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

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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 "diagnostics"

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

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

Parent: In-Vitro Diagnostic Substance Manufacturing

Extended NAICS 325413-01 companies 177companies

Automobile Diagnostic Equipment (Wholesale)

Parent: Motor Vehicle Supplies and New Parts Merchant Wholesalers

Extended NAICS 423120-09 companies 43companies

Automobile Diagnostic Service Equipment (Manufacturing)

Parent: Instrument Manufacturing for Measuring and Testing Electricity and Electrical Signals

Extended NAICS 334515-01 companies 7companies

Diagnostic Imaging Centers

Parent: Diagnostic Imaging Centers

Extended NAICS 621512-07 companies 4,474companies

Automobile Diagnostic Service

Parent: All Other Automotive Repair and Maintenance

Extended NAICS 811198-02 companies 301companies

Engine Diagnostic Service

Parent: All Other Automotive Repair and Maintenance

Extended NAICS 811198-23 companies 10companies

Sleep Disorders-Diagnostic/Treatment

Parent: All Other Miscellaneous Ambulatory Health Care Services

Extended NAICS 621999-62 companies 1,274companies

Medical Diagnostic Equipment-Mobile

Parent: Offices of All Other Miscellaneous Health Practitioners

Extended NAICS 621399-15 companies 34companies

Genetics Medical

Parent: Research and Development in Biotechnology (except Nanobiotechnology)

Extended NAICS 541714-11 companies 102companies

Laboratories-Medical

Parent: Medical Laboratories

Matches: Molecular diagnostics

Extended NAICS 621511-06 companies 6,288companies

Veterinarians-Radiologists

Parent: Veterinary Services

Extended NAICS 541940-18 companies 9companies

Allergy Laboratories (Manufacturing)

Parent: Pharmaceutical Preparation Manufacturing

Extended NAICS 325412-13 companies 4companies

Health & Allied Services

Parent: All Other Miscellaneous Ambulatory Health Care Services

Extended NAICS 621999-14 companies 877companies

Laboratories-Biochemical

Parent: Research and Development in Biotechnology (except Nanobiotechnology)

Extended NAICS 541714-21 companies 27companies

Health Services

Parent: All Other Miscellaneous Ambulatory Health Care Services

Extended NAICS 621999-21 companies 33,853companies

Medical Services-Mobile

Parent: All Other Miscellaneous Ambulatory Health Care Services

Extended NAICS 621999-35 companies 67companies

Automobile Repairing & Service

Parent: General Automotive Repair

Matches: Engine diagnostics

Extended NAICS 811111-04 companies 78,104companies

Electronic Analysis

Parent: Electrical Contractors and Other Wiring Installation Contractors

Matches: Computer hardware diagnostics

Extended NAICS 238210-11 companies 13companies

Laboratories-Clinical

Parent: Medical Laboratories

Matches: Molecular Diagnostics

Extended NAICS 621511-05 companies 604companies

Data Acquisition Systems

Parent: Computer Systems Design Services

Matches: Automotive testing and diagnostics

Extended NAICS 541512-22 companies 16companies

Automobile Motor Rebuilding

Parent: General Automotive Repair

Matches: Engine tuning and diagnostics

Extended NAICS 811111-03 companies 70companies

Automobile Repairing & Service-Mobile

Parent: General Automotive Repair

Matches: On-site engine diagnostics

Extended NAICS 811111-05 companies 452companies

Engines-Diesel-Fuel Injection-Service & Repair

Parent: General Automotive Repair

Matches: Diesel engine diagnostics

Extended NAICS 811111-10 companies 98companies

Transmissions-Automobile

Parent: Specialized Automotive Repair

Matches: Transmission diagnostics

Extended NAICS 811114-04 companies 3,844companies

Thermal Imaging

Parent: Testing Laboratories and Services

Matches: Medical Diagnostics

Extended NAICS 541380-51 companies 27companies

Cancer Research Centers

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

Matches: Cancer diagnostics

Extended NAICS 541715-21 companies 87companies

Carburetors

Parent: Specialized Automotive Repair

Matches: Carburetor diagnostics

Extended NAICS 811114-27 companies 95companies

Animal Health Products (Wholesale)

