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

SIC 6-Digit Codes for "medical-doctor"

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

Medical Services-Temporary

Parent: Help Supply Services

SIC Marketing Level 7363-05 companies 63companies

Medical Centers

Parent: General Medical and Surgical Hospitals

SIC Marketing Level 8062-01 companies 8,248companies

Medical Spas

Parent: Offices and Clinics of Health Practitioners, Not Elsewhere Classified

SIC Marketing Level 8049-74 companies 2,823companies

Medical Services-Mobile

Parent: Health and Allied Services, Not Elsewhere Classified

SIC Marketing Level 8099-51 companies 67companies

Hospital & Medical Service Plans

Parent: Hospital and Medical Service Plans

SIC Marketing Level 6324-98 companies 160companies

Emergency Medical & Surgical Service

Parent: General Medical and Surgical Hospitals

SIC Marketing Level 8062-03 companies —

X-Ray Laboratories Medical & Dental

Parent: Medical Laboratories

SIC Marketing Level 8071-03 companies 141companies

Medical Research

Parent: Noncommercial Research Organizations

SIC Marketing Level 8733-04 companies 864companies

Schools-Medical

Parent: Colleges, Universities, and Professional Schools

SIC Marketing Level 8221-08 companies 610companies

Medical Emergency Training

Parent: Health and Allied Services, Not Elsewhere Classified

SIC Marketing Level 8099-48 companies 494companies

Medical Transportation

Parent: Local Passenger Transportation, Not Elsewhere Classified

SIC Marketing Level 4119-12 companies 493companies

Medical & Surgical Service Organizations

Parent: Health and Allied Services, Not Elsewhere Classified

SIC Marketing Level 8099-13 companies 422companies

Medical Business Administration

Parent: Management Services

SIC Marketing Level 8741-01 companies 317companies

Medical Software (Retail)

Parent: Computer and Computer Software Stores

SIC Marketing Level 5734-16 companies 278companies

Medical Information Services

Parent: Health and Allied Services, Not Elsewhere Classified

SIC Marketing Level 8099-12 companies 186companies

Medical Transcription Service

Parent: Secretarial and Court Reporting Services

SIC Marketing Level 7338-09 companies 172companies

Waste Removal-Medical

Parent: Refuse Systems

SIC Marketing Level 4953-15 companies 171companies

Medical Records Service

Parent: Business Services, Not Elsewhere Classified

SIC Marketing Level 7389-69 companies 166companies

Schools-Medical & Dental-Assistants/Tech

Parent: Vocational Schools, Not Elsewhere Classified

SIC Marketing Level 8249-06 companies 129companies

Medical Staff Relief

Parent: Help Supply Services

SIC Marketing Level 7363-09 companies 124companies

Medical Alarms (Wholesale)

Parent: Medical, Dental, and Hospital Equipment and Supplies

SIC Marketing Level 5047-11 companies 105companies

Medical Legal Consultants

Parent: Business Consulting Services, Not Elsewhere Classified

SIC Marketing Level 8748-72 companies 63companies

Medical Examiners

Parent: Health and Allied Services, Not Elsewhere Classified

SIC Marketing Level 8099-39 companies 56companies

Oxygen-Medical (Wholesale)

Parent: Medical, Dental, and Hospital Equipment and Supplies

SIC Marketing Level 5047-22 companies 50companies

Medical Alert Systems

Parent: Health and Allied Services, Not Elsewhere Classified

SIC Marketing Level 8099-65 companies 50companies

Medical Provider Consultants

Parent: Hospital and Medical Service Plans

SIC Marketing Level 6324-06 companies 31companies

Medical Gas Piping Systs-Install (Manufacturing)

Parent: Steel Pipe and Tubes

SIC Marketing Level 3317-04 companies 10companies

Books-Medical (Retail)

