview
Other Metal Valve and Pipe Fitting Manufacturing (NAICS 332919) encompasses establishments primarily engaged in manufacturing metal valves, pipe fittings, flanges, unions, and related products not classified under industrial valves (332911), fluid power valves (332912), or plumbing fixture fittings (332913). Per the Census Bureau 2022 NAICS classification[5], this category captures the remaining metal valve and fitting production within Industry Group 3329. Products serve infrastructure, plumbing, HVAC, fire protection, and industrial piping applications. The industry includes both commodity fittings and specialty engineered products.
Manufacturing processes include casting, forging, machining, threading, and assembly of brass, steel, iron, copper, and stainless steel components. Facilities range from foundry-integrated operations producing cast fittings to machining shops converting bar stock into threaded fittings and small valves. Quality requirements follow ASTM, ASME, and NSF standards depending on application. Water contact products must meet lead-free requirements under the Safe Drinking Water Act.
Demand drivers include construction activity, municipal water infrastructure investment, industrial plant maintenance, and fire protection system installation. Import competition from China, Mexico, and other low-cost producers pressures commodity product segments. Per BLS data[6], fabricated metal product manufacturing supports a substantial employment base nationally. Geographic concentration follows industrial and construction market density, with production facilities clustered in the Midwest, Gulf Coast, and Eastern states.
What's Included in This Industry
- Metal pipe fittings including elbows, tees, reducers, and couplings
- Flanges and flange fittings for pipe connections
- Unions, bushings, and nipples
- Fire hydrant manufacturing
- Plumbing brass goods and rough brass fittings
- Iron and steel pipe fittings
- Copper and brass pipe fittings
- Stainless steel pipe fittings and specialty alloy products
- Valve bodies and components not elsewhere classified
- Compression fittings and push-to-connect fittings
NAICS Classification Hierarchy
| Level | Description | Code |
|---|---|---|
| Subsector | Fabricated Metal Product Manufacturing | 332 |
| Industry Group | Other Fabricated Metal Product Manufacturing | 3329 |
| NAICS Industry | Metal Valve Manufacturing | 33291 |
| National Industry | Other Metal Valve and Pipe Fitting Manufacturing | 332919 |
Related NAICS Codes
| Code | Description | Relationship |
|---|---|---|
| 332911 | Industrial Valve Manufacturing | Industrial Valve Manufacturing produces industrial control and water works valves, while NAICS 332919 covers pipe fittings, flanges, and specialty valves not classified under the industrial valve category. |
| 332912 | Fluid Power Valve and Hose Fitting Manufacturing | Fluid Power Valve and Hose Fitting Manufacturing produces hydraulic and pneumatic valves for machinery, while 332919 covers broader pipe fittings and valves for plumbing, HVAC, and infrastructure. |
| 332913 | Plumbing Fixture Fitting and Trim Manufacturing | Plumbing Fixture Fitting and Trim Manufacturing produces consumer-facing plumbing products like faucets, while 332919 covers behind-the-wall pipe fittings and rough plumbing components. |
| 332710 | Machine Shops | Machine Shops provide contract CNC machining services for valve bodies, fitting blanks, and specialty components, serving as subcontractors to pipe fitting manufacturers. |
| 331110 | Iron and Steel Mills and Ferroalloy Manufacturing | Iron and Steel Mills supply raw steel, cast iron, and alloy materials used in manufacturing pipe fittings, flanges, and valve bodies through foundry and machining operations. |
| 331420 | Copper Rolling, Drawing, Extruding, and Alloying | Copper Rolling, Drawing, Extruding, and Alloying provides brass and copper alloy materials used in plumbing fittings, rough brass goods, and specialty copper pipe fittings. |
Geographic Concentration
Top states by share of national establishments.
