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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 "clinical-laboratory"

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

Laboratories-Clinical

Parent: Medical Laboratories

Extended NAICS 621511-05 companies 604companies

Laboratory Set-Up Consultants

Parent: Administrative Management and General Management Consulting Services

Extended NAICS 541611-18 companies 6companies

Laboratories-Medical

Parent: Medical Laboratories

Extended NAICS 621511-06 companies 6,288companies

Laboratories-Biological

Parent: Medical Laboratories

Extended NAICS 621511-04 companies 49companies

Pharmaceutical Research Laboratories

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

Extended NAICS 541715-06 companies 233companies

Animals-Laboratory Use

Parent: All Other Animal Production

Extended NAICS 112990-04 companies 8companies

Laboratories Water & Waste Water

Parent: Testing Laboratories and Services

Extended NAICS 541380-53 companies 2companies

Geological Laboratories

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

Extended NAICS 541715-14 companies 2companies

Laboratory Furniture (Manufacturing)

Parent: Analytical Laboratory Instrument Manufacturing

Extended NAICS 334516-03 companies 16companies

Laboratories-Dental (Manufacturing)

Parent: Dental Laboratories

Extended NAICS 339116-04 companies 3,517companies

Laboratories-Pharmaceutical (Manufacturing)

Parent: Pharmaceutical Preparation Manufacturing

Extended NAICS 325412-03 companies 110companies

Veterinary Medical Laboratories

Parent: Veterinary Services

Extended NAICS 541940-14 companies 11companies

Laboratories-Veterinary

Parent: Veterinary Services

Extended NAICS 541940-04 companies 84companies

Laboratories-Testing

Parent: Testing Laboratories and Services

Extended NAICS 541380-23 companies 1,500companies

Laboratories-Research & Development

Parent: Research and Development in Biotechnology (except Nanobiotechnology)

Extended NAICS 541714-01 companies 884companies

Laboratories-Biochemical

Parent: Research and Development in Biotechnology (except Nanobiotechnology)

Extended NAICS 541714-21 companies 27companies

Social Workers-Clinical

Parent: Other Individual and Family Services

Extended NAICS 624190-44 companies 2,447companies

Veterinarians-Laboratory Animal Med

Parent: Veterinary Services

Extended NAICS 541940-16 companies 5companies

Allergy Laboratories (Manufacturing)

Parent: Pharmaceutical Preparation Manufacturing

Extended NAICS 325412-13 companies 4companies

Dairy Laboratories

Parent: Testing Laboratories and Services

Extended NAICS 541380-11 companies 4companies

Optical Laboratories (Wholesale)

Parent: Ophthalmic Goods Merchant Wholesalers

Extended NAICS 423460-08 companies 7companies

Motion Picture Laboratories

Parent: Teleproduction and Other Postproduction Services

Extended NAICS 512191-05 companies 2companies

Laboratories-Analytical

Parent: Testing Laboratories and Services

Extended NAICS 541380-18 companies 190companies

Window Testing Laboratories

Parent: Testing Laboratories and Services

Extended NAICS 541380-49 companies 60companies

Nuclear Energy Laboratories

Parent: Medical Laboratories

Extended NAICS 621511-10 companies 3companies

X-Ray Laboratories-Dental

Parent: Medical Laboratories

Extended NAICS 621511-19 companies 14companies

Optical Laboratories (Manufacturing)

Parent: Ophthalmic Goods Manufacturing

Extended NAICS 339115-06 companies 11companies

Laboratories-Metallurgical

Parent: Testing Laboratories and Services

Extended NAICS 541380-21 companies 8companies

Laboratories-Petroleum

Parent: Testing Laboratories and Services

Extended NAICS 541380-22 companies 9companies

Laboratories-Marine Biological

Parent: Research and Development in Biotechnology (except Nanobiotechnology)

