Look up industry codes, confirm your classification, or build a targeted company list around verified SIC and NAICS data.
NAICS and SIC codes classify a company’s primary business activity, but two similar businesses can classify differently depending on what they actually do.
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Choose your path
Start with the business outcome you need. SICCODE.com connects industry classification with list building, data appending, and enterprise data delivery.
Targeted lists by industry, location, company size, and buyer profile, built on verified NAICS/SIC classification.
Add standardized SIC and NAICS codes to your customer, prospect, vendor, or business database.
Use business data for platforms, analytics, enrichment, AI systems, and enterprise workflows.
SICCODE.com data has supported research, analysis, list building, and classification projects across public-sector, academic, financial, consulting, insurance, and enterprise environments.
Better targeting starts with the right code
Industry codes define the market. Better lists identify the companies inside that market that actually match your buyer profile.
Define the correct industry or cluster of industries instead of relying on broad keywords alone.
Narrow by geography, company size, revenue, employee count, location type, and executive role.
Flag companies that mention commercial, industrial, residential, specialty, or other buyer-fit signals.
Start with plumbing industry codes, then flag records that mention commercial plumbing, industrial service, mechanical contracting, municipal work, emergency service, drain cleaning, or residential-only language where available.
Find Companies That Match My MarketBefore you order
Yes. Tell us what you sell and get your top target industries ranked by buyer fit, with NAICS codes, SIC codes, and market size estimates. Free, no commitment, no sales call required.
Every project starts with classification scope, firmographic filters, and quality review. Email projects include verification review before delivery.
SICCODE.com starts with classification expertise, then adds business-record coverage, filters, review standards, and delivery workflows.
Large-scale data products
Use NAICS, SIC, firmographics, and industry intelligence to power AI systems, CRMs, analytics, market research, compliance, and enterprise applications.
Classification & Data Governance
SICCODE.com connects free NAICS and SIC lookup tools with reviewed classification methodology, named reviewers, citation-backed research, and business data quality controls. The same classification foundation supports business lists, code appending, enterprise licensing, and custom data projects.
You can browse the NAICS code lookup directory or the SIC code lookup directory, then use search to narrow by keyword, business activity, or code.
Yes. We build targeted business and email lists by NAICS, SIC, geography, company size, executive role, and more.
Yes. Start with a free targeting preview to identify the industries most likely to buy what you sell, then refine the list with firmographics, business details, geography, and website-derived markers where available.
Yes. Code appending helps standardize customer, prospect, vendor, or business records for reporting and segmentation.
There is no single universal registry that assigns one definitive NAICS or SIC code to every business for every use. Agencies, businesses, lenders, data providers, and procurement systems may classify a company differently depending on purpose and data source. SICCODE.com has helped organizations classify, verify, and apply industry codes since 1998.
SICCODE.com combines classification expertise, business-record coverage, review standards, and data delivery workflows.
Yes. Enterprise data projects can include business records, NAICS and SIC enrichment, firmographics, custom delivery, and recurring updates.