National Lumber Grades Authority

What National Lumber Grades Authority does

The National Lumber Grades Authority (NLGA), headquartered in Ottawa, Ontario, is the sole recognized rules writing body for lumber grades and standards in Canada. The organization establishes, issues, publishes, amends, and interprets Canadian lumber grading rules and standards, including the National Grading Rule for Dimension Lumber (NGR), which sets standard grades and grade names for all commercial species of dimension lumber. NLGA also maintains six Special Product Standards (SPS 1-6) covering fingerjoined, machine graded, and face-glued lumber, and conducts ongoing species properties monitoring for S-P-F, DFir-L (N), and Hem-Fir (N) species groups to verify structural design values.

The NLGA Grading Rule is approved and enforced by the Canadian Lumber Standards Accreditation Board (CLSAB) for Canadian Standard Lumber and by the American Lumber Standard Committee (ALSC) Board of Review for American Standard Lumber, enabling acceptance of dimension lumber under both Canadian and American building codes. CSA O86 Technical Committee approval of NLGA-established design values extends recognition to the Canadian engineering design ecosystem, and international code bodies extend reach beyond North America. NLGA's membership consists of all independent lumber grading agencies operating in Canada (accredited by CLSAB and ALSC), including regional bodies spanning British Columbia to Atlantic Canada.

NLGA generates revenue primarily through direct publication sales via its bilingual website (nlga.org), offering printed manuals and the Standard Grading Rules at unit prices ranging from approximately $12 to $30 CAD, with free PDF sections available for personal reference. The organization is governed as a membership body without external investors or public listing, serving lumber producers, builders, designers, engineers, grading agencies, and building code authorities. Standardization is enforced through accreditation, not commercial contracts, making the standards effectively mandatory for code compliance.

Name

National Lumber Grades Authority

Legal name

National Lumber Grades Authority

Website

https://nlga.org

Company type

Private

Operating status

Operating

Headcount range

11–50 employees

Short description

National Lumber Grades Authority is Canada's sole recognized rules writing body for lumber grades and standards, establishing the National Grading Rule and Special Product Standards that enable cross-border acceptance of dimension lumber under Canadian and American building codes.

Ownership category

akta.pro rank

Product category

Lumber Grading Standards

NAICS

Support Activities for Forestry (1153)

SIC

Forestry (800)

akta.pro primary industry

Wood Grading, Testing & Certification Services (IMAMABAK)

akta.pro secondary industry

Construction Codes & Building Standards Publishing (MPAJACAH)

Keywords

• Lumber grading standards
• Dimension lumber rules
• Structural design values
• Wood product standards
• Lumber grading manuals

Headquarters

HQ city

Vancouver

HQ country

Canada

HQ region

North America

Offices1 record

Markets served

GTM type

B2B

Offering type

Services

Cost components

Personnel, Operations, Others

Revenue model

1. Publication Sales: Sale of published standards documents including NLGA Standard Grading Rules for Canadian Lumber, Canadian Lumber Grading Manual, Lumber Grading Reference Manual, and Special Product Standards (SPS 1-6) publications.

Pricing tiers

Distribution channels2 records

Marketing channels2 records

Core offering

National Lumber Grades Authority (NLGA) is the only recognized rules-writing body for lumber grades and standards in Canada. It establishes, issues, publishes, amends, and interprets Canadian lumber grading rules and standards, including the National Grading Rule (NGR) for dimension lumber and Special Product Standards (SPS 1-6) for fingerjoined, machine graded, and face-glued lumber. NLGA also establishes and monitors structural lumber design values for Canadian species used under both Canadian and American building codes.

Differentiator

Problem solved

Functional benefit

Products and services

• NLGA Standard Grading Rules for Canadian Lumber (2025 Edition) The principal Canadian lumber grading rules publication incorporating the National Grading Rule (NGR) for Dimension Lumber, establishing standard grades and grade names for all commercial species of dimension lumber. Sold in spiral-bound print form for lumber producers, grading agencies, builders, designers, and engineers.
• Canadian Lumber Grading Manual (2024 edition) An information resource for grading students and industry users covering Canadian lumber grading principles and practices.
• NLGA Lumber Grading Reference Manual (2026 edition) Reference manual for practicing lumber graders and graders-in-training, used by accredited grading agencies and mills.
• NLGA Special Product Standards (SPS 1-6) Suite of Special Product Standards covering fingerjoined structural lumber (SPS 1), machine graded lumber (SPS 2), fingerjoined vertical stud use only lumber (SPS 3), fingerjoined machine graded lumber (SPS 4), face-glued lumber (SPS 5), and structural face-glued lumber (SPS 6). Available as free PDF downloads from the NLGA website.
• Supplements to NLGA Standard Grading Rules Periodic supplements issued by NLGA to amend the current edition of the Standard Grading Rules for Canadian Lumber, including revisions to specific paragraphs and NGR interpretations.

Quantifiable outcome

• Ensures uniform design criteria and performance for dimension lumber across Canada and the US

Segments4 records

Ideal customer profiles4 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature4 records

Partnerships

15 partnerships are on record, tiered core and minor.

