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What Is a NAICS 8-Digit Code?
All NAICS SIC Companies
SIC 6-Digit NAICS 8-Digit ISIC (International) NACE (Europe) SOC (Occupations) CIP (Programs) Extended SOC (O*NET)

NAICS 8-Digit Codes for "sic:541"

Extended NAICS codes provide more specific industry categories within official 6-digit NAICS classifications, supporting more precise industry segmentation, market research, and business targeting. For official NAICS classification, use the 6-digit NAICS code.

Search this keyword in SIC 6-Digit codes.

companies

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

Industry NAICS 8-Digit U.S. companies Add

Attorney Referral Service

Parent: Offices of Lawyers

 Extended NAICS 541110-01 companies 137companies

Attorneys

Parent: Offices of Lawyers

 Extended NAICS 541110-02 companies 186,903companies

Attorneys Service Bureaus

Parent: Offices of Lawyers

 Extended NAICS 541110-03 companies 185companies

Divorce Assistance

Parent: Offices of Lawyers

 Extended NAICS 541110-05 companies 471companies

Estate Planning

Parent: Offices of Lawyers

 Extended NAICS 541110-08 companies 601companies

Immigration & Naturalization Services

Parent: Offices of Lawyers

 Extended NAICS 541110-09 companies 1,173companies

Incorporating Companies

Parent: Offices of Lawyers

 Extended NAICS 541110-10 companies 198companies

Law Citation Retrieval Service

Parent: Offices of Lawyers

 Extended NAICS 541110-11 companies 5companies

Legal Clinics

Parent: Offices of Lawyers

 Extended NAICS 541110-12 companies 79companies

Legal Marketing

Parent: Offices of Lawyers

 Extended NAICS 541110-13 companies 13companies

Legal Research

Parent: Offices of Lawyers

 Extended NAICS 541110-14 companies 67companies

Legal Service Plans

Parent: Offices of Lawyers

 Extended NAICS 541110-15 companies 345companies

Legal Services

Parent: Offices of Lawyers

 Extended NAICS 541110-16 companies —

Lien Processing Service

Parent: Offices of Lawyers

 Extended NAICS 541110-17 companies 70companies

Patent Agents

Parent: Offices of Lawyers

 Extended NAICS 541110-18 companies 63companies

Probate Service

Parent: Offices of Lawyers

 Extended NAICS 541110-19 companies 91companies

Referees In Bankruptcy

Parent: Offices of Lawyers

 Extended NAICS 541110-20 companies 5companies

Right Of Way Acquisition Contractors

Parent: Offices of Lawyers

 Extended NAICS 541110-21 companies 36companies

Small Claims Assistance

Parent: Offices of Lawyers

 Extended NAICS 541110-22 companies 8companies

Social Security Counselors & Reps

Parent: Offices of Lawyers

 Extended NAICS 541110-23 companies 126companies

Real Estate-Law

Parent: Offices of Lawyers

 Extended NAICS 541110-24 companies 226companies

Notaries-Public

Parent: Offices of Notaries

 Extended NAICS 541120-01 companies 2,896companies

Abstracters

Parent: Title Abstract and Settlement Offices

 Extended NAICS 541191-01 companies 456companies

Finding & Searching Service

Parent: Title Abstract and Settlement Offices

 Extended NAICS 541191-02 companies 32companies

Land Contracts

Parent: Title Abstract and Settlement Offices

 Extended NAICS 541191-03 companies 12companies

Real Estate Research Services

Parent: Title Abstract and Settlement Offices

 Extended NAICS 541191-04 companies 9companies

Real Estate Tax Searchers

Parent: Title Abstract and Settlement Offices

 Extended NAICS 541191-05 companies 15companies

Title Companies

Parent: Title Abstract and Settlement Offices

 Extended NAICS 541191-06 companies 7,751companies

Title Examiners

Parent: Title Abstract and Settlement Offices

 Extended NAICS 541191-07 companies 11companies

Arbitration Services

Parent: All Other Legal Services

 Extended NAICS 541199-01 companies 1,428companies

Paralegals

Parent: All Other Legal Services

 Extended NAICS 541199-03 companies 439companies

Patent Searchers

Parent: All Other Legal Services