Parent: Book Stores

SIC Marketing Level 5942-10 companies 7companies

Medical Courier Service

Parent: Courier Services, except by Air

SIC Marketing Level 4215-06 companies 6companies

Trucking-Dot Medical Exams

Parent: Health and Allied Services, Not Elsewhere Classified

SIC Marketing Level 8099-70 companies 10companies

Hospitalization Plans-Medical & Surgical

Parent: Hospital and Medical Service Plans

SIC Marketing Level 6324-02 companies 285companies

Gases-Industrial & Medical (Manufacturing)

Parent: Industrial Gases

SIC Marketing Level 2813-04 companies 74companies

Gas Testing-Medical

Parent: Medical Laboratories

SIC Marketing Level 8071-20 companies 3companies

Emergency Industrial Medical Units

Parent: Specialty Outpatient Facilities, Not Elsewhere Classified

SIC Marketing Level 8093-11 companies —

Electromedical/Therapeutic Apprts (Manufacturing)

Parent: Electromedical and Electrotherapeutic Apparatus

SIC Marketing Level 3845-98 companies 451companies

Medical Insurance Plans

Parent: Hospital and Medical Service Plans

SIC Marketing Level 6324-01 companies 195companies

Offices & Clinics Of Doctors-Osteopathy

Parent: Offices and Clinics of Doctors of Osteopathy

SIC Marketing Level 8031-98 companies 104companies

Medical Groups

Parent: Health and Allied Services, Not Elsewhere Classified

SIC Marketing Level 8099-11 companies 904companies

Medical Management Consultants

Parent: Business Consulting Services, Not Elsewhere Classified

SIC Marketing Level 8748-42 companies 516companies

Medical Examinations-Insurance

Parent: Health and Allied Services, Not Elsewhere Classified

SIC Marketing Level 8099-15 companies 134companies

Medical Fitness Centers

Parent: Physical Fitness Facilities

SIC Marketing Level 7991-10 companies 36companies

Surgical & Medical Plans

Parent: Hospital and Medical Service Plans

SIC Marketing Level 6324-07 companies 12companies

Laboratories-Medical

Parent: Medical Laboratories

SIC Marketing Level 8071-01 companies 6,288companies

Genetics Medical

Parent: Noncommercial Research Organizations

SIC Marketing Level 8733-15 companies 102companies

Laser Medical (Manufacturing)

Parent: Electromedical and Electrotherapeutic Apparatus

SIC Marketing Level 3845-02 companies 22companies

Veterinary Medical Laboratories

Parent: Testing Laboratories

SIC Marketing Level 8734-29 companies 11companies

Trusses-Medical & Surgical (Wholesale)

Parent: Medical, Dental, and Hospital Equipment and Supplies

SIC Marketing Level 5047-09 companies 1companies

Emergency Minor Medical Facilities Services

Parent: Specialty Outpatient Facilities, Not Elsewhere Classified

SIC Marketing Level 8093-07 companies —

Chiropractic Doctor Info Bureaus

Parent: Health and Allied Services, Not Elsewhere Classified

SIC Marketing Level 8099-18 companies 17companies

Medical Management Service

Parent: Social Services, Not Elsewhere Classified

SIC Marketing Level 8399-11 companies 455companies

Gas-Ind & Medical-Cylinder & Bulk (Manufacturing)

Parent: Industrial Gases

SIC Marketing Level 2813-01 companies 375companies

Medical Electronics (Wholesale)

Parent: Medical, Dental, and Hospital Equipment and Supplies

SIC Marketing Level 5047-31 companies 26companies

Medical Cleaning Equipment (Manufacturing)

Parent: Surgical and Medical Instruments and Apparatus

SIC Marketing Level 3841-12 companies 192companies

Medical Equipment-Rentals

Parent: Medical Equipment Rental and Leasing

SIC Marketing Level 7352-06 companies 168companies

Medical Imaging Equipment & Systems (Wholesale)

