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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 "naics:6219"

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

Air Ambulance Service

Parent: Ambulance Services

Extended NAICS 621910-01 companies 312companies

Ambulance Service

Parent: Ambulance Services

Extended NAICS 621910-02 companies 4,000companies

Ambulette Service

Parent: Ambulance Services

Extended NAICS 621910-03 companies 44companies

Rescue Squads

Parent: Ambulance Services

Extended NAICS 621910-04 companies 309companies

Blood Banks & Centers

Parent: Blood and Organ Banks

Extended NAICS 621991-01 companies —

Organ & Tissue Banks

Parent: Blood and Organ Banks

Extended NAICS 621991-02 companies 92companies

Egg Donation

Parent: Blood and Organ Banks

Extended NAICS 621991-03 companies 15companies

Eye Banks

Parent: Blood and Organ Banks

Extended NAICS 621991-04 companies 18companies

Transplant-Organs

Parent: Blood and Organ Banks

Extended NAICS 621991-05 companies 63companies

Bone Marrow Registry

Parent: Blood and Organ Banks

Extended NAICS 621991-06 companies 1companies

Organ & Tissue Banks Info & Referral Service

Parent: Blood and Organ Banks

Extended NAICS 621991-07 companies 5companies

Aids Information & Testing

Parent: All Other Miscellaneous Ambulatory Health Care Services

Extended NAICS 621999-01 companies 108companies

Audiometric Testing

Parent: All Other Miscellaneous Ambulatory Health Care Services

Extended NAICS 621999-02 companies 2companies

Polarity Therapy

Parent: All Other Miscellaneous Ambulatory Health Care Services

Extended NAICS 621999-04 companies 2companies

Chiropractic Doctor Info Bureaus

Parent: All Other Miscellaneous Ambulatory Health Care Services

Extended NAICS 621999-05 companies 17companies

Colonic Irrigation

Parent: All Other Miscellaneous Ambulatory Health Care Services

Extended NAICS 621999-06 companies 159companies

Medical Emergency Training

Parent: All Other Miscellaneous Ambulatory Health Care Services

Extended NAICS 621999-07 companies 494companies

Aids & Hiv Counseling Service

Parent: All Other Miscellaneous Ambulatory Health Care Services

Extended NAICS 621999-08 companies 13companies

Dentist Information Bureaus

Parent: All Other Miscellaneous Ambulatory Health Care Services

Extended NAICS 621999-09 companies 75companies

Dentists Service Organizations

Parent: All Other Miscellaneous Ambulatory Health Care Services

Extended NAICS 621999-10 companies 47companies

Drugless Practitioners

Parent: All Other Miscellaneous Ambulatory Health Care Services

Extended NAICS 621999-11 companies 1companies

First Aid Service

Parent: All Other Miscellaneous Ambulatory Health Care Services

Extended NAICS 621999-12 companies 57companies

Hand Therapy

Parent: All Other Miscellaneous Ambulatory Health Care Services

Extended NAICS 621999-13 companies 29companies

Health & Allied Services

Parent: All Other Miscellaneous Ambulatory Health Care Services

Extended NAICS 621999-14 companies 877companies

Health & Welfare Agencies

Parent: All Other Miscellaneous Ambulatory Health Care Services

Extended NAICS 621999-15 companies 475companies

Health Care Utilization Review

Parent: All Other Miscellaneous Ambulatory Health Care Services

Extended NAICS 621999-16 companies 12companies

Health Education

Parent: All Other Miscellaneous Ambulatory Health Care Services

Extended NAICS 621999-17 companies 208companies

Health Information & Referral Programs

Parent: All Other Miscellaneous Ambulatory Health Care Services

Extended NAICS 621999-18 companies 332companies

Health Maintenance Organizations

Parent: All Other Miscellaneous Ambulatory Health Care Services

Extended NAICS 621999-19 companies 171companies

Health Recording Service

Parent: All Other Miscellaneous Ambulatory Health Care Services

Extended NAICS 621999-20 companies 5companies

Health Services

Parent: All Other Miscellaneous Ambulatory Health Care Services

Extended NAICS 621999-21 companies 33,853companies

Health Services-Extended Care

Parent: All Other Miscellaneous Ambulatory Health Care Services

Extended NAICS 621999-22 companies 90companies

Hearing Testing-Industrial

Parent: All Other Miscellaneous Ambulatory Health Care Services

Extended NAICS 621999-24 companies 4companies

Herbalists

Parent: All Other Miscellaneous Ambulatory Health Care Services

Extended NAICS 621999-25 companies 97companies

Holistic Practitioners

Parent: All Other Miscellaneous Ambulatory Health Care Services

Extended NAICS 621999-26 companies —

Hypnotherapy

Parent: All Other Miscellaneous Ambulatory Health Care Services

