Menu Close
NAICS
NAICS Codes

Official North American industry classification system for business reporting and analysis.

NAICS Code Lookup / Directory NAICS Classification & Reference Center
SIC
SIC Codes

Established U.S. industry classification system widely used across business, reporting, analytics, and cross-dataset comparability.

SIC Code Lookup / Directory SIC Classification & Reference Center
Code Systems
Code Systems

Standard classification systems used to organize industries, products, occupations, and business identifiers across U.S. and global datasets

Industry Codes
SIC 6-Digit NAICS 8-Digit ISIC (International) NACE UKSIC ANZSIC SCIAN Français SCIAN Español
Occupational & Educational Codes
SOC Extended SOC CIP
Product Codes
NAPCS CPA HS CPC CN
Specialized Business Codes
CAGE DUNS GICS EBOPS
Classification Research Tools Center What Is a Classification System
Classification Conversion Tools
Classification Conversion Tools

Convert industry codes between classification systems

U.S Industry Codes SIC → NAICS NAICS → SIC
International Industry Codes ISIC → NAICS NAICS → ISIC
Occupational and Educational Codes CIP → SOC SOC → CIP
Industry Intelligence Center
Industry Intelligence Center

Industry research, structure, and applied insights built on governed NAICS & SIC classification standards.

Overview Industry Classification Hubs Trending Industries Applied Use Cases & Business Intelligence SIC vs NAICS (Comparisons & Context)
Governance
Governance

Governance at SICCODE.com defines how industry classification data is maintained, reviewed, and validated over time. It documents the standards, verification frameworks, and editorial controls used to ensure consistent and neutral application of NAICS and SIC classifications.

Authority & Trust Hub Classification Governance & Standards Center Our Classification Methodology Industry Classification Verification Framework Data Accuracy & Standards Alignment Editorial Neutrality Standards Industry Classification Review Team
Register My Business Login
My Profile
Das​h​board Prev​iew Busi​ness Det​ails Indu​stry Co​des S​IC & NAI​CS Ba​dge
Lo​go​ut
Products & Services
Business Lists USA Business Lists Business Lists by NAICS Business Lists by SIC New Businesses List USA Business Mailing Lists Canada Business Lists
Email Lists Email Lists by NAICS & SIC Executive Email Lists
Data Appending & Enrichment Clean & Enrich Your Company File Classification Appending NAICS Code Appending SIC Code Appending
Targeting & Classification Find Companies Like Your Customers Find Your NAICS & SIC Codes
Large Datasets U.S. Business Database Data for AI & Analytics U.S. Business Location Data Classification Data Licensing Canada Business Database
Pricing & Custom Quotes See standard pricing or tell us what data you need. See All Available Data Fields →
View Pricing & Get a Quote
Company
About SICCODE.com About SICCODE.com Why SICCODE.com Our Story & Mission How It Works Contact Us Blog
Data & Recognition About Our Business Data Business Data Dictionary Citations & Academic Recognition
Buy Business List
 
What Is an SIC 6-Digit Code?
All NAICS SIC Companies
SIC 6-Digit NAICS 8-Digit ISIC (International) NACE (Europe) SOC (Occupations) CIP (Programs) Extended SOC (O*NET)

SIC 6-Digit Codes for "naics:52"

SIC Marketing Level codes provide more specific industry categories within official 4-digit SIC classifications, supporting more precise industry segmentation, market research, and business targeting. For official SIC classification, use the 4-digit SIC code.

Search this keyword in NAICS 8-Digit codes.

companies

Verified U.S. companies available for purchase in this industry. Counts are based on primary business classifications.