| # | State | % Est. | Total Est. |
|---|---|---|---|
| 1 | Texas | 20.7% | 40 |
| 2 | California | 11.4% | 22 |
| 3 | Pennsylvania | 9.8% | 19 |
| 4 | Illinois | 9.8% | 19 |
| 5 | Michigan | 7.8% | 15 |
| 6 | Ohio | 6.7% | 13 |
| 7 | South Carolina | 3.6% | 7 |
| 8 | New Jersey | 3.6% | 7 |
| 9 | Oklahoma | 3.1% | 6 |
| 10 | Florida | 3.1% | 6 |
% Of Establishments
0%
21%
Source: County Business Patterns, U.S. Census Bureau[3]
SBA Lending Summary
40
Total SBA Loans
$14.3M
Total Loan Volume
$359K
Average Loan Size
13 yrs
Average Loan Term
9.75%
Average Interest Rate
480
Jobs Supported
Source: SBA 7(a) Program Data, U.S. Small Business Administration — FY 2025[4]
Key Insight: The SBA size standard for NAICS 332919 is 500 employees[8]. Businesses with 500 or fewer average employees qualify as small businesses for federal contracting and SBA loan programs. Manufacturers can access SBA 7(a) loans[9] for equipment, working capital, and facility improvements. SBA 504 loans provide fixed-rate financing for foundry equipment, machining centers, and facility expansion. Federal contracting set-asides offer procurement opportunities for qualifying small manufacturers.
Top SBA Lenders
| # | Lender | Loans | Volume | Avg Loan |
|---|---|---|---|---|
| 1 | Georgia's Own Credit Union | 8 | $7.2M | $902K |
| 2 | Meridian Bank | 8 | $4.0M | $500K |
| 3 | Zions Bank, A Division of | 16 | $2.3M | $146K |
| 4 | The Huntington National Bank | 8 | $800K | $100K |
Frequently Asked Questions
Common questions about this industry.
What types of businesses are classified under NAICS 332919?
NAICS 332919 includes manufacturers of metal pipe fittings, flanges, unions, fire hydrants, rough brass goods, and specialty valves not classified elsewhere. Businesses range from foundry-integrated operations producing cast fittings to machining shops converting bar stock into threaded components.
How is NAICS 332919 structured within the manufacturing sector?
NAICS 332919 is part of Industry Group 3329 (Other Fabricated Metal Product Manufacturing) within Subsector 332. Per the Census Bureau[5], this is the residual category capturing metal valve and fitting production not covered by industrial valves (332911), fluid power valves (332912), or plumbing fixture fittings (332913).
What is the SBA size standard for NAICS 332919?
The SBA size standard for NAICS 332919 is 500 employees[8]. Businesses averaging 500 or fewer employees over 24 months qualify as small businesses for SBA loans and federal contracting.
How does NAICS 332919 differ from related valve and fitting codes?
NAICS 332919 is the residual category for metal valves and pipe fittings. NAICS 332911 covers industrial process valves. Many 332912 covers fluid power valves. NAICS 332913 covers plumbing fixture fittings. Products in 332919 include pipe fittings, flanges, fire hydrants, and valves not fitting those three specific categories.
What industries are primary customers for metal pipe fittings?
Primary customers include construction contractors, plumbing wholesalers, municipal water utilities, industrial plant operators, HVAC contractors, and fire protection system installers. Per BLS data[6], fabricated metal products serve infrastructure, construction, and industrial maintenance markets.
What specific products are included in NAICS 332919?
Products include pipe elbows, tees, reducers, couplings, flanges, unions, bushings, nipples, fire hydrants, rough brass goods, compression fittings, push-to-connect fittings, and specialty metal valve components. Materials include cast iron, carbon steel, stainless steel, brass, and copper alloys.
Are NAICS 332919 manufacturers eligible for SBA loans?
Yes, manufacturers meeting the 500-employee threshold qualify for SBA 7(a) loans[9] and 504 loans for equipment, foundry upgrades, and facility expansion. Federal contracting set-asides also provide procurement opportunities for qualifying small businesses.
Where are metal pipe fitting manufacturers geographically concentrated?
Production concentrates in the Midwest, Gulf Coast, and Eastern states where proximity to industrial customers and construction markets supports the industry. Per BLS data[6], states with strong fabricated metal manufacturing bases (Ohio, Texas, Pennsylvania, Illinois) support pipe fitting production clusters.
Sources & References
Government datasets and editorial sources used in this report.
- [1]U.S. Bureau of Labor Statistics, Quarterly Census of Employment and Wages bls.gov
- [2]U.S. Census Bureau, Economic Census census.gov
- [3]U.S. Census Bureau, County Business Patterns census.gov
- [4]U.S. Small Business Administration, SBA 7(a) Loan Program Data data.sba.gov
- [5]Census Bureau 2022 NAICS classification census.gov
- [6]BLS data bls.gov
- [7]SBA sba.gov
- [8]SBA size standard for NAICS 332919 is 500 employees sba.gov
- [9]SBA 7(a) loans sba.gov
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