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 "sic:738"

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

Polygraph Service

Parent: Detective, Guard, and Armored Car Services

SIC Marketing Level 7381-01 companies 146companies

Security Guard & Patrol Service

Parent: Detective, Guard, and Armored Car Services

SIC Marketing Level 7381-02 companies 5,073companies

Armored Car Service

Parent: Detective, Guard, and Armored Car Services

SIC Marketing Level 7381-03 companies 248companies

Detective Agencies

Parent: Detective, Guard, and Armored Car Services

SIC Marketing Level 7381-04 companies 156companies

Burglary & Robbery Protective Service

Parent: Detective, Guard, and Armored Car Services

SIC Marketing Level 7381-05 companies 6companies

Guard Dogs

Parent: Detective, Guard, and Armored Car Services

SIC Marketing Level 7381-06 companies 14companies

Fingerprinting

Parent: Detective, Guard, and Armored Car Services

SIC Marketing Level 7381-07 companies 254companies

Investigators

Parent: Detective, Guard, and Armored Car Services

SIC Marketing Level 7381-08 companies 3,987companies

Escort Service-Motorized

Parent: Detective, Guard, and Armored Car Services

SIC Marketing Level 7381-09 companies 25companies

Detectives-Private

Parent: Detective, Guard, and Armored Car Services

SIC Marketing Level 7381-10 companies 528companies

Shoplifting Prevention Devices

Parent: Detective, Guard, and Armored Car Services

SIC Marketing Level 7381-12 companies 2companies

Criminologists

Parent: Detective, Guard, and Armored Car Services

SIC Marketing Level 7381-13 companies 7companies

Traffic Control Services

Parent: Detective, Guard, and Armored Car Services

SIC Marketing Level 7381-14 companies 175companies

Constables

Parent: Detective, Guard, and Armored Car Services

SIC Marketing Level 7381-15 companies 43companies

Litigation Support Service

Parent: Detective, Guard, and Armored Car Services

SIC Marketing Level 7381-16 companies 201companies

Fingerprint Experts

Parent: Detective, Guard, and Armored Car Services

SIC Marketing Level 7381-17 companies 3companies

Law Enforcement Consultants

Parent: Detective, Guard, and Armored Car Services

SIC Marketing Level 7381-18 companies 75companies

Bodyguard Service

Parent: Detective, Guard, and Armored Car Services

SIC Marketing Level 7381-19 companies 17companies

Civil Enforcement

Parent: Detective, Guard, and Armored Car Services

SIC Marketing Level 7381-21 companies 10companies

Police Service-Private

Parent: Detective, Guard, and Armored Car Services

SIC Marketing Level 7381-22 companies 8companies

Detective Guard & Armored Car Services

Parent: Detective, Guard, and Armored Car Services

SIC Marketing Level 7381-98 companies 200companies

Card Key Systems

Parent: Security Systems Services

SIC Marketing Level 7382-01 companies 11companies

Security Systems

Parent: Security Systems Services

SIC Marketing Level 7382-02 companies 3,789companies

Burglar Alarm Systems-Monitoring

Parent: Security Systems Services

SIC Marketing Level 7382-03 companies 99companies

Security Systs-Communications/Computer

Parent: Security Systems Services

SIC Marketing Level 7382-04 companies 669companies

Sprinkler Supervisory Service

Parent: Security Systems Services

SIC Marketing Level 7382-05 companies 6companies

Video Equipment-Security & Ind Systems

Parent: Security Systems Services

SIC Marketing Level 7382-06 companies 101companies

Watchmen's Equipment & Systems

Parent: Security Systems Services

SIC Marketing Level 7382-07 companies —

Bank Protective Equipment

Parent: Security Systems Services

SIC Marketing Level 7382-08 companies 7companies

Access Panels

Parent: Security Systems Services

SIC Marketing Level 7382-10 companies 17companies

Warning Systems

Parent: Security Systems Services

SIC Marketing Level 7382-11 companies 6companies

Sensors

Parent: Security Systems Services

SIC Marketing Level 7382-12 companies 95companies

Remote Sensing Analysis

Parent: Security Systems Services

SIC Marketing Level 7382-13 companies 10companies

Lock Boxes

Parent: Security Systems Services

SIC Marketing Level 7382-14 companies 2companies

House Arrest Service

Parent: Security Systems Services

SIC Marketing Level 7382-15 companies 7companies

Installation/Monitoring-Security Systems

Parent: Security Systems Services

SIC Marketing Level 7382-16 companies 353companies

Offender Monitoring Services

Parent: Security Systems Services

SIC Marketing Level 7382-17 companies 18companies

Alcohol Monitoring

Parent: Security Systems Services

SIC Marketing Level 7382-18 companies 59companies

Personal Monitoring Service

Parent: Security Systems Services

SIC Marketing Level 7382-19 companies 7companies

News Service

Parent: News Syndicates

SIC Marketing Level 7383-01 companies 383companies

Newspaper Feature Syndicates

Parent: News Syndicates

SIC Marketing Level 7383-02 companies 30companies

Traffic Reports

Parent: News Syndicates

SIC Marketing Level 7383-03 companies 7companies

Citizens' Advice Bureau

Parent: News Syndicates

SIC Marketing Level 7383-04 companies 7companies

Photo Finishing (Retail)

Parent: Photofinishing Laboratories

SIC Marketing Level 7384-01 companies 3,715companies

Photo Finishing-Custom

Parent: Photofinishing Laboratories

SIC Marketing Level 7384-02 companies 36companies

Photo-Retouching

Parent: Photofinishing Laboratories

SIC Marketing Level 7384-03 companies 109companies

Photo Finishing (Wholesale)