• American Lumber Standard Committee, Incorporated (ALSC)coreStrategic or Co-development PartnerALSC approves and enforces the NLGA Grading Rule for American Standard Lumber. This approval enables acceptance of dimension lumber graded in accordance with NLGA rules for structural use under American building codes.
• Canadian Lumber Standards Accreditation Board (CLSAB)coreStrategic or Co-development PartnerCLSAB approves and enforces the NLGA Grading Rule for Canadian Standard Lumber, providing accreditation for independent lumber grading agencies operating in Canada.
• CSA O86 Technical Committee on Engineering Design in WoodcoreStrategic or Co-development PartnerCSA O86 Technical Committee on Engineering Design in Wood approves the structural lumber design values established by NLGA for use in Canada.
• Canadian Wood CouncilminorOthersReferenced for further information on Canadian lumber and design values. NLGA directs users to Canadian Wood Council website for additional wood products and lumber information.
• FPInnovationsminorOthersFPInnovations is a related organization that conducts research in the forest products sector, supporting the lumber industry.
• Alberta Forest Products AssociationcoreStrategic or Co-development PartnerNLGA membership consists of all independent lumber grading agencies operating in Canada accredited by CLSAB and ALSC that oversee grading activities of certified Canadian lumber producing facilities.
• Canadian Mill Services AssociationcoreStrategic or Co-development PartnerNLGA member agency - Canadian Mill Services Association provides lumber grading services and inspection.
• Canadian Softwood Inspection Agency, Inc.coreStrategic or Co-development PartnerNLGA member agency - Canadian Softwood Inspection Agency, Inc. and Macdonald Inspection Services provide lumber grading and inspection services.
• Central Forest Products Association Inc.coreStrategic or Co-development PartnerNLGA member agency - Central Forest Products Association Inc. provides lumber grading services in Saskatchewan.
• Maritime Lumber BureaucoreStrategic or Co-development PartnerNLGA member agency - Maritime Lumber Bureau provides lumber grading services in Atlantic Canada.
• Newfoundland & Labrador Lumber Producers AssociationcoreStrategic or Co-development PartnerNLGA member agency - Newfoundland & Labrador Lumber Producers Association provides lumber grading services in Newfoundland and Labrador.
• Ontario Forest Industries AssociationcoreStrategic or Co-development PartnerNLGA member agency - Ontario Forest Industries Association (home of CLA Grading & Inspection) provides lumber grading and inspection services in Ontario.
• Ontario Lumber Manufacturers AgencycoreStrategic or Co-development PartnerNLGA member agency - Ontario Lumber Manufacturers Agency provides lumber grading services in Ontario.
• Pacific Lumber Inspection BureaucoreStrategic or Co-development PartnerNLGA member agency - Pacific Lumber Inspection Bureau provides lumber grading services in British Columbia and Washington state.
• Québec Forest Industry CouncilcoreStrategic or Co-development PartnerNLGA member agency - Québec Forest Industry Council (Conseil de l'industrie forestière du Québec) provides lumber grading services in Quebec.

Scale indicators3 records

Recent moves6 records

Expansion highlights4 records

Others

• FPInnovations: FPInnovations is the Canadian forest-products research organization referenced as a research partner of NLGA. It supplies the underlying technical and species-property research that feeds NLGA's standards work, functioning as an upstream enabling organization rather than a competing rules body.
• ASTM International: ASTM International develops voluntary consensus standards that intersect with wood products and lumber testing. NLGA references ASTM-aligned criteria in its grading rules (e.g., PS 20 harmonization), making ASTM an adjacent standards ecosystem rather than a direct competitor.

Broad incumbents

• Canadian Wood Council: The Canadian Wood Council represents the broader Canadian wood products industry, promotes wood design, and participates in building code development. It serves as a complementary industry-wide body that channels NLGA standards into design guidance and code advocacy.
• CSA Group: CSA Group develops the O86 Engineering Design in Wood standard whose Technical Committee approves NLGA's structural design values. CSA is a far broader standards organization that encompasses but is not limited to the wood standards NLGA supports.
• American Lumber Standard Committee (ALSC): ALSC is the US oversight body that accredits and enforces NLGA's grading rule for American Standard Lumber, alongside Canadian CLSAB. Although not a direct rules writer, it sets and accredits the framework NLGA operates within and is the institutional counterparty to NLGA's US acceptance.

Direct peers

• Western Wood Products Association: WWPA is the US lumber grading rules writing body for Western species, mirroring NLGA's role in Canada. Both organizations publish grade rules, maintain design values, and coordinate with ALSC for code acceptance, making WWPA the closest functional counterpart to NLGA.
• Canadian Lumber Standards Accreditation Board (CLSAB): CLSAB is the Canadian counterpart that accredits NLGA grading agencies and enforces the NLGA Grading Rule for Canadian Standard Lumber. While CLSAB handles accreditation rather than rule writing, it shares governance and oversight functions over the Canadian lumber grading system alongside NLGA.
• Northeastern Lumber Manufacturers Association: NELMA is the rules writing agency for Northeastern lumber species in the US, publishing grade rules recognized by ALSC. Its species-specific rule-setting function and ALSC enforcement model directly parallel NLGA's Canadian framework.
• Southern Pine Inspection Bureau: SPIB develops, maintains, and publishes grading rules for Southern Pine dimension lumber under ALSC accreditation. Like NLGA, it is a lumber grading rules writing body whose output is enforced by ALSC and referenced in US building codes.
• APA - The Engineered Wood Association: APA develops standards, grade marks, and code-recognized performance criteria for engineered wood products (plywood, OSB, LVL, glulam). It overlaps with NLGA's SPS 1-6 scope on engineered lumber and competes for code-embedded authority over structural wood categories.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights7 records

Customer concentration

Revenue estimate

Valuation estimate

Number of profiles

Profiles1 record

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about National Lumber Grades Authority