Parent: Farm Supplies Merchant Wholesalers

Extended NAICS 424910-04 companies 311companies

Transmissions-Automobile-Parts

Parent: Specialized Automotive Repair

Extended NAICS 811114-05 companies 84companies

Blood Pressure Checking Service

Parent: All Other Personal Services

Extended NAICS 812990-04 companies 4companies

Audiometers (Wholesale)

Parent: Transportation Equipment and Supplies (except Motor Vehicle) Merchant Wholesalers

Extended NAICS 423860-07 companies 4companies

Schools-College Board Preparation

Parent: Educational Support Services

Extended NAICS 611710-09 companies 38companies

Automobile Radiator Repairing

Parent: Specialized Automotive Repair

Extended NAICS 811114-14 companies 597companies

Automobile Shock Absorbers

Parent: Specialized Automotive Repair

Extended NAICS 811114-16 companies 2companies

Enzymes (Manufacturing)

Parent: Pesticide and Other Agricultural Chemical Manufacturing

Extended NAICS 325320-03 companies 13companies

Laboratories-Pharmaceutical (Manufacturing)

Parent: Pharmaceutical Preparation Manufacturing

Extended NAICS 325412-03 companies 110companies

Instruments (Wholesale)

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

Extended NAICS 423610-39 companies 56companies

Drug (Manufacturing) Representatives (Wholesale)

Parent: Wholesale Trade Agents and Brokers

Extended NAICS 425120-48 companies 2companies

Auto Inspection Sta Equipment Supplies (Wholesale)

Parent: Service Establishment Equipment and Supplies Merchant Wholesalers

Extended NAICS 423850-04 companies 6companies

Hospital Equipment Repairing & Refinishing

Parent: Electronic and Precision Equipment Repair and Maintenance

Extended NAICS 811210-46 companies 29companies

Hospital Equipment & Supplies (Wholesale)

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

Extended NAICS 423450-15 companies 738companies

Podiatrists Equipment & Supplies (Wholesale)

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

Extended NAICS 423450-26 companies 127companies

Fuel Injection Equipment & Service (Manufacturing)

Parent: Motor Vehicle Electrical and Electronic Equipment Manufacturing

Extended NAICS 336320-11 companies 11companies

Automobile Body Shop Equipment (Manufacturing)

Parent: Commercial and Service Industry Machinery Manufacturing

Extended NAICS 333310-39 companies 351companies

Wheel Alignment-Frame Service Equipment (Manufacturing)

Parent: Commercial and Service Industry Machinery Manufacturing

Extended NAICS 333310-85 companies 21companies

Automobile Machine Shop Equipment Supplies (Manufacturing)

Parent: Cutting Tool and Machine Tool Accessory Manufacturing

Extended NAICS 333515-01 companies 164companies

Service Station Supplies (Wholesale)

Parent: Motor Vehicle Supplies and New Parts Merchant Wholesalers

Extended NAICS 423120-77 companies 4companies

Physicians & Surgeons Equipment & Supplies (Wholesale)

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

Extended NAICS 423450-28 companies 6,367companies

Medical Imaging Equipment & Systems (Wholesale)

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

Extended NAICS 423450-37 companies 294companies

Ophthalmic Instruments & Equipment (Wholesale)

Parent: Ophthalmic Goods Merchant Wholesalers

Extended NAICS 423460-05 companies 63companies

Hospital Equipment & Supplies (Manufacturing)

Parent: Surgical and Medical Instrument Manufacturing

Extended NAICS 339112-01 companies 758companies

Physicians/Surgeons Equipment Spec Designed (Manufacturing)