Parent: Medical, Dental, and Hospital Equipment and Supplies

SIC Marketing Level 5047-20 companies 294companies

Medical Equipment Repairing

Parent: Repair Shops and Related Services, Not Elsewhere Classified

SIC Marketing Level 7699-63 companies 201companies

Medical Diagnostic Equipment-Mobile

Parent: Offices and Clinics of Health Practitioners, Not Elsewhere Classified

SIC Marketing Level 8049-29 companies 34companies

Medical Equipment Installation

Parent: Installation or Erection of Building Equipment, Not Elsewhere Classified

SIC Marketing Level 1796-15 companies 20companies

University/College-Graduate Schools

Parent: Colleges, Universities, and Professional Schools

SIC Marketing Level 8221-17 companies 249companies

Dictating Machine Transcribing

Parent: Secretarial and Court Reporting Services

SIC Marketing Level 7338-13 companies 1companies

Otorhinolaryngology Ear Nose Physician

Parent: Offices and Clinics of Doctors of Medicine

SIC Marketing Level 8011-37 companies 634companies

Drug (Manufacturing) Representatives (Wholesale)

Parent: Drugs, Drug Proprietaries, and Druggists' Sundries

SIC Marketing Level 5122-24 companies 2companies

Pad Printing (Manufacturing)

Parent: Commercial Printing, Not Elsewhere Classified

SIC Marketing Level 2759-36 companies 3companies

Ophthalmologists

Parent: Offices and Clinics of Doctors of Medicine

SIC Marketing Level 8011-11 companies 1,492companies

Physicians & Surgeons Equipment & Supplies (Wholesale)

Parent: Medical, Dental, and Hospital Equipment and Supplies

SIC Marketing Level 5047-04 companies 6,367companies

Home Health & Health Care Equipment (Retail)

Parent: Miscellaneous Retail Stores, Not Elsewhere Classified

SIC Marketing Level 5999-20 companies 1,678companies

Gas-Indstrl/Med-Cylinder & Bulk (Wholesale)

Parent: Petroleum and Petroleum Products Wholesalers, except Bulk Stations and Terminals

SIC Marketing Level 5172-05 companies 915companies

Health & Allied Services

Parent: Health and Allied Services, Not Elsewhere Classified

SIC Marketing Level 8099-99 companies 877companies

Air Ambulance Service

Parent: Air Transportation, Nonscheduled

SIC Marketing Level 4522-02 companies 312companies

Grinding-Precision & Production (Manufacturing)

Parent: Coating, Engraving, and Allied Services, Not Elsewhere Classified

SIC Marketing Level 3479-10 companies 299companies

Physicians & Surgeons Information Bureau

Parent: Health and Allied Services, Not Elsewhere Classified

SIC Marketing Level 8099-01 companies 214companies

Electronic Manufacturing Services

Parent: Electronic Components, Not Elsewhere Classified

SIC Marketing Level 3679-14 companies 207companies

Druggists-Sundries To The Trade (Wholesale)

Parent: Drugs, Drug Proprietaries, and Druggists' Sundries

SIC Marketing Level 5122-06 companies 162companies

Surgical Appliances (Retail)

Parent: Miscellaneous Retail Stores, Not Elsewhere Classified

SIC Marketing Level 5999-13 companies 119companies

Electronic Imaging

Parent: Medical Laboratories

SIC Marketing Level 8071-22 companies 106companies

Lasers Equipment ment & Service (Wholesale)

Parent: Electrical Apparatus and Equipment Wiring Supplies, and Construction Materials

SIC Marketing Level 5063-83 companies 74companies

Microscopes (Wholesale)

Parent: Medical, Dental, and Hospital Equipment and Supplies

SIC Marketing Level 5047-13 companies 63companies

Electronic Instruments (Manufacturing)

Parent: Electronic Components, Not Elsewhere Classified

SIC Marketing Level 3679-05 companies 55companies

X-Ray Apparatus & Supplies (Manufacturing)

