33291 - Metal Valve Manufacturing

The NAICS code 33291 plays a crucial role in identifying businesses in the manufacturing sector specializing in metal valves. Whether you are a contractor, supplier, or entrepreneur, understanding the scope and specifics of this code can help you navigate government contracts, industry standards, and market opportunities effectively.

---

What is NAICS Code 33291 - Metal Valve Manufacturing?

NAICS 33291 designates the industry comprising establishments primarily engaged in manufacturing metal valves. This includes a wide variety of valve types made from metals such as steel, iron, brass, and aluminum. Common valves under this classification include:

• Gate valves
• Globe valves
• Plug valves
• Check valves

These valves are essential components used in plumbing systems, industrial processes, fluid control systems, and numerous other applications.

---

Sector Overview: Manufacturing

NAICS 33291 falls under the Manufacturing sector, which includes businesses that produce goods using labor, machines, and chemical or biological processing. Businesses classified under metal valve manufacturing are critical suppliers to industries such as:

• Oil and gas
• Water treatment
• Chemical manufacturing
• HVAC systems
• Power generation

---

Typical Business Activities under NAICS 33291

Companies under this classification typically engage in activities such as:

• Designing and fabricating industrial metal valves
• Producing plumbing valves suitable for residential or commercial plumbing
• Manufacturing custom fluid control valves for specialized industrial applications
• Assembling valves with metal components ensuring compliance with industry standards

---

Size Standards for NAICS Code 33291

For small business eligibility, the U.S. Small Business Administration (SBA) sets size standards based on revenue or number of employees:

NAICS Code	Industry Title	Size Standard (Employees)	Size Standard (Annual Receipts)
33291	Metal Valve Manufacturing	1,250 employees	$38.5 million (varies by sub-industry)

Note: Eligibility for small business contracts depends on meeting or falling below these thresholds.

---

Examples of Businesses under NAICS 33291

• Industrial Valve Manufacturers: Companies designing large-scale valves for gas pipelines and refineries.
• Plumbing Valve Producers: Businesses manufacturing valves for water supply and drainage systems.
• Fluid Control Valve Fabricators: Specialists producing precision valves for chemical processing or HVAC applications.

Some notable companies in this NAICS category include Crane Co., Velan Inc., and Mueller Water Products, although businesses range from small fabricators to multinational manufacturers.

---

NAICS 33291 Code Details Table

Attribute	Details
NAICS Code	33291
Title	Metal Valve Manufacturing
Sector	Manufacturing
Definition	Establishments primarily engaged in manufacturing metal valves such as gate, globe, plug, and check valves
Typical Products	Metal valves for plumbing, industrial, and fluid control applications
Size Standards	1,250 employees or $38.5 million in annual receipts (varies)
Common Business Types	Industrial valve manufacturers, plumbing valve producers, fluid control valve fabricators

---

Frequently Asked Questions (FAQ)

What types of valves are covered under NAICS 33291?

This industry includes metal gate, globe, plug, and check valves used in plumbing, industrial processes, and fluid management.

Is NAICS 33291 limited to certain metals?

No, it includes valves manufactured from various metals such as steel, brass, iron, and aluminum.

Which industries use metal valves manufactured under this NAICS code?

Key industries include oil and gas, water utilities, chemical plants, HVAC, and power generation facilities.

How can knowing this NAICS code help my business?

Understanding NAICS 33291 can aid in targeting government contracts, industry research, partnership opportunities, and complying with classification standards.

What are the SBA size standards for NAICS 33291 to qualify as a small business?

Typically, businesses with 1,250 or fewer employees or under approximately $38.5 million in annual receipts qualify as small businesses under this classification.

---

Conclusion

NAICS code 33291 - Metal Valve Manufacturing is essential for businesses involved in producing critical metal valves used across various industries. By understanding the scope, sector, size standards, and examples of companies falling under this code, manufacturers and suppliers can better position themselves in competitive markets and government contracting arenas.

Stay informed, target the right opportunities, and leverage NAICS 33291 to grow your metal valve manufacturing enterprise!