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Official North American industry classification system for business reporting and analysis.

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Established U.S. industry classification system widely used across business, reporting, analytics, and cross-dataset comparability.

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Standard classification systems used to organize industries, products, occupations, and business identifiers across U.S. and global datasets

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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) Extended SOC (O*NET)

NAICS 8-Digit Codes for "medical-office"

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

Office Buildings & Parks

Parent: Lessors of Nonresidential Buildings (except Miniwarehouses)

Extended NAICS 531120-04 companies 2,282companies

Medical Examiners

Parent: All Other Miscellaneous Ambulatory Health Care Services

Extended NAICS 621999-32 companies 56companies

Medical Spas

Parent: Offices of Physical, Occupational and Speech Therapists, and Audiologists

Extended NAICS 621340-13 companies 2,823companies

Office Services

Parent: Office Administrative Services

Extended NAICS 561110-11 companies —

Chairs (Manufacturing)

Parent: Office Furniture (except Wood) Manufacturing

Extended NAICS 337214-01 companies 28companies

Property Management-Commercial

Parent: Land Subdivision

Extended NAICS 237210-06 companies 1,311companies

Lessors Of Real Property NEC

Parent: Lessors of Other Real Estate Property

Extended NAICS 531190-03 companies 1,157companies

Autopsy Service

Parent: Offices of All Other Miscellaneous Health Practitioners

Extended NAICS 621399-51 companies 5companies

Forensic Medicine

Parent: Medical Laboratories

Extended NAICS 621511-22 companies 12companies

Facsimile Transmission Service

Parent: Wired Telecommunications Carriers

Extended NAICS 517111-02 companies 203companies

Real Estate Syndicators

Parent: Other Activities Related to Real Estate

Extended NAICS 531390-11 companies 4companies

Scanning Service

Parent: Computing Infrastructure Providers, Data Processing, Web Hosting, and Related Services

Extended NAICS 518210-15 companies 318companies

Store Fronts

Parent: Commercial and Institutional Building Construction

Extended NAICS 236220-34 companies 242companies

Organizing Services-Household & Business

Parent: Interior Design Services

Extended NAICS 541410-04 companies 338companies

Voice Mail Messaging Service

Parent: Web Search Portals and All Other Information Services

Extended NAICS 519290-09 companies 48companies

Medical Groups

Parent: All Other Miscellaneous Ambulatory Health Care Services

Extended NAICS 621999-33 companies 904companies

Schools-Medical & Dental-Assistants/Tech

Parent: Other Technical and Trade Schools

Extended NAICS 611519-17 companies 129companies

Medical Gas Piping Systs-Install (Manufacturing)

Parent: Iron and Steel Pipe and Tube Manufacturing from Purchased Steel

Extended NAICS 331210-05 companies 10companies

Mobile Offices & Commercial Units (Retail)

Parent: Manufactured (Mobile) Home Dealers

Extended NAICS 459930-05 companies 157companies

Trailers-Office-Renting

Parent: Truck, Utility Trailer, and RV (Recreational Vehicle) Rental and Leasing

Extended NAICS 532120-14 companies 1companies

Mobile Offices/Commercial Units-Renting

Parent: Truck, Utility Trailer, and RV (Recreational Vehicle) Rental and Leasing

Extended NAICS 532120-04 companies 4companies

Federal Government-Executive Offices

Parent: Executive Offices

Extended NAICS 921110-03 companies 37companies

Trailers-Office (Wholesale)

Parent: Other Construction Material Merchant Wholesalers

Extended NAICS 423390-32 companies 3companies

State Government-Executive Offices

Parent: Executive Offices

Extended NAICS 921110-04 companies 303companies

County Government-Executive Offices

Parent: Executive Offices

Extended NAICS 921110-02 companies 347companies

Mobile Offices & Coml Units Repairing

Parent: Residential Remodelers

Extended NAICS 236118-20 companies 2companies

Government Offices-County

Parent: Legislative Bodies

Extended NAICS 921120-07 companies 32,869companies

Office Furniture-Except Wood (Manufacturing)