Parent: X-ray Apparatus and Tubes and Related Irradiation Apparatus

SIC Marketing Level 3844-01 companies 55companies

Healthcare Apparel & Supplies (Retail)

Parent: Miscellaneous Apparel and Accessory Stores

SIC Marketing Level 5699-29 companies 51companies

Laboratories-Biological

Parent: Medical Laboratories

SIC Marketing Level 8071-07 companies 49companies

Health Equipment & Supplies (Manufacturing)

Parent: Sporting and Athletic Goods, Not Elsewhere Classified

SIC Marketing Level 3949-17 companies 47companies

Health Equipment & Supplies (Wholesale)

Parent: Sporting and Recreational Goods and Supplies

SIC Marketing Level 5091-48 companies 43companies

Pharmaceutical Cntnrs Equipment Supplies (Manufacturing)

Parent: Plastics Products, Not Elsewhere Classified

SIC Marketing Level 3089-16 companies 40companies

X-Ray Apparatus & Tubes (Manufacturing)

Parent: X-ray Apparatus and Tubes and Related Irradiation Apparatus

SIC Marketing Level 3844-98 companies 32companies

Circuit Board Assembly & Repairs (Manufacturing)

Parent: Printed Circuit Boards

SIC Marketing Level 3672-03 companies 30companies

Hospital Equipment Repairing & Refinishing

Parent: Repair Shops and Related Services, Not Elsewhere Classified

SIC Marketing Level 7699-31 companies 29companies

Sterilizing Apparatus (Manufacturing)

Parent: Orthopedic, Prosthetic, and Surgical Appliances and Supplies

SIC Marketing Level 3842-21 companies 18companies

Distilled Water (Retail)

Parent: Miscellaneous Food Stores

SIC Marketing Level 5499-25 companies 17companies

Health Services

Parent: Health and Allied Services, Not Elsewhere Classified

SIC Marketing Level 8099-07 companies 33,853companies

Hospital Transportation Service

Parent: Transportation Services, Not Elsewhere Classified

SIC Marketing Level 4789-07 companies 4companies

First Aid Service

Parent: Health and Allied Services, Not Elsewhere Classified

SIC Marketing Level 8099-40 companies 57companies

Physicians & Surgeons Equipment & Supplies (Manufacturing)

Parent: Surgical and Medical Instruments and Apparatus

SIC Marketing Level 3841-04 companies 1,441companies

Engineers-Biomedical

Parent: Commercial Physical and Biological Research

SIC Marketing Level 8731-12 companies 73companies

Ambulance Service

Parent: Local Passenger Transportation, Not Elsewhere Classified

SIC Marketing Level 4119-02 companies 4,000companies

Hospital Beds-Renting

Parent: Medical Equipment Rental and Leasing

SIC Marketing Level 7352-01 companies 1companies

Surgical/Med Instruments/Apparatus (Manufacturing)

Parent: Surgical and Medical Instruments and Apparatus

SIC Marketing Level 3841-98 companies 621companies

Ambulette Service

Parent: Local Passenger Transportation, Not Elsewhere Classified

SIC Marketing Level 4119-05 companies 44companies

Paramedics

Parent: Offices and Clinics of Health Practitioners, Not Elsewhere Classified

SIC Marketing Level 8049-19 companies 20companies

Ambulances & Hearses Equipment Supplies (Wholesale)