Industry SIC 6-Digit U.S. companies Add

Doors-Garage (Retail)

Parent: Lumber and other Building Materials Dealers

SIC Marketing Level 5211-01 companies 7,666companies

Door & Gate Operating Devices (Retail)

Parent: Lumber and other Building Materials Dealers

SIC Marketing Level 5211-02 companies 266companies

Windows-Louvered (Retail)

Parent: Lumber and other Building Materials Dealers

SIC Marketing Level 5211-03 companies 8companies

Wallboard & Plasterboard (Retail)

Parent: Lumber and other Building Materials Dealers

SIC Marketing Level 5211-04 companies 10companies

Windows-Plastic (Retail)

Parent: Lumber and other Building Materials Dealers

SIC Marketing Level 5211-05 companies 4companies

Windows-Metal (Retail)

Parent: Lumber and other Building Materials Dealers

SIC Marketing Level 5211-06 companies 26companies

Windows (Retail)

Parent: Lumber and other Building Materials Dealers

SIC Marketing Level 5211-07 companies 4,864companies

Windows-Wood (Retail)

Parent: Lumber and other Building Materials Dealers

SIC Marketing Level 5211-08 companies 26companies

Windows-Vinyl (Retail)

Parent: Lumber and other Building Materials Dealers

SIC Marketing Level 5211-09 companies 53companies

Plumbing Fixtures & Supplies-New (Retail)

Parent: Lumber and other Building Materials Dealers

SIC Marketing Level 5211-10 companies 1,215companies

Paneling (Retail)

Parent: Lumber and other Building Materials Dealers

SIC Marketing Level 5211-11 companies 20companies

Plywood & Veneers (Retail)

Parent: Lumber and other Building Materials Dealers

SIC Marketing Level 5211-12 companies 78companies

Prefinishing (Retail)

Parent: Lumber and other Building Materials Dealers

SIC Marketing Level 5211-13 companies 3companies

Roofing Materials (Retail)

Parent: Lumber and other Building Materials Dealers

SIC Marketing Level 5211-14 companies 821companies

Shingles & Shakes (Retail)

Parent: Lumber and other Building Materials Dealers

SIC Marketing Level 5211-15 companies 8companies

Screens-Door & Window (Retail)

Parent: Lumber and other Building Materials Dealers

SIC Marketing Level 5211-16 companies 927companies

Shower Doors & Enclosures (Retail)

Parent: Lumber and other Building Materials Dealers

SIC Marketing Level 5211-17 companies 509companies

Siding Materials (Retail)

Parent: Lumber and other Building Materials Dealers

SIC Marketing Level 5211-18 companies 73companies

Shutters (Retail)

Parent: Lumber and other Building Materials Dealers

SIC Marketing Level 5211-19 companies 807companies

Storm Windows & Doors (Retail)

Parent: Lumber and other Building Materials Dealers

SIC Marketing Level 5211-20 companies 115companies

Stone-Cast (Retail)

Parent: Lumber and other Building Materials Dealers

SIC Marketing Level 5211-21 companies 85companies

Tool & Utility Sheds (Retail)

Parent: Lumber and other Building Materials Dealers

SIC Marketing Level 5211-22 companies 29companies

Brick-Used (Retail)

Parent: Lumber and other Building Materials Dealers

SIC Marketing Level 5211-23 companies 3companies

Trusses-Construction (Wholesale) (Manufacturing) (Retail)

Parent: Lumber and other Building Materials Dealers

SIC Marketing Level 5211-24 companies 170companies

Ceiling Materials (Retail)

Parent: Lumber and other Building Materials Dealers

SIC Marketing Level 5211-25 companies 6companies

Building Materials (Retail)

Parent: Lumber and other Building Materials Dealers

SIC Marketing Level 5211-26 companies 4,892companies

Marble-Natural (Retail)

Parent: Lumber and other Building Materials Dealers

SIC Marketing Level 5211-27 companies 29companies

Concrete-Ready Mixed (Retail)

Parent: Lumber and other Building Materials Dealers

SIC Marketing Level 5211-28 companies 1,528companies

Chimney Lining Materials (Retail)

Parent: Lumber and other Building Materials Dealers

SIC Marketing Level 5211-29 companies 8companies

Doors-Metal (Retail)

Parent: Lumber and other Building Materials Dealers

SIC Marketing Level 5211-30 companies 38companies

Doors (Retail)

Parent: Lumber and other Building Materials Dealers

SIC Marketing Level 5211-31 companies 2,961companies

Doors-Overhead Type (Retail)

Parent: Lumber and other Building Materials Dealers

SIC Marketing Level 5211-32 companies 394companies

Doors-Wood (Retail)