Extended NAICS 541714-20 companies 6companies

Laboratories-Agricultural

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

Extended NAICS 541715-11 companies 8companies

Laboratories-Psychological

Parent: Research and Development in the Social Sciences and Humanities

Extended NAICS 541720-09 companies 1companies

Photo Laboratories-Commercial

Parent: Photofinishing Laboratories (except One-Hour)

Extended NAICS 812921-05 companies 42companies

X-Ray Laboratories Medical & Dental

Parent: Diagnostic Imaging Centers

Extended NAICS 621512-01 companies 141companies

Laboratory Analytical Instruments (Manufacturing)

Parent: Analytical Laboratory Instrument Manufacturing

Extended NAICS 334516-01 companies 677companies

Cannabis-Laboratory Testing

Parent: Testing Laboratories and Services

Extended NAICS 541380-55 companies 33companies

Laboratories

Parent: Research and Development in Biotechnology (except Nanobiotechnology)

Extended NAICS 541714-14 companies 5,658companies

X-Ray Laboratories-Industrial

Parent: Testing Laboratories and Services

Extended NAICS 541380-44 companies 20companies

Optical Laboratories (Retail)

Parent: Medical Laboratories

Extended NAICS 621511-18 companies 14companies

Scales & Balances-Ex Laboratory (Manufacturing)

Parent: All Other Miscellaneous General Purpose Machinery Manufacturing

Extended NAICS 333998-02 companies 11companies

Biological Laboratory Supplies (Wholesale)

Parent: Other Professional Equipment and Supplies Merchant Wholesalers

Extended NAICS 423490-04 companies 8companies

Laboratory Equipment & Supplies (Manufacturing)

Parent: Analytical Laboratory Instrument Manufacturing

Extended NAICS 334516-02 companies 126companies

Laboratory Equipment & Supplies Installation

Parent: Other Building Equipment Contractors

Extended NAICS 238290-14 companies 6companies

Laboratory Equipment & Supplies (Wholesale)

Parent: Other Professional Equipment and Supplies Merchant Wholesalers

Extended NAICS 423490-12 companies 306companies

Pathologists

Parent: Offices of Physicians (except Mental Health Specialists)

Extended NAICS 621111-06 companies 1,062companies

Cancer Treatment Centers

Parent: Specialty (except Psychiatric and Substance Abuse) Hospitals

Extended NAICS 622310-05 companies 1,597companies

Dental Schools

Parent: Colleges, Universities, and Professional Schools

Extended NAICS 611310-01 companies 143companies

Medical Services-Mobile

Parent: All Other Miscellaneous Ambulatory Health Care Services

Extended NAICS 621999-35 companies 67companies

Cancer Research Centers

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

Extended NAICS 541715-21 companies 87companies

Psychological Examiners

Parent: Other Scientific and Technical Consulting Services

Extended NAICS 541690-80 companies 129companies

Psychometric Services

Parent: Offices of All Other Miscellaneous Health Practitioners

Extended NAICS 621399-37 companies 2companies

Medical Software (Retail)

Parent: Electronics and Appliance Retailers

Extended NAICS 449210-81 companies 278companies

Microscopes (Wholesale)

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

Extended NAICS 423450-19 companies 63companies

Rabbits

Parent: Fur-Bearing Animal and Rabbit Production

Extended NAICS 112930-06 companies 12companies

Water Deionization (Manufacturing)

Parent: Pharmaceutical Preparation Manufacturing

Extended NAICS 325412-11 companies 6companies

Water Distilled (Manufacturing)

Parent: All Other Miscellaneous Chemical Product and Preparation Manufacturing

Extended NAICS 325998-21 companies 3companies

Scientific Apparatus & Instruments (Manufacturing)

Parent: Glass Product Manufacturing Made of Purchased Glass

Extended NAICS 327215-16 companies 80companies

Scales (Manufacturing)

Parent: All Other Miscellaneous General Purpose Machinery Manufacturing

Extended NAICS 333998-03 companies 67companies

Chemicals-Storage & Handling (Wholesale)