Parent: Motor Vehicle Supplies and New Parts

SIC Marketing Level 5013-66 companies 20companies

Ambulances & Hearses-Renting

Parent: Passenger Car Rental

SIC Marketing Level 7514-05 companies 6companies

Nephrology

Parent: Offices and Clinics of Doctors of Medicine

SIC Marketing Level 8011-27 companies 485companies

Oculists MD

Parent: Offices and Clinics of Doctors of Medicine

SIC Marketing Level 8011-18 companies 24companies

Nurses Licensed Practical Lpn

Parent: Offices and Clinics of Health Practitioners, Not Elsewhere Classified

SIC Marketing Level 8049-93 companies 4,535companies

Health Plans

Parent: Hospital and Medical Service Plans

SIC Marketing Level 6324-04 companies 344companies

Addiction Treatment Centers

Parent: Social Services, Not Elsewhere Classified

SIC Marketing Level 8399-21 companies 1,371companies

In-Patient Clinics & Treatment Ctr

Parent: Offices and Clinics of Doctors of Medicine

SIC Marketing Level 8011-33 companies 23companies

Laboratories-Clinical

Parent: Medical Laboratories

SIC Marketing Level 8071-04 companies 604companies

Pulmonary & Respiratory Diseases

Parent: Offices and Clinics of Doctors of Medicine

SIC Marketing Level 8011-38 companies 387companies

Shoes-Orthopedic (Manufacturing)

Parent: Orthopedic, Prosthetic, and Surgical Appliances and Supplies

SIC Marketing Level 3842-08 companies —

Retirement Apartments & Hotels

Parent: Operators of Apartment Buildings

SIC Marketing Level 6513-05 companies 43companies

Health Related Facilities

Parent: Specialty Outpatient Facilities, Not Elsewhere Classified

SIC Marketing Level 8093-06 companies 37companies

Health Care Utilization Review

Parent: Health and Allied Services, Not Elsewhere Classified

SIC Marketing Level 8099-43 companies 12companies

Paper Mill Supplies (Wholesale)

Parent: Industrial Supplies

SIC Marketing Level 5085-51 companies 9companies

Law Schools

Parent: Colleges, Universities, and Professional Schools

SIC Marketing Level 8221-03 companies 156companies

Organizations-International

Parent: International Affairs

SIC Marketing Level 9721-06 companies 8companies

Handbags (Manufacturing)

Parent: Women's Handbags and Purses

SIC Marketing Level 3171-01 companies 37companies

Health Care Instruction

Parent: Individual and Family Social Services

SIC Marketing Level 8322-59 companies 851companies

Outpatient Services

Parent: Specialty Outpatient Facilities, Not Elsewhere Classified

SIC Marketing Level 8093-03 companies 1,364companies

Specialty Outpatient Clinics NEC

Parent: Specialty Outpatient Facilities, Not Elsewhere Classified

SIC Marketing Level 8093-99 companies 289companies

Health Facilities

Parent: Nursing and Personal Care Facilities, Not Elsewhere Classified

SIC Marketing Level 8059-05 companies 389companies

Hospital Service Organizations

Parent: Individual and Family Social Services

SIC Marketing Level 8322-65 companies 14companies

Clinics

Parent: Offices and Clinics of Doctors of Medicine

SIC Marketing Level 8011-04 companies 56,352companies

House Calls Physicians

Parent: Offices and Clinics of Doctors of Medicine

SIC Marketing Level 8011-22 companies —

Hospitals

Parent: General Medical and Surgical Hospitals

SIC Marketing Level 8062-02 companies 4,752companies

Rotogravure Printers (Manufacturing)

Parent: Commercial Printing, Gravure

SIC Marketing Level 2754-02 companies —

Engravers-Rotogravure (Manufacturing)

Parent: Commercial Printing, Gravure

SIC Marketing Level 2754-04 companies 3companies

Commercial Printing-Gravure (Manufacturing)

Parent: Commercial Printing, Gravure

SIC Marketing Level 2754-98 companies 12companies

Offices Of Health Practitioners NEC

Parent: Offices and Clinics of Health Practitioners, Not Elsewhere Classified

SIC Marketing Level 8049-99 companies 2,011companies

Other classifications

Search "medical-doctor" in Extended NAICS →

Sources & methodology

NAICS definitions: U.S. Census Bureau, 2022

SIC definitions: OSHA SIC Manual

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