Parent: Lumber and other Building Materials Dealers

SIC Marketing Level 5211-33 companies 21companies

Doors-Glass (Retail)

Parent: Lumber and other Building Materials Dealers

SIC Marketing Level 5211-34 companies 53companies

Electric Equipment & Supplies (Retail)

Parent: Lumber and other Building Materials Dealers

SIC Marketing Level 5211-35 companies 500companies

Energy Conservation Prods Services-Systems (Retail)

Parent: Lumber and other Building Materials Dealers

SIC Marketing Level 5211-36 companies 231companies

Hardwoods (Retail)

Parent: Lumber and other Building Materials Dealers

SIC Marketing Level 5211-37 companies 392companies

Home Centers (Retail)

Parent: Lumber and other Building Materials Dealers

SIC Marketing Level 5211-38 companies 4,394companies

Thermostats (Retail)

Parent: Lumber and other Building Materials Dealers

SIC Marketing Level 5211-39 companies 4companies

Insulation Materials-Cold & Heat (Retail)

Parent: Lumber and other Building Materials Dealers

SIC Marketing Level 5211-40 companies 302companies

Medicine Cabinets (Retail)

Parent: Lumber and other Building Materials Dealers

SIC Marketing Level 5211-41 companies 76companies

Lumber (Retail)

Parent: Lumber and other Building Materials Dealers

SIC Marketing Level 5211-42 companies 2,683companies

Doors-Rolling (Retail)

Parent: Lumber and other Building Materials Dealers

SIC Marketing Level 5211-43 companies 11companies

Concrete Patching Compounds (Retail)

Parent: Lumber and other Building Materials Dealers

SIC Marketing Level 5211-44 companies 7companies

Hinges (Retail)

Parent: Lumber and other Building Materials Dealers

SIC Marketing Level 5211-45 companies 4companies

Caning Supplies (Retail)

Parent: Lumber and other Building Materials Dealers

SIC Marketing Level 5211-46 companies 3companies

Grouting Compounds (Retail)

Parent: Lumber and other Building Materials Dealers

SIC Marketing Level 5211-47 companies 11companies

Creosoted Products (Retail)

Parent: Lumber and other Building Materials Dealers

SIC Marketing Level 5211-48 companies —

Wood Preserving (Products) (Retail)

Parent: Lumber and other Building Materials Dealers

SIC Marketing Level 5211-49 companies 16companies

Boat Builders-Materials (Retail)

Parent: Lumber and other Building Materials Dealers

SIC Marketing Level 5211-51 companies 21companies

Cement (Retail)

Parent: Lumber and other Building Materials Dealers

SIC Marketing Level 5211-52 companies 460companies

Dry Wall Materials (Retail)

Parent: Lumber and other Building Materials Dealers

SIC Marketing Level 5211-53 companies 14companies

Masonry Supplies (Retail)

Parent: Lumber and other Building Materials Dealers

SIC Marketing Level 5211-54 companies 131companies

Marble-Cultured (Retail)

Parent: Lumber and other Building Materials Dealers

SIC Marketing Level 5211-55 companies 12companies

Brick-Concrete Pumice & Etc (Retail)

Parent: Lumber and other Building Materials Dealers

SIC Marketing Level 5211-57 companies 11companies

Dog Houses (Retail)

Parent: Lumber and other Building Materials Dealers

SIC Marketing Level 5211-58 companies 18companies

Drain-Tile (Retail)

Parent: Lumber and other Building Materials Dealers

SIC Marketing Level 5211-59 companies 8companies

Cement-Portland (Retail)

Parent: Lumber and other Building Materials Dealers

SIC Marketing Level 5211-60 companies 2companies

Windows-Glass Block (Retail)

Parent: Lumber and other Building Materials Dealers

SIC Marketing Level 5211-61 companies 8companies

Doors-Revolving (Retail)

Parent: Lumber and other Building Materials Dealers

SIC Marketing Level 5211-63 companies 1companies

Solid Surface Materials (Retail)

Parent: Lumber and other Building Materials Dealers

SIC Marketing Level 5211-64 companies 9companies

Panels (Retail)