Parent: Other Chemical and Allied Products Merchant Wholesalers

Extended NAICS 424690-24 companies 21companies

Chemicals (Retail)

Parent: All Other General Merchandise Retailers

Extended NAICS 455219-31 companies 1,037companies

Calibration Services

Parent: Testing Laboratories and Services

Extended NAICS 541380-05 companies 279companies

Benches & Work Tables (Wholesale)

Parent: Furniture Merchant Wholesalers

Extended NAICS 423210-19 companies 4companies

Contamination Control Equipment & Supplies

Parent: Testing Laboratories and Services

Extended NAICS 541380-08 companies 9companies

Radioactivity Instruments Supplies/Service (Manufacturing)

Parent: Other Measuring and Controlling Device Manufacturing

Extended NAICS 334519-16 companies 4companies

Fingerprinting Equipment (Manufacturing)

Parent: All Other Miscellaneous Manufacturing

Extended NAICS 339999-22 companies 32companies

Gloves-Surgical & Examination (Wholesale)

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

Extended NAICS 423450-39 companies 2companies

Black Light Equipment & Supplies (Retail)

Parent: All Other Home Furnishings Retailers

Extended NAICS 449129-07 companies 2companies

Biological Waste Clean-Up

Parent: All Other Specialty Trade Contractors

Extended NAICS 238990-24 companies 14companies

Sterilizing Apparatus (Manufacturing)

Parent: Surgical Appliance and Supplies Manufacturing

Extended NAICS 339113-17 companies 18companies

Blood Tests

Parent: Medical Laboratories

Extended NAICS 621511-02 companies 33companies

Medical Centers

Parent: General Medical and Surgical Hospitals

Extended NAICS 622110-03 companies 8,248companies

Bacteriologists

Parent: Medical Laboratories

Extended NAICS 621511-01 companies 4companies

Radiology Schools

Parent: Colleges, Universities, and Professional Schools

Extended NAICS 611310-06 companies 11companies

Experimental Work

Parent: Research and Development in Biotechnology (except Nanobiotechnology)

Extended NAICS 541714-13 companies 9companies

Schools-Medical & Dental-Assistants/Tech

Parent: Other Technical and Trade Schools

Extended NAICS 611519-17 companies 129companies

Schools-Medical

Parent: Colleges, Universities, and Professional Schools

Extended NAICS 611310-08 companies 610companies

Medical Services-Temporary

Parent: Professional Employer Organizations

Extended NAICS 561330-02 companies 63companies

Technicians

Parent: Medical Laboratories

Extended NAICS 621511-13 companies 26companies

Biological Supplies (Wholesale)

Parent: Drugs and Druggists' Sundries Merchant Wholesalers

Extended NAICS 424210-22 companies 9companies

Toxicologists

Parent: Medical Laboratories

Extended NAICS 621511-25 companies 34companies

Health Recording Service

Parent: All Other Miscellaneous Ambulatory Health Care Services

Extended NAICS 621999-20 companies 5companies

Nursing Consultants

Parent: Other Scientific and Technical Consulting Services

Extended NAICS 541690-25 companies 78companies

Drug (Manufacturing)

Parent: Pharmaceutical Preparation Manufacturing

Extended NAICS 325412-02 companies 195companies

Nurses Schools

Parent: Other Technical and Trade Schools

Extended NAICS 611519-11 companies 349companies

Endermologie

Parent: Offices of Physicians (except Mental Health Specialists)

Extended NAICS 621111-14 companies 1companies

Electro Body Sculpting

Parent: Diet and Weight Reducing Centers

Extended NAICS 812191-06 companies 69companies

Psychologists

Parent: Offices of All Other Miscellaneous Health Practitioners

Extended NAICS 621399-36 companies 45,799companies

Medical Research

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

Extended NAICS 541715-18 companies 864companies

Pilates

Parent: Fitness and Recreational Sports Centers

Extended NAICS 713940-23 companies 1,952companies

Pharmacologists

Parent: Professional Organizations

Extended NAICS 813920-04 companies 30companies

Deodorants (Manufacturing)

