321114 - Wood Preservation

When it comes to ensuring the longevity and durability of wood used in various applications—from construction to railroad infrastructure—NAICS code 321114 plays a critical role. Known as Wood Preservation, this industry is essential for protecting wood from decay, insects, and environmental damage through specialized treatment processes. If your business is involved in wood preservation or considering entering this sector, understanding this NAICS code is vital for government contracting, compliance, and market research.

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What is NAICS Code 321114: Wood Preservation?

NAICS Code 321114 describes establishments primarily engaged in treating wood to protect it from decay, insects, and other damaging elements. This includes a range of preservation methods such as:

• Pressure treating
• Chemical treating
• Creosoting
• Other specialized wood preservation techniques

These processes help extend the useful life of wood products, making them safer and more durable in demanding applications.

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Sector Overview: Manufacturing

This industry falls under the broad Manufacturing sector. Businesses classified under NAICS 321114 manufacture and treat wood products for use in infrastructure, mining, construction, and railroad applications among others.

Typical Business Activities Include:

• Manufacturing pressure-treated lumber
• Wood treating and preserving services
• Chemical wood preservation facilities

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Size Standards for NAICS 321114

To be eligible under government contracting standards, businesses classified under NAICS 321114 typically have a size standard of 550 employees. This means companies with 550 or fewer employees are generally considered small businesses for this industry.

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Examples of Businesses Under NAICS 321114

• Pressure-treated lumber manufacturers supplying construction and outdoor wood products
• Facilities specializing in chemical treatment and preservation of wood
• Companies that creosote wood products such as railroad ties and fence posts
• Businesses providing wood treating services for marine and foundation pilings

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Detailed NAICS 321114 Code Description Table

Wood Preservation Activities	Description
Bridge and trestle parts, wood, treating	Treating wood for structural bridge and trestle parts
Creosoting of wood	Applying creosote preservative to wood products
Crossties, treating	Treating wood railroad crossties
Flooring, wood block, treating	Preserving wood block flooring
Millwork, treating	Treating custom wood millwork
Mine props, treating	Preservation of wood mine support props
Mine ties, wood, treated, manufacturing	Manufacturing and treating wood ties for mining
Pilings, foundation and marine construction, treating	Treating pilings for marine and foundation use
Pilings, round wood, cutting and treating	Cutting and treating round wood pilings
Pilings, wood, treating	General wood piling treatment
Poles, round wood, cutting and treating	Processing and treating round wood poles
Poles, wood, treating	Treating wood poles
Posts, round wood, cutting and treating	Processing and treating round wood posts
Posts, wood, treating	Treating wood posts
Preserving purchased wood and wood products	Treatment of purchased wood products
Pressure treated lumber made from purchased lumber	Pressure treating lumber sourced from other manufacturers
Railroad ties (bridge, cross, switch) treating	Treating various types of railroad ties
Structural lumber and timber, treating	Preserving structural wood products
Ties, wood railroad bridge, cross, and switch, treating	Treating railroad bridge and switching ties
Timber, structural, treating	Treating structural timber
Treating purchased wood and wood products	General wood preservation treatment services
Treating wood products with creosote or other preservatives	Applying preservatives such as creosote
Trestle parts, wood, treating	Preserving wood trestle parts
Wood fence (pickets, poling, rails), treating	Treatment of wood fences
Wood products, creosoting purchased wood products	Creosoting services on purchased wood products

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Frequently Asked Questions (FAQ)

What does NAICS 321114 cover?

NAICS 321114 covers establishments primarily engaged in wood preservation, including pressure treating, chemical treating, and creosoting of wood to protect it from insects, decay, and environmental damage.

Which sector does this code belong to?

This NAICS code is part of the Manufacturing sector.

What is the size standard for small businesses in this industry?

Small businesses under NAICS 321114 typically have 550 or fewer employees.

Can this code be used for pressure-treated lumber manufacturing?

Yes, pressure-treated lumber manufacturing is a key business activity under NAICS 321114.

What are common wood products treated under this industry?

Products include railroad ties, fence posts, pilings, mine props, flooring, structural lumber, and millwork.

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Conclusion

NAICS code 321114 - Wood Preservation is a critical industry classification for businesses engaged in protecting and extending the life of wood products. From pressure treating lumber to creosoting railroad ties, companies in this sector contribute to safer, more durable wood infrastructure. If you are involved in wood treatment or preservation, understanding this NAICS code will help align your business with industry standards and government contracting opportunities.

Use this guide as a comprehensive resource to navigate the wood preservation manufacturing landscape and optimize your market positioning.