Parent: Office Furniture (except Wood) Manufacturing

Extended NAICS 337214-07 companies 162companies

Wiring & Cabling-Home & Office-Voice

Parent: Power and Communication Line and Related Structures Construction

Extended NAICS 237130-15 companies 60companies

Office & Desk Space-Rental

Parent: Nonresidential Property Managers

Extended NAICS 531312-05 companies 2,310companies

Office Partitions (Wholesale)

Parent: Other Commercial Equipment Merchant Wholesalers

Extended NAICS 423440-26 companies 2companies

University-College Dept/Facility/Office

Parent: Colleges, Universities, and Professional Schools

Extended NAICS 611310-13 companies 5,730companies

Home Office Furniture (Wholesale) (Retail)

Parent: Furniture Retailers

Extended NAICS 449110-36 companies 93companies

Office & Store Fixtures-Wood (Manufacturing)

Parent: Custom Architectural Woodwork and Millwork Manufacturing

Extended NAICS 337212-01 companies 125companies

Offices Of Health Practitioners NEC

Parent: Offices of All Other Miscellaneous Health Practitioners

Extended NAICS 621399-26 companies 2,011companies

Offices & Clinics Of Doctors-Osteopathy

Parent: Offices of Physicians (except Mental Health Specialists)

Extended NAICS 621111-04 companies 104companies

Banks/Overseas-Representative Offices

Parent: Commercial Banking

Extended NAICS 522110-06 companies 3companies

City Government-Executive Offices

Parent: Executive Offices

Extended NAICS 921110-01 companies 11,758companies

Government Offices-US

Parent: Legislative Bodies

Extended NAICS 921120-09 companies —

City Government-General Offices

Parent: Other General Government Support

Extended NAICS 921190-01 companies 4,378companies

Government Offices-City/Village & Twp

Parent: Legislative Bodies

Extended NAICS 921120-06 companies 7,890companies

Government Offices-State

Parent: Legislative Bodies

Extended NAICS 921120-08 companies 12,823companies

Federal Government-General Offices

Parent: Other General Government Support

Extended NAICS 921190-03 companies 239companies

Government Offices-Native American

Parent: Other General Government Support

Extended NAICS 921190-04 companies 564companies

Office & Store Fixtures-Ex Wood (Manufacturing)

Parent: Showcase, Partition, Shelving, and Locker Manufacturing

Extended NAICS 337215-08 companies 14companies

Medical Business Administration

Parent: Office Administrative Services

Extended NAICS 561110-12 companies 317companies

Office Warehouses

Parent: General Warehousing and Storage

Extended NAICS 493110-11 companies 9companies

County Government-General Offices

Parent: Other General Government Support

Extended NAICS 921190-02 companies 1,910companies

Schools-Departments/Facilities/Offices

Parent: Elementary and Secondary Schools

Extended NAICS 611110-21 companies 505companies

Post Offices

Parent: Postal Service

Extended NAICS 491110-01 companies 4,873companies

State Government-General Offices

Parent: Other General Government Support

Extended NAICS 921190-06 companies 586companies

Office Records-Storage (Manufacturing)

Parent: Machine Tool Manufacturing

Extended NAICS 333517-20 companies 29companies

Office Furniture & Equipment Repair & Refinish

Parent: Reupholstery and Furniture Repair

Extended NAICS 811420-10 companies 36companies

Office Furniture & Equipment Used (Retail)

Parent: Used Merchandise Retailers

Extended NAICS 459510-28 companies 72companies

Office Furniture & Equipment (Manufacturing)

Parent: Office Furniture (except Wood) Manufacturing

Extended NAICS 337214-06 companies 168companies

Office Furniture & Equipment Wholesale

Parent: Furniture Merchant Wholesalers

Extended NAICS 423210-05 companies 98companies

Office Equipment (Wholesale)

Parent: Office Equipment Merchant Wholesalers

Extended NAICS 423420-28 companies 202companies

Office Supplies (Wholesale)