Parent: Polish and Other Sanitation Good Manufacturing

Extended NAICS 325612-04 companies 10companies

Deodorants (Wholesale)

Parent: Other Chemical and Allied Products Merchant Wholesalers

Extended NAICS 424690-33 companies 6companies

Pharmaceutical Schools

Parent: Colleges, Universities, and Professional Schools

Extended NAICS 611310-11 companies 50companies

Genetics Medical

Parent: Research and Development in Biotechnology (except Nanobiotechnology)

Extended NAICS 541714-11 companies 102companies

Personology

Parent: All Other Miscellaneous Schools and Instruction

Extended NAICS 611699-26 companies —

Pharmacists

Parent: Offices of Mental Health Practitioners (except Physicians)

Extended NAICS 621330-02 companies 85,259companies

Cancer Information

Parent: Other Individual and Family Services

Extended NAICS 624190-51 companies 306companies

Patient Advocates

Parent: Other Social Advocacy Organizations

Extended NAICS 813319-19 companies 59companies

Egg Donation

Parent: Blood and Organ Banks

Extended NAICS 621991-03 companies 15companies

Medical Examiners

Parent: All Other Miscellaneous Ambulatory Health Care Services

Extended NAICS 621999-32 companies 56companies

Hospital Service Organizations

Parent: Other Individual and Family Services

Extended NAICS 624190-37 companies 14companies

Gasoline Additive-Distributors (Wholesale)

Parent: Other Chemical and Allied Products Merchant Wholesalers

Extended NAICS 424690-42 companies 11companies

Denture Therapists (Manufacturing)

Parent: Dental Laboratories

Extended NAICS 339116-02 companies 5companies

Motion Picture Set Design & Construction

Parent: Commercial and Institutional Building Construction

Extended NAICS 236220-25 companies 23companies

Air Balancing

Parent: Plumbing, Heating, and Air-Conditioning Contractors

Extended NAICS 238220-01 companies 102companies

Humidifying Apparatus

Parent: Plumbing, Heating, and Air-Conditioning Contractors

Extended NAICS 238220-23 companies 40companies

Installation Or Erection-Bldg Equipment NEC

Parent: Other Building Equipment Contractors

Extended NAICS 238290-06 companies 474companies

Cabinet Installers

Parent: Finish Carpentry Contractors

Extended NAICS 238350-14 companies 178companies

Ethanol Manufacturers

Parent: Ethyl Alcohol Manufacturing

Extended NAICS 325193-02 companies 64companies

Plastics-High Pressure Laminates (Manufacturing)

Parent: Laminated Plastics Plate, Sheet (except Packaging), and Shape Manufacturing

Extended NAICS 326130-03 companies 59companies

Crucibles (Manufacturing)

Parent: Clay Building Material and Refractories Manufacturing

Extended NAICS 327120-10 companies 3companies

Glass-Blowers (Manufacturing)

Parent: Other Pressed and Blown Glass and Glassware Manufacturing

Extended NAICS 327212-03 companies 206companies

Glass-Rods & Tubing (Manufacturing)

Parent: Other Pressed and Blown Glass and Glassware Manufacturing

Extended NAICS 327212-05 companies 4companies

Vials (Manufacturing)

Parent: Glass Container Manufacturing

Extended NAICS 327213-04 companies 1companies

Glass Products (Manufacturing)

