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NAICS 321114 Quarterly Industry Report

Wood Preservation

Comprehensive industry research for valuation professionals, business owners, buyers, and lenders

NAICS Code: 321114Sector: 32Updated: Q1 2026

About This Report

This Fair Market Value industry report for NAICS 321114 provides business owners, acquirers, and financial advisors with data-driven valuation insights for the wood preservation sector, drawing on data from the U.S. Census Bureau[5] and EPA[6] regulatory records. Additional data is drawn from Bureau of Labor Statistics[9].. The report aggregates transaction multiples, financial benchmarks, and market trends specific to NAICS 321114 establishments, supporting buy-sell agreements, succession planning, SBA-financed acquisitions, and litigation support engagements.

Industry Snapshot

Key metrics for the wood preservation industry.

Establishments
452
2024 annual average[1]
5-Year Growth
-12.3%
Establishment count, 2017–2022[2]
Avg. SBA Loan
$84K
7(a) program, FY 2025[4]
Industry Revenue
$10M
2022 Economic Census[2]
Share of Sector
0.4%
By establishment count, 2022 Census[2]
NAICS Sector
32

Industry Definition & Overview

Wood Preservation (NAICS 321114) encompasses establishments primarily engaged in treating wood sawed, planed, or shaped in other establishments with creosote or other preservatives to prevent decay and protect against fire and insects. The industry also includes establishments that saw round wood poles, pilings, and posts and treat them with preservatives. According to the U.S. Census Bureau[5], the sector generates approximately $6.5 billion in annual revenue from several hundred active establishments, serving construction, utility, railroad, agricultural, and marine markets that require wood products with extended outdoor service life. Pressure-treated lumber for residential deck and fence construction represents the largest product segment by volume, while utility poles, railroad ties, and marine pilings serve infrastructure markets with specialized treatment requirements. Treatment chemicals have shifted away from chromated copper arsenate toward alkaline copper quaternary and copper azole formulations for residential applications following EPA[6] restrictions on arsenic-containing treatments. Per Bureau of Labor Statistics[7] data, production employment includes chemical handling specialists, treatment plant operators, and quality control technicians who monitor preservative retention levels and penetration depths required by American Wood Protection Association standards. The SBA Office of Advocacy[8] notes that the industry includes both large national treaters operating multiple facilities and smaller regional operations serving local lumber yards and construction supply accounts. Environmental compliance costs related to chemical handling, stormwater management, and treated wood waste disposal represent meaningful operating expenses that vary by state regulatory framework and treatment chemical used.

What's Included in This Industry

  • Valuation multiples benchmarked to wood preservation and treating operations
  • Revenue and EBITDA trends for pressure-treated lumber and pole producers
  • SBA lending data and financing terms for NAICS 321114
  • Comparable transaction data from recent wood treatment plant acquisitions
  • Industry risk factors including chemical regulatory changes and environmental liability
  • Workforce composition and labor cost benchmarks for treatment plant operators
  • Regional market analysis covering domestic wood preservation facility locations
  • Environmental compliance cost analysis for chemical treatment operations
  • Growth projections tied to residential construction and infrastructure replacement cycles
  • Owner compensation and discretionary earnings benchmarks

NAICS Classification Hierarchy

NAICS classification hierarchy for 321114
LevelDescriptionCode
SubsectorWood Product Manufacturing321
Industry GroupSawmills and Wood Preservation3211
NAICS IndustrySawmills and Wood Preservation32111
National IndustryWood Preservation321114

Related NAICS Codes

Related NAICS codes and their relationships
CodeDescriptionRelationship
321113SawmillsSawmills producing the untreated lumber and posts that serve as the primary raw material input for wood preservation treatment operations
321999All Other Miscellaneous Wood Product ManufacturingAll other miscellaneous wood product manufacturers producing specialty wood items that may require preservative treatment for outdoor applications
325320Pesticide and Other Agricultural Chemical ManufacturingPesticide and other agricultural chemical manufacturers producing wood preservative chemicals including copper-based and borate treatment compounds
423310Lumber, Plywood, Millwork, and Wood Panel Merchant WholesalersLumber and millwork merchant wholesalers distributing pressure-treated lumber products to retail yards and construction supply accounts
444110Home CentersHome improvement centers retailing pressure-treated lumber, posts, and fencing materials for residential deck and outdoor construction projects
237130Power and Communication Line and Related Structures ConstructionPower and communication line construction contractors consuming treated utility poles as a primary infrastructure material for electric and telephone systems

Geographic Concentration

Top states by share of national establishments.