Parent: Stationery and Office Supplies Merchant Wholesalers

Extended NAICS 424120-22 companies 70companies

Medical Imaging Equipment & Systems (Wholesale)

Parent: Medical, Dental, and Hospital Equipment and Supplies Merchant Wholesalers

Extended NAICS 423450-37 companies 294companies

Office Furniture & Equipment Dealers (Wholesale)

Parent: Furniture Merchant Wholesalers

Extended NAICS 423210-03 companies 1,190companies

Office Furniture & Equipment Renting

Parent: Office Machinery and Equipment Rental and Leasing

Extended NAICS 532420-06 companies 145companies

Medical Diagnostic Equipment-Mobile

Parent: Offices of All Other Miscellaneous Health Practitioners

Extended NAICS 621399-15 companies 34companies

Post Office Equipment (Wholesale)

Parent: Office Equipment Merchant Wholesalers

Extended NAICS 423420-29 companies 72companies

Office Supplies (Manufacturing)

Parent: Stationery Product Manufacturing

Extended NAICS 322230-02 companies 39companies

Scanning Equipment (Wholesale)

Parent: Computer and Computer Peripheral Equipment and Software Merchant Wholesalers

Extended NAICS 423430-11 companies 11companies

Voice Messaging Equipment & Services

Parent: All Other Telecommunications

Extended NAICS 517810-17 companies 44companies

Institution Supplies (Wholesale)

Parent: Other Miscellaneous Durable Goods Merchant Wholesalers

Extended NAICS 423990-20 companies 4companies

Aesthetic Equipment & Supplies (Wholesale)

Parent: Medical, Dental, and Hospital Equipment and Supplies Merchant Wholesalers

Extended NAICS 423450-09 companies 68companies

Service Bureaus

Parent: Other Scientific and Technical Consulting Services

Extended NAICS 541690-18 companies 607companies

Lamp Bulbs (Wholesale)

Parent: Electrical Apparatus and Equipment, Wiring Supplies, and Related Equipment Merchant Wholesalers

Extended NAICS 423610-41 companies —

Gloves-Surgical & Examination (Wholesale)

Parent: Medical, Dental, and Hospital Equipment and Supplies Merchant Wholesalers

Extended NAICS 423450-39 companies 2companies

Training Devices (Wholesale)

Parent: Office Equipment Merchant Wholesalers

Extended NAICS 423420-35 companies 6companies

Physical Therapy Equipment (Wholesale)

Parent: Medical, Dental, and Hospital Equipment and Supplies Merchant Wholesalers

Extended NAICS 423450-24 companies 168companies

Leasing Equipment

Parent: Office Machinery and Equipment Rental and Leasing

Extended NAICS 532420-07 companies 1,476companies

Commercial Equipment NEC (Wholesale)

Parent: Other Commercial Equipment Merchant Wholesalers

Extended NAICS 423440-03 companies 180companies

Leasing Service

Parent: General Rental Centers

Extended NAICS 532310-01 companies 2,359companies

Van Conversions (Wholesale)

Parent: Automobile and Other Motor Vehicle Merchant Wholesalers

Extended NAICS 423110-22 companies 4companies

Buildings Portable Rental

Parent: Truck, Utility Trailer, and RV (Recreational Vehicle) Rental and Leasing

Extended NAICS 532120-18 companies 2companies

Carbon Paper (Wholesale)

Parent: Stationery and Office Supplies Merchant Wholesalers

Extended NAICS 424120-06 companies 1companies

X-Ray Duplicating Service

Parent: Other Business Service Centers (including Copy Shops)

Extended NAICS 561439-06 companies 4companies

Buildings-Portable

Parent: Commercial and Institutional Building Construction

Extended NAICS 236220-11 companies 621companies

Therapists-Corrective

Parent: Offices of All Other Miscellaneous Health Practitioners

Extended NAICS 621399-47 companies 13companies

Rubber-Latex (Manufacturing)