Parent: Glass Product Manufacturing Made of Purchased Glass

Extended NAICS 327215-07 companies 64companies

Emergency Medical & Surgical Service

Parent: General Medical and Surgical Hospitals

Extended NAICS 622110-01 companies —

Hospitals

Parent: General Medical and Surgical Hospitals

Extended NAICS 622110-02 companies 4,752companies

Mental Health Services

Parent: Psychiatric and Substance Abuse Hospitals

Extended NAICS 622210-01 companies 12,099companies

Psychiatric Hospitals

Parent: Psychiatric and Substance Abuse Hospitals

Extended NAICS 622210-02 companies —

Psychiatric Treatment Facilities

Parent: Psychiatric and Substance Abuse Hospitals

Extended NAICS 622210-03 companies 602companies

Sanitariums

Parent: Psychiatric and Substance Abuse Hospitals

Extended NAICS 622210-04 companies 7companies

Attention Deficit Disorder Services

Parent: Psychiatric and Substance Abuse Hospitals

Extended NAICS 622210-05 companies 5companies

Anger Management

Parent: Psychiatric and Substance Abuse Hospitals

Extended NAICS 622210-06 companies 35companies

Maternity Services

Parent: Specialty (except Psychiatric and Substance Abuse) Hospitals

Extended NAICS 622310-02 companies 101companies

Government-Specialty Hosp Ex Psychiatric

Parent: Specialty (except Psychiatric and Substance Abuse) Hospitals

Extended NAICS 622310-04 companies 36companies

Specialty Hospitals-Except Psychiatric

Parent: Specialty (except Psychiatric and Substance Abuse) Hospitals

Extended NAICS 622310-07 companies 156companies

In-Vitro/In-Vivo Diagnostic Sbstnc (Manufacturing)

Parent: In-Vitro Diagnostic Substance Manufacturing

Extended NAICS 325413-01 companies 177companies

Testing

Parent: Research and Development in Biotechnology (except Nanobiotechnology)

Extended NAICS 541714-15 companies 245companies

Biological Specimens (Manufacturing)

Parent: Biological Product (except Diagnostic) Manufacturing

Extended NAICS 325414-02 companies 15companies

Commercial Physical Research

Parent: Research and Development in Biotechnology (except Nanobiotechnology)

Extended NAICS 541714-08 companies 260companies

Govt-Coml Physical/Biological Research

Parent: Testing Laboratories and Services

Extended NAICS 541380-54 companies 9companies

Medical Equipment Installation

Parent: Other Building Equipment Contractors

Extended NAICS 238290-15 companies 20companies

Chelation Therapy

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

Extended NAICS 621340-10 companies 1companies

Genetic Counseling

Parent: Medical Laboratories

Extended NAICS 621511-24 companies 1,444companies

Health Care Utilization Review

Parent: All Other Miscellaneous Ambulatory Health Care Services

Extended NAICS 621999-16 companies 12companies

Medical Information Services

Parent: All Other Miscellaneous Ambulatory Health Care Services

Extended NAICS 621999-34 companies 186companies

Forensic Medicine

Parent: Medical Laboratories

Extended NAICS 621511-22 companies 12companies

Pharmaceutical Information

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

Extended NAICS 541715-20 companies 25companies

Social Workers

Parent: Offices of Mental Health Practitioners (except Physicians)

Extended NAICS 621330-03 companies 93,244companies

Physicians Assistants

Parent: Offices of All Other Miscellaneous Health Practitioners

Extended NAICS 621399-32 companies 98,307companies

Therapy

Parent: Offices of Mental Health Practitioners (except Physicians)

Extended NAICS 621330-09 companies 2,034companies

Psychologists Educational

Parent: Offices of Mental Health Practitioners (except Physicians)

Extended NAICS 621330-10 companies 10companies

Nurses-Registered RN

Parent: Offices of All Other Miscellaneous Health Practitioners

Extended NAICS 621399-20 companies 51,550companies

Nurses-Practitioners

Parent: Offices of All Other Miscellaneous Health Practitioners

Extended NAICS 621399-23 companies 230,422companies

Nutritionists

Parent: Offices of All Other Miscellaneous Health Practitioners

Extended NAICS 621399-25 companies 3,256companies

Psychiatric Social Workers

Parent: Offices of All Other Miscellaneous Health Practitioners

Extended NAICS 621399-35 companies 56companies

Technology Assistance Programs

Parent: Research and Development in Biotechnology (except Nanobiotechnology)