Parent: Photofinishing Laboratories

SIC Marketing Level 7384-04 companies 42companies

Photographic Enlargements

Parent: Photofinishing Laboratories

SIC Marketing Level 7384-05 companies 6companies

Photographs-Stock

Parent: Photofinishing Laboratories

SIC Marketing Level 7384-06 companies 52companies

Photographic Color Processing

Parent: Photofinishing Laboratories

SIC Marketing Level 7384-07 companies 1companies

Slides & Film Strips

Parent: Photofinishing Laboratories

SIC Marketing Level 7384-08 companies 3companies

Photo Laboratories-Commercial

Parent: Photofinishing Laboratories

SIC Marketing Level 7384-09 companies 42companies

Photographic Darkroom-Rental

Parent: Photofinishing Laboratories

SIC Marketing Level 7384-10 companies 8companies

Photo-Sculptures

Parent: Photofinishing Laboratories

SIC Marketing Level 7384-13 companies 3companies

Photographic & Video-Imaging & Analysis

Parent: Photofinishing Laboratories

SIC Marketing Level 7384-15 companies 7companies

Photo Digital Processing

Parent: Photofinishing Laboratories

SIC Marketing Level 7384-16 companies 26companies

Photographic Black & White Prints

Parent: Photofinishing Laboratories

SIC Marketing Level 7384-17 companies 3companies

Auctioneers

Parent: Business Services, Not Elsewhere Classified

SIC Marketing Level 7389-01 companies 3,759companies

Interior Decorators Design & Consultants

Parent: Business Services, Not Elsewhere Classified

SIC Marketing Level 7389-02 companies 14,998companies

Paging & Answering Service

Parent: Business Services, Not Elsewhere Classified

SIC Marketing Level 7389-03 companies 945companies

Paging & Signaling Equipment Systems Repair

Parent: Business Services, Not Elsewhere Classified

SIC Marketing Level 7389-04 companies 42companies

Lecture & Seminar Bureaus

Parent: Business Services, Not Elsewhere Classified

SIC Marketing Level 7389-06 companies 590companies

Arbitration Services

Parent: Business Services, Not Elsewhere Classified

SIC Marketing Level 7389-07 companies 1,428companies

Water Conservation

Parent: Business Services, Not Elsewhere Classified

SIC Marketing Level 7389-08 companies 122companies

Swimming Pool-Service

Parent: Business Services, Not Elsewhere Classified

SIC Marketing Level 7389-09 companies 2,500companies

Store Designers & Planners

Parent: Business Services, Not Elsewhere Classified

SIC Marketing Level 7389-10 companies 43companies

License Services

Parent: Business Services, Not Elsewhere Classified

SIC Marketing Level 7389-11 companies 421companies

Call Centers

Parent: Business Services, Not Elsewhere Classified

SIC Marketing Level 7389-12 companies 562companies

Appraisers

Parent: Business Services, Not Elsewhere Classified

SIC Marketing Level 7389-13 companies 4,319companies

Artists Agents

Parent: Business Services, Not Elsewhere Classified

SIC Marketing Level 7389-14 companies 106companies

Tool Designers

Parent: Business Services, Not Elsewhere Classified

SIC Marketing Level 7389-15 companies 48companies

Automobile Appraisers

Parent: Business Services, Not Elsewhere Classified

SIC Marketing Level 7389-16 companies 155companies

Transcribing Service-Tape Disc Etc

Parent: Business Services, Not Elsewhere Classified

SIC Marketing Level 7389-17 companies 301companies

Barricades

Parent: Business Services, Not Elsewhere Classified

SIC Marketing Level 7389-18 companies 214companies

Building Inspection Service

Parent: Business Services, Not Elsewhere Classified