Parent: All Other Rubber Product Manufacturing

Extended NAICS 326299-22 companies 3companies

Administrators-Chartered

Parent: Office Administrative Services

Extended NAICS 561110-01 companies 19companies

County Government-Public Order & Safety

Parent: Other Justice, Public Order, and Safety Activities

Extended NAICS 922190-03 companies 186companies

Executive Suites

Parent: Lessors of Nonresidential Buildings (except Miniwarehouses)

Extended NAICS 531120-01 companies 303companies

Buildings-Metal (Manufacturing)

Parent: Prefabricated Metal Building and Component Manufacturing

Extended NAICS 332311-01 companies 88companies

Calculating & Accounting Machines (Manufacturing)

Parent: Commercial and Service Industry Machinery Manufacturing

Extended NAICS 333310-25 companies 36companies

Van & Truck Conversions & Accessories (Wholesale)

Parent: Motor Vehicle Supplies and New Parts Merchant Wholesalers

Extended NAICS 423120-78 companies 97companies

Chalkboards (Wholesale)

Parent: Office Equipment Merchant Wholesalers

Extended NAICS 423420-11 companies 6companies

Laser Printers (Wholesale)

Parent: Computer and Computer Peripheral Equipment and Software Merchant Wholesalers

Extended NAICS 423430-10 companies 71companies

Municipal Supplies (Wholesale)

Parent: Service Establishment Equipment and Supplies Merchant Wholesalers

Extended NAICS 423850-55 companies 12companies

Government-Operators-Nonresidential Bldg

Parent: Lessors of Nonresidential Buildings (except Miniwarehouses)

Extended NAICS 531120-02 companies 67companies

Attic & Basement Finishing

Parent: Residential Remodelers

Extended NAICS 236118-01 companies 90companies

Buildings-Metal

Parent: Commercial and Institutional Building Construction

Extended NAICS 236220-08 companies 823companies

Painting Contractors-Commercial & Ind

Parent: Painting and Wall Covering Contractors

Extended NAICS 238320-16 companies 1,266companies

Building Cleaning-Interior

Parent: All Other Specialty Trade Contractors

Extended NAICS 238990-50 companies 19companies

Table Tops (Manufacturing)

Parent: Glass Product Manufacturing Made of Purchased Glass

Extended NAICS 327215-17 companies —

Blackboards (Manufacturing)

Parent: Cut Stone and Stone Product Manufacturing

Extended NAICS 327991-01 companies 4companies

Time Stamps (Manufacturing)

Parent: Other Measuring and Controlling Device Manufacturing

Extended NAICS 334519-34 companies 4companies

Voltage Stabilizers (Manufacturing)

Parent: Power, Distribution, and Specialty Transformer Manufacturing

Extended NAICS 335311-07 companies 5companies

Cabinets-Metal (Manufacturing)

Parent: Household Furniture (except Wood and Upholstered) Manufacturing

Extended NAICS 337126-02 companies 5companies

Public Building/Related Furniture (Manufacturing)

Parent: Institutional Furniture Manufacturing

Extended NAICS 337127-11 companies 35companies

Partitions (Manufacturing)

Parent: Showcase, Partition, Shelving, and Locker Manufacturing

Extended NAICS 337215-09 companies 41companies

Partitions (Wholesale)

Parent: Other Commercial Equipment Merchant Wholesalers

Extended NAICS 423440-28 companies 74companies

Shelving (Wholesale)

Parent: Other Commercial Equipment Merchant Wholesalers

Extended NAICS 423440-38 companies 77companies

Mezzanine & Platform Systems Equipment (Wholesale)

Parent: Industrial Machinery and Equipment Merchant Wholesalers

Extended NAICS 423830-52 companies 5companies

Outpatient Services

Parent: All Other Outpatient Care Centers

Extended NAICS 621498-07 companies 1,364companies

Estheticians

Parent: Beauty Salons

Extended NAICS 812112-04 companies 1,353companies

Skin Treatments

Parent: Cosmetology and Barber Schools

Extended NAICS 611511-06 companies —

Wheels & Castors (Manufacturing)