Extended NAICS 541714-02 companies 139companies

Biology Consultants

Parent: Research and Development in Biotechnology (except Nanobiotechnology)

Extended NAICS 541714-23 companies 40companies

Dietitians

Parent: Offices of All Other Miscellaneous Health Practitioners

Extended NAICS 621399-04 companies 12,905companies

Nurses Licensed Practical Lpn

Parent: Offices of All Other Miscellaneous Health Practitioners

Extended NAICS 621399-77 companies 4,535companies

Counselors-Licensed Professional

Parent: Other Individual and Family Services

Extended NAICS 624190-09 companies 9,189companies

Pharmaceutical Preparation (Manufacturing)

Parent: Pharmaceutical Preparation Manufacturing

Extended NAICS 325412-06 companies 913companies

Technologists-Applied Sciences

Parent: Research and Development in Biotechnology (except Nanobiotechnology)

Extended NAICS 541714-07 companies 20companies

Engineers-Biomedical

Parent: Research and Development in Biotechnology (except Nanobiotechnology)

Extended NAICS 541714-17 companies 73companies

Rubber Research & Consulting

Parent: Research and Development in Biotechnology (except Nanobiotechnology)

Extended NAICS 541714-19 companies —

Biotechnology Products & Services

Parent: Research and Development in Biotechnology (except Nanobiotechnology)

Extended NAICS 541714-22 companies 1,983companies

Chemical Research

Parent: Research and Development in Biotechnology (except Nanobiotechnology)

Extended NAICS 541714-24 companies 32companies

Psycho-Education

Parent: Colleges, Universities, and Professional Schools

Extended NAICS 611310-05 companies 3companies

Physicians & Surgeons

Parent: Offices of Physicians (except Mental Health Specialists)

Extended NAICS 621111-07 companies 876,501companies

Veterinary Pharmacies & Services

Parent: Support Activities for Animal Production

Extended NAICS 115210-21 companies 545companies

Insurance-Cancer

Parent: Direct Health and Medical Insurance Carriers

Extended NAICS 524114-05 companies 20companies

Government-Noncommercial Research Orgs

Parent: Research and Development in Biotechnology (except Nanobiotechnology)

Extended NAICS 541714-09 companies —

Medical Transcription Service

Parent: Document Preparation Services

Extended NAICS 561410-07 companies 172companies

Medical Records Service

Parent: All Other Support Services

Extended NAICS 561990-16 companies 166companies

Sewage Treatment Consultants

Parent: Sewage Treatment Facilities

Extended NAICS 221320-02 companies 132companies

Water Pollution Measuring Service

Parent: Site Preparation Contractors

Extended NAICS 238910-53 companies 1companies

Wet Corn Milling (Manufacturing)

Parent: Wet Corn Milling and Starch Manufacturing

Extended NAICS 311221-03 companies 10companies

Cotton Oil Mills (Manufacturing)

Parent: Fats and Oils Refining and Blending

Extended NAICS 311225-02 companies 9companies

Flavoring Extracts & Syrups NEC (Manufacturing)

Parent: Spice and Extract Manufacturing

Extended NAICS 311942-02 companies 86companies

Oils-Petroleum (Manufacturing)

Parent: Petroleum Refineries

Extended NAICS 324110-08 companies —

Oils-Fuel-Alternative (Manufacturing)

Parent: Petroleum Refineries

Extended NAICS 324110-11 companies 25companies

Adhesives & Glues (Manufacturing)

Parent: Adhesive Manufacturing

Extended NAICS 325520-01 companies 150companies

Other classifications

Search "clinical-laboratory" in SIC 6-Digit codes →

Sources & methodology

NAICS definitions: U.S. Census Bureau, 2022

SIC definitions: OSHA SIC Manual

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