Extended NAICS 561990-09 Part of official NAICS 561990 Extended NAICS 561990-09 · Parent 561990
Handwriting Experts Business List
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Available business records
United States
United States
- Companies 47
- Phones 45
- Websites 37
- Contact emails 19
Canada
- Companies 9
- Phones 9
- Websites 7
Canadian counts for this segment are available on request.
What does 561990-09 Handwriting Experts cover?
Handwriting Experts is a subdivision of the NAICS Code 561990, which falls under the category of "All Other Support Services". This industry involves the analysis and interpretation of handwriting samples to determine the authenticity, authorship, or characteristics of a written document. Handwriting Experts are often called upon to provide their services in legal cases, such as forgery or fraud investigations, or to authenticate historical documents. They use a variety of techniques and tools to analyze handwriting samples and provide expert opinions based on their findings.
Official parent industry: NAICS 561990 - All Other Support Services
Industry Examples & Products
Examples of products and services associated with companies in this industry.
- Forensic handwriting analysis
- Historical document authentication
- Will and testament verification
- Signature verification
- Bank check fraud investigation
- Anonymous letter analysis
- Threat letter analysis
- Graffiti analysis
- Handwritten notes analysis
- Handwritten diary analysis
Common Equipment
Machinery these companies typically run. Equipment, parts and repair suppliers use this list to reach them.
- Magnifying glass
- Microscope
- Light table
- Ruler
- Protractor
- Callipers
- Handwriting analysis software
- Ink and paper analysis tools
- Electrostatic detection apparatus
- Ultraviolet light
Website-reviewed records can include equipment details.
What your list can include
How to request your free sample
See how well the data matches your targeting before you decide to order.
Available for this segment: 47 U.S. companies · 19 contact emails
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Sample preview · details masked
- Company: name, status, HQ/branch, year opened, public/private
- Location: address, county, metro, latitude & longitude
- Contacts: name, title, email (with verification status), phone
- Firmographics: employees, sales volume, square footage, fleet size
- Digital: website, LinkedIn and social profiles
- Classification: SIC & NAICS (primary and secondary)
Some fields are available for selected records. See every field in the Data Dictionary
✓ Website-reviewed data included with purchased U.S. lists at no extra charge · How we review →
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Industry History
The history of the Handwriting Experts industry dates back to the early 20th century when the first handwriting analysis was used in a criminal case in the United States. Since then, the industry has grown to include not only forensic handwriting analysis but also non-forensic handwriting analysis for personal and professional purposes. In recent years, the industry has seen advancements in technology, such as the use of digital tablets and software for handwriting analysis. Additionally, the industry has expanded to include graphology, which is the study of handwriting as a means of understanding personality traits and behaviors. In the United States, the industry has become more regulated with the establishment of professional organizations and certification programs for handwriting experts.
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Cited in research and government
Referenced by CDC/NIOSH, Columbia University, and other academic and government sources since 1998. See citations
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Questions about buying this list
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Your free sample includes example companies matching your target industry, with available business details such as company names, locations, phone numbers, and websites. You can review the data before deciding to purchase. Email addresses are not included in free samples.
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Our business database is regularly maintained and updated. Each purchased list is checked again before delivery, including website and business-activity reviews where available, to help identify outdated or mismatched records. Read our data verification methodology
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Yes. Business email contacts are available by request for eligible U.S. lists, where available. Canadian business lists do not include contact email addresses. You're responsible for ensuring your outreach complies with applicable email marketing laws.
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Every business list is prepared specifically for your order and reviewed by our team before delivery.
We evaluate companies against your specific targeting criteria, review available company websites and business information, and score leads for relevance to your target market or campaign.
Each purchased list is re-scanned on the day of delivery to help identify outdated, closed, or misclassified businesses.
Our Website-Reviewed & Enriched service is included with purchased U.S. business lists at no additional charge, helping you receive more relevant, actionable company data. It does not promise that every field is perfect or individually verified.
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NAICS classification hierarchy
Five official Census levels, from sector to national industry, plus a commercial extended level.
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Extended 8-digit NAICS 561990-09 Handwriting Experts
561990-09 is an 8-digit commercial segment used for business lists, not an official Census NAICS code. For government forms and filings, use NAICS 561990. Classification methodology →
About this classification
This page represents a commercial Extended NAICS industry classification used for business targeting, industry research, data analysis, and company classification. It is not an official U.S. Census Bureau NAICS code. Its parent industry is an official NAICS classification defined by the U.S. Census Bureau. Classifications are reviewed regularly by SICCODE.com's Classification Review Team.
SICCODE.com classifies companies under both Extended NAICS and Extended SIC. A company may appear in both classification systems, so company counts should not be added together without deduplication.