Parent: All Other Transportation Equipment Manufacturing

Extended NAICS 336999-09 companies 19companies

Service Contracts & Agreements

Parent: Electronic and Precision Equipment Repair and Maintenance

Extended NAICS 811210-01 companies 103companies

Parcel Post Assembly Service

Parent: Local Messengers and Local Delivery

Extended NAICS 492210-02 companies 3companies

Metal Stamping (Manufacturing)

Parent: Metal Crown, Closure, and Other Metal Stamping (except Automotive)

Extended NAICS 332119-12 companies 505companies

Animal Hospitals

Parent: Veterinary Services

Extended NAICS 541940-02 companies 11,662companies

Physicians & Surgeons

Parent: Offices of Physicians (except Mental Health Specialists)

Extended NAICS 621111-07 companies 876,501companies

X-Ray Protection (Wholesale)

Parent: Medical, Dental, and Hospital Equipment and Supplies Merchant Wholesalers

Extended NAICS 423450-38 companies 10companies

Video Depositions

Parent: Court Reporting and Stenotype Services

Extended NAICS 561492-04 companies 20companies

Audiometric Testing

Parent: All Other Miscellaneous Ambulatory Health Care Services

Extended NAICS 621999-02 companies 2companies

Law Enforcement Supplies (Retail)

Parent: All Other General Merchandise Retailers

Extended NAICS 455219-33 companies 173companies

Buildings-Pre-Cut Prefabricated/Modular

Parent: Commercial and Institutional Building Construction

Extended NAICS 236220-12 companies 99companies

Snoring Treatment & Devices

Parent: Offices of All Other Miscellaneous Health Practitioners

Extended NAICS 621399-43 companies 8companies

Building Contractors

Parent: Commercial and Institutional Building Construction

Extended NAICS 236220-05 companies 22,328companies

Ergonomics

Parent: Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)

Extended NAICS 541715-13 companies 83companies

Casters & Glides (Manufacturing)

Parent: Hardware Manufacturing

Extended NAICS 332510-06 companies 20companies

Cleaning Services-Commercial/Residential

Parent: Janitorial Services

Extended NAICS 561720-03 companies 2,724companies

Seating Companies (Wholesale)

Parent: Furniture Merchant Wholesalers

Extended NAICS 423210-07 companies 40companies

Rubberbands (Manufacturing)

Parent: All Other Rubber Product Manufacturing

Extended NAICS 326299-24 companies 3companies

Van Conversions (Manufacturing)

Parent: Motor Home Manufacturing

Extended NAICS 336213-02 companies 6companies

Purchasing Service

Parent: All Other Personal Services

Extended NAICS 812990-49 companies 64companies

Miscellaneous Leasing Companies

Parent: International, Secondary Market, and All Other Nondepository Credit Intermediation

Extended NAICS 522299-14 companies 94companies

Trash Compactors (Wholesale) (Manufacturing)

Parent: Service Establishment Equipment and Supplies Merchant Wholesalers

Extended NAICS 423850-90 companies 5companies

Wholesale

Parent: Other Miscellaneous Nondurable Goods Merchant Wholesalers

Extended NAICS 424990-93 companies 472companies

Suppliers (Wholesale)

Parent: Wholesale Trade Agents and Brokers

Extended NAICS 425120-19 companies 155companies

Stamping-Cold/Gold/Hot & Etc (Manufacturing)

Parent: All Other Miscellaneous Manufacturing

Extended NAICS 339999-59 companies 2companies

Waste-Plastics (Wholesale)

Parent: Recyclable Material Merchant Wholesalers

Extended NAICS 423930-32 companies 1companies

Trucking-Local Cartage

Parent: General Freight Trucking, Local

Extended NAICS 484110-16 companies 2,511companies

Misc Equipment-Rental & Leasing

Parent: General Rental Centers

Extended NAICS 532310-04 companies 565companies

Buildings-Pole

Parent: Commercial and Institutional Building Construction

Extended NAICS 236220-10 companies 150companies

Plastics-Products NEC (Manufacturing)

Parent: All Other Plastics Product Manufacturing

Extended NAICS 326199-17 companies 375companies

Distribution Centers (Wholesale)