Top 10 states by establishment share for Wood Preservation
#State% Est.Total Est.
1North Carolina
7.1%
24
2Georgia
6.2%
21
3Texas
5.6%
19
4Alabama
5.6%
19
5Florida
5.3%
18
6Virginia
5.3%
18
7Pennsylvania
5.0%
17
8Oregon
4.7%
16
9California
4.7%
16
10Mississippi
4.1%
14
Source: County Business Patterns, U.S. Census Bureau[3]

SBA Lending Summary

40
Total SBA Loans
$3.3M
Total Loan Volume
$84K
Average Loan Size
10 yrs
Average Loan Term
10.90%
Average Interest Rate
144
Jobs Supported
Source: SBA 7(a) Program Data, U.S. Small Business Administration — FY 2025[4]
Key Insight: Wood preservation businesses seeking SBA financing typically qualify under the SBA size standards[10] for NAICS 321114, which set the threshold at 500 employees for small business classification. The SBA 7(a) loan program[11] provides up to $5 million for business acquisitions, treatment plant equipment, and working capital for lumber and chemical inventory. Market CDC/504 loan program[12] offers long-term fixed-rate financing for facility improvements, pressure cylinder installations, and environmental compliance infrastructure. Lenders evaluate EPA compliance history, chemical storage and handling permits, and environmental liability assessments when underwriting transactions.

Top SBA Lenders

Top SBA lenders by volume for this industry
#LenderLoansVolumeAvg Loan
1The Huntington National Bank16$1.6M$99K
2Northeast Bank16$1.4M$85K
3U.S. Bank, National Association8$400K$50K
View Full SBA Lending Details for NAICS 321114Includes top lenders, geographic distribution, annual trends, and loan-level analysis

Frequently Asked Questions

Common questions about this industry.

What is the typical valuation multiple for a wood preservation business?
Wood preservation operations typically trade at 4x to 7x EBITDA, with multiple treatment cylinders, clean environmental compliance records, and diversified customer bases driving premium valuations. Utility pole and railroad tie treatment operations serving infrastructure customers often command higher multiples due to contract stability. Per U.S. Census Bureau[5] data, the sector's consolidation has created acquisition opportunities as regional treaters seek growth through facility additions.
What SBA loan options are available for acquiring a wood treatment facility?
The SBA 7(a) loan program[11] provides up to $5 million for business acquisitions and equipment purchases, while the CDC/504 program[12] finances facility improvements and treatment equipment. Lenders require Phase I and Phase II environmental site assessments and review EPA compliance history, chemical handling permits, and stormwater management plans during underwriting.
How do environmental regulations affect wood preservation businesses?
The EPA[6] regulates wood preservative chemicals under the Federal Insecticide, Fungicide, and Rodenticide Act, while state environmental agencies oversee air emissions, wastewater discharge, and waste disposal from treatment facilities. Chemical transitions from chromated copper arsenate to newer formulations have required capital investment in treatment systems, and ongoing compliance with chemical storage, spill prevention, and worker exposure limits creates recurring operational costs.
What equipment is needed for wood preservation?
Core equipment includes pressure treatment cylinders capable of holding lumber or pole-length products, chemical storage tanks and mixing systems, vacuum and pressure pumps, and automated process control systems that monitor retention and penetration. Per SBA[13] lending data, treatment cylinders are the largest capital investment, with costs ranging from $200,000 to over $1 million depending on diameter and length specifications.
What are the main cost drivers for wood preservation operations?
Untreated lumber purchases represent 60-75% of total costs for residential treated lumber producers, with chemical costs adding 5-15% depending on treatment specifications. Labor, energy for pump operations and drying, and environmental compliance costs comprise the remaining operating expense categories. Per Bureau of Labor Statistics[7] data, production worker wages reflect specialized chemical handling training requirements.
What growth opportunities exist for wood preservation businesses?
Growth opportunities include residential outdoor living construction driving treated lumber demand, utility pole replacement cycles for aging electrical infrastructure, fire-retardant treated wood products for commercial construction, and emerging treatment technologies using non-toxic preservative systems. Per U.S. Census Bureau[5] construction data, deck and outdoor structure building permits continue to grow alongside home improvement spending trends.
How do treatment chemical changes affect the industry?
The transition from chromated copper arsenate to copper-based alternatives for residential applications required treatment system modifications and process adjustments across the industry. Current copper azole and alkaline copper quaternary treatments require different retention levels and exposure monitoring protocols regulated by the EPA[6], while creosote remains permitted for industrial applications including railroad ties and utility poles under specific use restrictions.
What workforce challenges do wood preservation operations face?
Key challenges include recruiting chemical treatment technicians willing to work with industrial preservative compounds, maintaining EPA-required worker exposure monitoring and training programs, and retaining experienced plant operators who understand treatment cycle optimization. Safety training requirements and chemical handling certifications add to workforce development costs.

Sources & References

Government datasets and editorial sources used in this report.

  1. [1]U.S. Bureau of Labor Statistics, Quarterly Census of Employment and Wages bls.gov
  2. [2]U.S. Census Bureau, Economic Census census.gov
  3. [3]U.S. Census Bureau, County Business Patterns census.gov
  4. [4]U.S. Small Business Administration, SBA 7(a) Loan Program Data data.sba.gov
  5. [5]U.S. Census Bureau census.gov
  6. [6]EPA epa.gov
  7. [7]Bureau of Labor Statistics bls.gov
  8. [8]SBA Office of Advocacy advocacy.sba.gov
  9. [9]Bureau of Labor Statistics bls.gov
  10. [10]SBA size standards sba.gov
  11. [11]SBA 7(a) loan program sba.gov
  12. [12]CDC/504 loan program sba.gov
  13. [13]SBA sba.gov

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