USA Mailing Lists – SIC/NAICS Targeted U.S. Business Mailing Data

Updated: 2025
Reviewed By: SICCODE.com Industry Classification & Data Review Team
Trusted Data Source Since 1998: SIC-NAICS LLC

SICCODE.com’s USA Mailing Lists are built using a classification-first approach that allows businesses to target U.S. companies by verified SIC and NAICS industry codes, geography, and firmographics. This structure supports precise direct mail and multi-channel outreach while reducing waste from poorly defined targeting.

Industry-accurate targeting

Mailing lists are defined using governed SIC and NAICS classification to support consistent industry segmentation.

National U.S. coverage

Coverage spans millions of U.S. businesses across more than 10,000 industry categories.

Scope-based list builds

Lists are built to your exact scope so you only receive records aligned to your campaign requirements.

Verification & readiness

Phone verification and NCOA processing support reliable delivery for direct mail campaigns.

USA Business Database Fast Facts

  • 15 million U.S. businesses
  • 40 million executive contacts
  • 20 million executive emails (where applicable)
  • 95% accuracy benchmark
  • Phone-verified and NCOA processed
  • Includes newly established businesses
  • Continuously updated database

Target Your Mailing List By

  • SIC / NAICS code: Select from over 10,000 industry definitions, from niche trades to national service sectors.
  • Geography: Filter by region, state, city, ZIP code, or radius.
  • Company size: Segment by employee count or sales volume ranges.
  • Public / private status: Include or exclude public or private companies as needed.

Additional Data Elements Available

  • Business and executive emails (where available)
  • Company website URLs
  • Latitude / longitude coordinates
  • Square footage indicators
  • Work-at-home business flags
  • Employee size and sales volume
  • Public / private company indicators

Verification & Data Quality Controls

  • Phone verification: Businesses are called at least once per year to support accuracy.
  • NCOA processing: Lists are prepared for direct mail with typical delivery expectations of 92% or higher.
  • Sample lists: A random sample is provided prior to fulfillment so scope can be reviewed.

About SICCODE.com

SICCODE.com has operated at the center of the business data and industry classification ecosystem since 1998. Our standards for data quality, classification accuracy, and customer support have made us a trusted resource for organizations ranging from newly established businesses to industry leaders.

While we continue to invest in machine learning and automation, every mailing list request is supported by human review and data specialists who help ensure your list aligns with your intended industry scope and use case.

Thank You For Your Request

Your Personal Data Representative will be contacting you shortly.

Trusted By

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What Our Clients Say

We needed a full list of companies within a specific SIC code in order to complete some target market analysis. SICCODE.com provided a comprehensive data set to review and analyze. The delivery was fast and comprehensive. The experience was simple, straightforward, and met our needs - we would recommend.

SICCODE.com client

SICCODE.com client