Parent: Lumber and other Building Materials Dealers

SIC Marketing Level 5211-65 companies 62companies

Stone (Retail)

Parent: Lumber and other Building Materials Dealers

SIC Marketing Level 5211-66 companies 899companies

Door Assemblies (Retail)

Parent: Lumber and other Building Materials Dealers

SIC Marketing Level 5211-67 companies 2companies

Millwork (Retail)

Parent: Lumber and other Building Materials Dealers

SIC Marketing Level 5211-69 companies 84companies

Pavers-Stone Brick Interlocking Etc (Retail)

Parent: Lumber and other Building Materials Dealers

SIC Marketing Level 5211-70 companies 160companies

Roofing Materials-Metal (Retail)

Parent: Lumber and other Building Materials Dealers

SIC Marketing Level 5211-71 companies 17companies

Kitchen Counters (Retail)

Parent: Lumber and other Building Materials Dealers

SIC Marketing Level 5211-72 companies 42companies

Garages & Garage Accessories (Retail)

Parent: Lumber and other Building Materials Dealers

SIC Marketing Level 5211-75 companies 21companies

Glass-Circles & Other Special Shapes (Retail)

Parent: Paint, Glass, and Wallpaper Stores

SIC Marketing Level 5231-01 companies 21companies

Glass-Tempered (Retail)

Parent: Paint, Glass, and Wallpaper Stores

SIC Marketing Level 5231-02 companies 21companies

Glass-Stained & Leaded (Retail)

Parent: Paint, Glass, and Wallpaper Stores

SIC Marketing Level 5231-03 companies 975companies

Wallpaper Removing Equipment (Retail)

Parent: Paint, Glass, and Wallpaper Stores

SIC Marketing Level 5231-04 companies 3companies

Wall Coatings (Retail)

Parent: Paint, Glass, and Wallpaper Stores

SIC Marketing Level 5231-05 companies 18companies

Wallpapers & Wallcoverings (Retail)

Parent: Paint, Glass, and Wallpaper Stores

SIC Marketing Level 5231-06 companies 191companies

Paint (Retail)

Parent: Paint, Glass, and Wallpaper Stores

SIC Marketing Level 5231-07 companies 6,283companies

Wood Preservatives (Retail)

Parent: Paint, Glass, and Wallpaper Stores

SIC Marketing Level 5231-08 companies 5companies

Glass-Broken (Retail)

Parent: Paint, Glass, and Wallpaper Stores

SIC Marketing Level 5231-09 companies 20companies

Glass-Auto Plate & Window & Etc (Retail)

Parent: Paint, Glass, and Wallpaper Stores

SIC Marketing Level 5231-10 companies 9,222companies

Glass Bending Drilling & Grinding & Etc (Retail)

Parent: Paint, Glass, and Wallpaper Stores

SIC Marketing Level 5231-11 companies 10companies

Glaziers Supplies (Retail)

Parent: Paint, Glass, and Wallpaper Stores

SIC Marketing Level 5231-12 companies 5companies

Color Matching Service & Equipment (Retail)

Parent: Paint, Glass, and Wallpaper Stores

SIC Marketing Level 5231-13 companies 7companies

Lacquers (Retail)

Parent: Paint, Glass, and Wallpaper Stores

SIC Marketing Level 5231-14 companies 6companies

Stains (Retail)

Parent: Paint, Glass, and Wallpaper Stores

SIC Marketing Level 5231-15 companies 8companies

Wall Printing (Retail)

Parent: Paint, Glass, and Wallpaper Stores

SIC Marketing Level 5231-16 companies 1companies

Wallpaper Designers (Retail)

Parent: Paint, Glass, and Wallpaper Stores

SIC Marketing Level 5231-17 companies 19companies

Wallpapers & Wallcoverings Equipment & Supl (Retail)

Parent: Paint, Glass, and Wallpaper Stores

SIC Marketing Level 5231-18 companies 3companies

Paper Hangers Equipment & Supplies (Retail)

Parent: Paint, Glass, and Wallpaper Stores

SIC Marketing Level 5231-19 companies 1companies

Glass-Residential (Retail)