Parent: Other Miscellaneous Durable Goods Merchant Wholesalers

Extended NAICS 423990-04 companies 1,293companies

Manufacturers-Agents & Representatives (Wholesale)

Parent: Other Miscellaneous Durable Goods Merchant Wholesalers

Extended NAICS 423990-26 companies 3,164companies

Misc Non-Durable Goods NEC (Wholesale)

Parent: Wholesale Trade Agents and Brokers

Extended NAICS 425120-39 companies 880companies

Computer & Electronic Equipment Movers

Parent: Specialized Freight (except Used Goods) Trucking, Local

Extended NAICS 484220-03 companies 4companies

Plastics-Products-Finished (Manufacturing)

Parent: All Other Plastics Product Manufacturing

Extended NAICS 326199-18 companies 124companies

Wholesalers

Parent: Toy and Hobby Goods and Supplies Merchant Wholesalers

Extended NAICS 423920-23 companies 3,453companies

Shipping Masters

Parent: Local Messengers and Local Delivery

Extended NAICS 492210-03 companies 13companies

Bus Conversion

Parent: Automotive Body, Paint, and Interior Repair and Maintenance

Extended NAICS 811121-13 companies 5companies

Installation Or Erection-Bldg Equipment NEC

Parent: Other Building Equipment Contractors

Extended NAICS 238290-06 companies 474companies

Plastics-Scrap (Wholesale)

Parent: Recyclable Material Merchant Wholesalers

Extended NAICS 423930-14 companies 39companies

Local Trucking With Storage

Parent: General Freight Trucking, Local

Extended NAICS 484110-08 companies 122companies

Business Records & Documents-Storage

Parent: All Other Business Support Services

Extended NAICS 561499-03 companies 342companies

Correctional Institutions-Private

Parent: Facilities Support Services

Extended NAICS 561210-02 companies 174companies

City Govt-Correctional Institutions

Parent: Correctional Institutions

Extended NAICS 922140-01 companies 175companies

Clinics

Parent: Freestanding Ambulatory Surgical and Emergency Centers

Extended NAICS 621493-01 companies —

Federal Govt-Correctional Institutions

Parent: Correctional Institutions

Extended NAICS 922140-03 companies 42companies

State Government-Public Order & Safety

Parent: Other Justice, Public Order, and Safety Activities

Extended NAICS 922190-06 companies 64companies

Uniforms-Men's & Women's (Wholesale)

Parent: Clothing and Clothing Accessories Merchant Wholesalers

Extended NAICS 424350-70 companies 23companies

Uniforms-Accessories (Wholesale)

Parent: Clothing and Clothing Accessories Merchant Wholesalers

Extended NAICS 424350-69 companies 3companies

State Government-Finance & Taxation

Parent: Public Finance Activities

Extended NAICS 921130-05 companies 306companies

Embassies & Legations

Parent: International Affairs

Extended NAICS 928120-07 companies 596companies

Brass-Decorative Accessories (Retail)

Parent: All Other Home Furnishings Retailers

Extended NAICS 449129-08 companies 3companies

Money Order Service

Parent: Financial Transactions Processing, Reserve, and Clearinghouse Activities

Extended NAICS 522320-08 companies 10,955companies

Government Ofcs-Authorities/Commissions

Parent: Legislative Bodies

Extended NAICS 921120-15 companies 169companies

Pens & Pencils (Wholesale)

Parent: Stationery and Office Supplies Merchant Wholesalers

Extended NAICS 424120-24 companies 20companies

Modular Products (Manufacturing)

Parent: Office Furniture (except Wood) Manufacturing

Extended NAICS 337214-05 companies 14companies

Drug Detection Service & Equipment

Parent: Medical Laboratories

Extended NAICS 621511-03 companies 921companies

County Government-Fire Protection

Parent: Fire Protection

Extended NAICS 922160-01 companies 118companies

Federal Govt-Veterans Affairs Admin

Parent: Administration of Veterans' Affairs

Extended NAICS 923140-03 companies —

Other classifications

Search "medical-office" 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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