 Extended NAICS 541199-04 companies 19companies

Process Servers

Parent: All Other Legal Services

 Extended NAICS 541199-05 companies 794companies

Bankruptcy Service

Parent: All Other Legal Services

 Extended NAICS 541199-06 companies 528companies

Accountants

Parent: Offices of Certified Public Accountants

 Extended NAICS 541211-01 companies 36,368companies

Accountants-Certified-General

Parent: Offices of Certified Public Accountants

 Extended NAICS 541211-02 companies 211companies

Accountants-Certified-Management

Parent: Offices of Certified Public Accountants

 Extended NAICS 541211-03 companies 10companies

Accountants-Public School

Parent: Offices of Certified Public Accountants

 Extended NAICS 541211-04 companies 1companies

Enrolled Agents

Parent: Offices of Certified Public Accountants

 Extended NAICS 541211-06 companies 63companies

Tax Return Preparation & Filing

Parent: Tax Preparation Services

 Extended NAICS 541213-01 companies 33,391companies

Tax Return Transmission-Electronic

Parent: Tax Preparation Services

 Extended NAICS 541213-02 companies 40companies

Payroll Auditors

Parent: Payroll Services

 Extended NAICS 541214-01 companies 5companies

Payroll Preparation Service

Parent: Payroll Services

 Extended NAICS 541214-02 companies 1,488companies

Billing Service

Parent: Other Accounting Services

 Extended NAICS 541219-01 companies 3,237companies

Auditors

Parent: Other Accounting Services

 Extended NAICS 541219-02 companies 148companies

Accounting & Bookkeeping General Service

Parent: Other Accounting Services

 Extended NAICS 541219-03 companies 13,544companies

Accountants Referral Service

Parent: Other Accounting Services

 Extended NAICS 541219-04 companies 10companies

Accountants-Registered-Industrial

Parent: Other Accounting Services

 Extended NAICS 541219-05 companies —

Chartered Accountants

Parent: Other Accounting Services

 Extended NAICS 541219-06 companies 17companies

Calculating Service

Parent: Other Accounting Services

 Extended NAICS 541219-08 companies 3companies

Business Solutions

Parent: Other Accounting Services

 Extended NAICS 541219-09 companies 457companies

Tax Consultants

Parent: Other Accounting Services

 Extended NAICS 541219-10 companies 2,635companies

Accountants Commercial

Parent: Other Accounting Services

 Extended NAICS 541219-11 companies 5companies

Tax Grievance Service

Parent: Other Accounting Services

 Extended NAICS 541219-12 companies 14companies

Architects

Parent: Architectural Services

 Extended NAICS 541310-01 companies 15,270companies

Architects & Builders Service

Parent: Architectural Services

 Extended NAICS 541310-02 companies 412companies

Architects & Engineers

Parent: Architectural Services

 Extended NAICS 541310-03 companies 165companies

Architectural & Constr Specifications

Parent: Architectural Services

 Extended NAICS 541310-04 companies 32companies

Architectural Details

Parent: Architectural Services

 Extended NAICS 541310-05 companies 50companies

Architectural Illustrators

Parent: Architectural Services

 Extended NAICS 541310-06 companies 118companies

Architectural Models

Parent: Architectural Services

 Extended NAICS 541310-07 companies 18companies

Architectural Services

Parent: Architectural Services

 Extended NAICS 541310-09 companies 2,401companies

Building Construction-Consultants

Parent: Architectural Services

 Extended NAICS 541310-10 companies 531companies

Building Designers

Parent: Architectural Services

 Extended NAICS 541310-11 companies 872companies

Construction Estimates

Parent: Architectural Services

 Extended NAICS 541310-12 companies 299companies

Architectural Designers

Parent: Architectural Services

 Extended NAICS 541310-13 companies 530companies

Engineers-Architectural

Parent: Architectural Services

 Extended NAICS 541310-14 companies 127companies

Engineers-Building Inspection