Extended NAICS 621999-27 companies 498companies

Mechanotherapists Dm

Parent: All Other Miscellaneous Ambulatory Health Care Services

Extended NAICS 621999-29 companies 41companies

Medical & Surgical Service Organizations

Parent: All Other Miscellaneous Ambulatory Health Care Services

Extended NAICS 621999-30 companies 422companies

Medical Examinations-Insurance

Parent: All Other Miscellaneous Ambulatory Health Care Services

Extended NAICS 621999-31 companies 134companies

Medical Examiners

Parent: All Other Miscellaneous Ambulatory Health Care Services

Extended NAICS 621999-32 companies 56companies

Medical Groups

Parent: All Other Miscellaneous Ambulatory Health Care Services

Extended NAICS 621999-33 companies 904companies

Medical Information Services

Parent: All Other Miscellaneous Ambulatory Health Care Services

Extended NAICS 621999-34 companies 186companies

Medical Services-Mobile

Parent: All Other Miscellaneous Ambulatory Health Care Services

Extended NAICS 621999-35 companies 67companies

Cognitive Disability Information Centers

Parent: All Other Miscellaneous Ambulatory Health Care Services

Extended NAICS 621999-36 companies 122companies

Milk Banks

Parent: All Other Miscellaneous Ambulatory Health Care Services

Extended NAICS 621999-37 companies 9companies

Naprapaths

Parent: All Other Miscellaneous Ambulatory Health Care Services

Extended NAICS 621999-38 companies 36companies

Optometrists Referral & Info Service

Parent: All Other Miscellaneous Ambulatory Health Care Services

Extended NAICS 621999-39 companies 16companies

Oxygen Therapy Equipment

Parent: All Other Miscellaneous Ambulatory Health Care Services

Extended NAICS 621999-40 companies 61companies

Parapsychologists

Parent: All Other Miscellaneous Ambulatory Health Care Services

Extended NAICS 621999-42 companies 13companies

Physical Culture Institutes

Parent: All Other Miscellaneous Ambulatory Health Care Services

Extended NAICS 621999-44 companies 1companies

Physical Therapists' Referral & Info Service

Parent: All Other Miscellaneous Ambulatory Health Care Services

Extended NAICS 621999-45 companies 1companies

Physicians & Surgeons Information Bureau

Parent: All Other Miscellaneous Ambulatory Health Care Services

Extended NAICS 621999-46 companies 214companies

Plasma Collectors

Parent: All Other Miscellaneous Ambulatory Health Care Services

Extended NAICS 621999-47 companies 532companies

Poison Control Centers

Parent: All Other Miscellaneous Ambulatory Health Care Services

Extended NAICS 621999-48 companies 39companies

Reflexologists

Parent: All Other Miscellaneous Ambulatory Health Care Services

Extended NAICS 621999-49 companies 274companies

Sperm Banks

Parent: All Other Miscellaneous Ambulatory Health Care Services

Extended NAICS 621999-50 companies 29companies

Spinal Decompression

Parent: All Other Miscellaneous Ambulatory Health Care Services

Extended NAICS 621999-51 companies 16companies

Wellness Programs

Parent: All Other Miscellaneous Ambulatory Health Care Services

Extended NAICS 621999-52 companies 7,919companies

Health Care Alternatives

Parent: All Other Miscellaneous Ambulatory Health Care Services

Extended NAICS 621999-53 companies 61companies

Laser Treatments

Parent: All Other Miscellaneous Ambulatory Health Care Services

Extended NAICS 621999-54 companies 104companies

Learning Disabilities Information Service

Parent: All Other Miscellaneous Ambulatory Health Care Services

Extended NAICS 621999-56 companies 68companies

Acupuncture Information & Referral Service

Parent: All Other Miscellaneous Ambulatory Health Care Services

Extended NAICS 621999-57 companies 1companies

Medical Alert Systems

Parent: All Other Miscellaneous Ambulatory Health Care Services

Extended NAICS 621999-58 companies 50companies

Hiv Information & Services

Parent: All Other Miscellaneous Ambulatory Health Care Services

Extended NAICS 621999-59 companies 16companies

Hearing Imparied Relay Service

Parent: All Other Miscellaneous Ambulatory Health Care Services

Extended NAICS 621999-60 companies 7companies

Trucking-Dot Medical Exams

Parent: All Other Miscellaneous Ambulatory Health Care Services

Extended NAICS 621999-61 companies 10companies

Sleep Disorders-Diagnostic/Treatment

Parent: All Other Miscellaneous Ambulatory Health Care Services

Extended NAICS 621999-62 companies 1,274companies

Other classifications

Search "naics:6219" in SIC 6-Digit codes →

Sources & methodology

NAICS definitions: U.S. Census Bureau, 2022

SIC definitions: OSHA SIC Manual

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