SIC Marketing Level 7389-19 companies 762companies

Translators & Interpreters

Parent: Business Services, Not Elsewhere Classified

SIC Marketing Level 7389-20 companies 3,329companies

Business Development

Parent: Business Services, Not Elsewhere Classified

SIC Marketing Level 7389-21 companies 749companies

Business Brokers

Parent: Business Services, Not Elsewhere Classified

SIC Marketing Level 7389-22 companies 1,464companies

Business Records & Documents-Storage

Parent: Business Services, Not Elsewhere Classified

SIC Marketing Level 7389-23 companies 342companies

Waste Reduction & Disposal Equipment Ind

Parent: Business Services, Not Elsewhere Classified

SIC Marketing Level 7389-24 companies 44companies

Searchers Of Records

Parent: Business Services, Not Elsewhere Classified

SIC Marketing Level 7389-25 companies 31companies

Check Cashing Protection Systems

Parent: Business Services, Not Elsewhere Classified

SIC Marketing Level 7389-26 companies 37companies

Cloth Cutting

Parent: Business Services, Not Elsewhere Classified

SIC Marketing Level 7389-27 companies 21companies

Shoes-Custom Made

Parent: Business Services, Not Elsewhere Classified

SIC Marketing Level 7389-28 companies 48companies

Tank Testing & Inspection

Parent: Business Services, Not Elsewhere Classified

SIC Marketing Level 7389-29 companies 71companies

Textile Designers

Parent: Business Services, Not Elsewhere Classified

SIC Marketing Level 7389-30 companies 102companies

Convention & Meeting Facilities & Service

Parent: Business Services, Not Elsewhere Classified

SIC Marketing Level 7389-31 companies 1,278companies

Convention Information Bureaus

Parent: Business Services, Not Elsewhere Classified

SIC Marketing Level 7389-32 companies 402companies

Cutting & Slitting Service

Parent: Business Services, Not Elsewhere Classified

SIC Marketing Level 7389-33 companies 17companies

Textile-Manufacturer's Representatives

Parent: Business Services, Not Elsewhere Classified

SIC Marketing Level 7389-34 companies 1companies

Decorating Contractors-Party/Convention

Parent: Business Services, Not Elsewhere Classified

SIC Marketing Level 7389-35 companies 64companies

Organizing Services-Household & Business

Parent: Business Services, Not Elsewhere Classified

SIC Marketing Level 7389-36 companies 338companies

Signs-Erectors & Hangers

Parent: Business Services, Not Elsewhere Classified

SIC Marketing Level 7389-37 companies 51companies

Signs-Maintenance & Repairing

Parent: Business Services, Not Elsewhere Classified

SIC Marketing Level 7389-38 companies 151companies

Conference Centers

Parent: Business Services, Not Elsewhere Classified

SIC Marketing Level 7389-39 companies 398companies

Drafting Services

Parent: Business Services, Not Elsewhere Classified

SIC Marketing Level 7389-40 companies 950companies

Divers

Parent: Business Services, Not Elsewhere Classified

SIC Marketing Level 7389-41 companies 213companies

Embroidery

Parent: Business Services, Not Elsewhere Classified

SIC Marketing Level 7389-42 companies 4,549companies

Electrical Power Systems-Maintenance

Parent: Business Services, Not Elsewhere Classified

SIC Marketing Level 7389-43 companies 129companies

Events-Special

Parent: Business Services, Not Elsewhere Classified

SIC Marketing Level 7389-44 companies 7,130companies

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

Other classifications

Search "sic:738" 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