Parent: Architectural Services

 Extended NAICS 541310-15 companies 12companies

Foundation-Exploration & Test Borings

Parent: Architectural Services

 Extended NAICS 541310-16 companies 6companies

Golf Course Architects

Parent: Architectural Services

 Extended NAICS 541310-17 companies 80companies

Home Design & Planning Service

Parent: Architectural Services

 Extended NAICS 541310-19 companies 1,031companies

House Plans

Parent: Architectural Services

 Extended NAICS 541310-20 companies 14companies

House & Building Movers Consultants

Parent: Architectural Services

 Extended NAICS 541310-23 companies 4companies

Horticultural Consultants

Parent: Landscape Architectural Services

 Extended NAICS 541320-01 companies 82companies

Interior Landscaping

Parent: Landscape Architectural Services

 Extended NAICS 541320-02 companies 38companies

Land Planning Services

Parent: Landscape Architectural Services

 Extended NAICS 541320-03 companies 269companies

Landscape Designers

Parent: Landscape Architectural Services

 Extended NAICS 541320-04 companies 5,690companies

Landscape Foresters

Parent: Landscape Architectural Services

 Extended NAICS 541320-05 companies 11companies

Lawn Consultants

Parent: Landscape Architectural Services

 Extended NAICS 541320-06 companies 59companies

Tree Consultants

Parent: Landscape Architectural Services

 Extended NAICS 541320-07 companies 51companies

Sprinklers-Irrigation Designers

Parent: Landscape Architectural Services

 Extended NAICS 541320-08 companies 35companies

Industrial Research

Parent: Landscape Architectural Services

 Extended NAICS 541320-09 companies 14companies

City Regional & Town Planners

Parent: Landscape Architectural Services

 Extended NAICS 541320-11 companies 255companies

Industrial Consultants

Parent: Landscape Architectural Services

 Extended NAICS 541320-12 companies 150companies

Industrial Developments

Parent: Landscape Architectural Services

 Extended NAICS 541320-13 companies 157companies

Concrete Hardscaping

Parent: Landscape Architectural Services

 Extended NAICS 541320-14 companies 151companies

Bank Designers & Consultants

Parent: Landscape Architectural Services

 Extended NAICS 541320-15 companies 16companies

Landscape Appraising & Consulting

Parent: Landscape Architectural Services

 Extended NAICS 541320-16 companies 10companies

Acoustical Consultants

Parent: Engineering Services

 Extended NAICS 541330-01 companies 98companies

Concrete Technologists

Parent: Engineering Services

 Extended NAICS 541330-02 companies 10companies

Contractors-Engineering General

Parent: Engineering Services

 Extended NAICS 541330-03 companies 385companies

Engineering & Architectural Services

Parent: Engineering Services

 Extended NAICS 541330-04 companies 57companies

Engineering-Job Shops

Parent: Engineering Services

 Extended NAICS 541330-05 companies 40companies

Engineers

Parent: Engineering Services

 Extended NAICS 541330-06 companies 9,623companies

Engineers-Acoustical

Parent: Engineering Services

 Extended NAICS 541330-07 companies 34companies

Engineers-Aeronautical

Parent: Engineering Services

 Extended NAICS 541330-08 companies 95companies

Engineers-Agricultural

Parent: Engineering Services

 Extended NAICS 541330-09 companies 36companies

Engineers-Air Cond Heating Ventilating

Parent: Engineering Services

 Extended NAICS 541330-10 companies 164companies

Engineering

Parent: Engineering Services

 Extended NAICS 541330-11 companies 11,439companies

Engineers-Automotive

Parent: Engineering Services

 Extended NAICS 541330-12 companies 41companies

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Other classifications

Search "sic:541" in SIC 6-Digit codes →

Sources & methodology

NAICS definitions: U.S. Census Bureau, 2022

SIC definitions: OSHA SIC Manual

Classification methodology →

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