Parent: Paint, Glass, and Wallpaper Stores

SIC Marketing Level 5231-21 companies 541companies

Glass-Commercial & Store Front Instltn (Retail)

Parent: Paint, Glass, and Wallpaper Stores

SIC Marketing Level 5231-22 companies 42companies

Glass Customized Functional Sculptural (Retail)

Parent: Paint, Glass, and Wallpaper Stores

SIC Marketing Level 5231-24 companies 11companies

Vinyl Wall Lettering (Retail)

Parent: Paint, Glass, and Wallpaper Stores

SIC Marketing Level 5231-25 companies 2companies

Saws (Retail)

Parent: Hardware Stores

SIC Marketing Level 5251-01 companies 287companies

Tools-Hand (Retail)

Parent: Hardware Stores

SIC Marketing Level 5251-02 companies 102companies

Weather Strips (Retail)

Parent: Hardware Stores

SIC Marketing Level 5251-03 companies —

Hardware (Retail)

Parent: Hardware Stores

SIC Marketing Level 5251-04 companies 9,375companies

Ironworks (Retail)

Parent: Hardware Stores

SIC Marketing Level 5251-05 companies 9companies

Tools-Cutting (Retail)

Parent: Hardware Stores

SIC Marketing Level 5251-06 companies 40companies

Valves (Retail)

Parent: Hardware Stores

SIC Marketing Level 5251-07 companies 50companies

Rope (Retail)

Parent: Hardware Stores

SIC Marketing Level 5251-08 companies 11companies

Search result limit reached. Please refine search keyword or code.

Other classifications

Search "naics:52" in Extended NAICS →

Sources & methodology

NAICS definitions: U.S. Census Bureau, 2022

SIC definitions: OSHA SIC Manual

Classification methodology →

SICCODE.com business data

15M+ companies · 20M+ establishments

About our business data →

Need help finding the right data?

Tell us who you want to reach. Our company and contact data supports outreach, CRM enrichment, and AI-assisted prospecting.

Free assistance · Fast replies during business hours

Put this data to work

Need companies or contacts?

Email, phone and direct mail lists · Request a free count & sample →

Find companies like your best customers

Lookalike targeting · Share examples →

Customer file missing industry codes?

NAICS and SIC appending · Get codes added →

Code too broad? Refine your targets by company fit.

Website-Reviewed & Enriched Lists · See how it works →

Standard business-list orders start at $50, with flexibility for smaller industry lists.

See what's included in a business list

Standard business list fields

Company & contacts

Company name, contact name and title, phone, website

Address & location

Business and mailing address, location type, latitude/longitude

Industry & firmographics

NAICS and SIC codes and titles, sales, employees, years in business, modeled credit

Field availability varies by company.

Optional business contact emails

Available for eligible U.S. lists, priced separately. Not included in Canadian lists.

Additional data on request

More business attributes, geographic details, digital information, and website research.

View full Business Data Dictionary →

See all products and pricing

Classification & Data Governance

Industry Intelligence

Industry research, structure, governance alignment, and applied industry classification insights, across marketing, compliance, analytics, and enterprise decision-making.

Governance & Methodology Data Accuracy & Benchmarks

Industry Classification Hubs

Sector-level NAICS & SIC classification hubs defining scope, boundaries, examples, and cross-industry distinctions.

Classification Research Tools

Code lookups, conversions, and research utilities for NAICS, SIC, ISIC, and related classification systems.

NAICS Lookup / Directory SIC Lookup / Directory

Applied Data Services & Use Cases

How classification-first data supports business lists, enrichment, analytics, and compliance workflows.

Business & Company Lists Data Appending & Enrichment

Authority & Trust Hub

Governed industry classification reference.

Expert-guided methodology · Documented updates & revision history · 2026 Edition

SICCODE.com provides free public access to core NAICS, SIC, and SOC reference data. Paid services support verified, documented, and enterprise-scale classification needs.

NAICS & SIC Code Business Registration | About Us | Contact Us | Privacy Policy | Terms & Conditions

Industry Classification Reference

Trusted since 1998