Parent: Surgical and Medical Instrument Manufacturing

Extended NAICS 339112-04 companies 7companies

Surgical/Med Instruments/Apparatus (Mfr) (Manufacturing)

Parent: Surgical and Medical Instrument Manufacturing

Extended NAICS 339112-07 companies 621companies

Scientific Apparatus & Instruments (Wholesale)

Parent: Other Professional Equipment and Supplies Merchant Wholesalers

Extended NAICS 423490-19 companies 81companies

Biological Supplies (Wholesale)

Parent: Drugs and Druggists' Sundries Merchant Wholesalers

Extended NAICS 424210-22 companies 9companies

Livestock Testing

Parent: Veterinary Services

Extended NAICS 541940-05 companies 1companies

X-Ray Laboratories Medical & Dental

Parent: Diagnostic Imaging Centers

Extended NAICS 621512-01 companies 141companies

Biological Specimens (Manufacturing)

Parent: Biological Product (except Diagnostic) Manufacturing

Extended NAICS 325414-02 companies 15companies

Serums & Vaccines (Manufacturing)

Parent: Biological Product (except Diagnostic) Manufacturing

Extended NAICS 325414-04 companies 22companies

Physicians Assistants

Parent: Offices of All Other Miscellaneous Health Practitioners

Extended NAICS 621399-32 companies 98,307companies

Health Related Facilities

Parent: Outpatient Mental Health and Substance Abuse Centers

Extended NAICS 621420-01 companies 37companies

Nuclear Medicine Supplies & Acces (Manufacturing)

Parent: Pharmaceutical Preparation Manufacturing

Extended NAICS 325412-14 companies 50companies

X-Ray Apparatus & Tubes (Manufacturing)

Parent: Irradiation Apparatus Manufacturing

Extended NAICS 334517-03 companies 32companies

Chiropractors Equipment & Supply (Wholesale)

Parent: Service Establishment Equipment and Supplies Merchant Wholesalers

Extended NAICS 423850-24 companies 66companies

Laboratories-Veterinary

Parent: Veterinary Services

Extended NAICS 541940-04 companies 84companies

Veterinary Medical Laboratories

Parent: Veterinary Services

Extended NAICS 541940-14 companies 11companies

Blood Tests

Parent: Medical Laboratories

Extended NAICS 621511-02 companies 33companies

Engines-Gasoline Repairing

Parent: General Automotive Repair

Extended NAICS 811111-13 companies 3companies

Laboratories-Biological

Parent: Medical Laboratories

Extended NAICS 621511-04 companies 49companies

Automobile Computer Equipment & Repair

Parent: Specialized Automotive Repair

Extended NAICS 811114-51 companies 7companies

Animal Hospitals

Parent: Veterinary Services

Extended NAICS 541940-02 companies 11,662companies

Veterinarians-DVM-Vmd-Microbiologists

Parent: Veterinary Services

Extended NAICS 541940-23 companies 2companies

Dna Testing

Parent: Medical Laboratories

Extended NAICS 621511-11 companies 154companies

Engines-Rebuilding & Repairing

Parent: General Automotive Repair

Extended NAICS 811111-15 companies 405companies

Automotive Information Services

Parent: All Other Automotive Repair and Maintenance

Extended NAICS 811198-09 companies 50companies

Electrical & Electronic Repair Shops NEC

Parent: Electronic and Precision Equipment Repair and Maintenance

Extended NAICS 811210-44 companies 157companies

Animal Health Products (Manufacturing)

Parent: Other Animal Food Manufacturing

Extended NAICS 311119-01 companies 101companies

Aircraft Engines-Servicing & Maintenance

Parent: Other Support Activities for Air Transportation

Extended NAICS 488190-01 companies 49companies

Bird Hospitals

Parent: Veterinary Services

Extended NAICS 541940-03 companies 2companies

Veterinarians

Parent: Veterinary Services

Extended NAICS 541940-09 companies 22,341companies

Veterinarians-DVM-Neurologists

Parent: Veterinary Services

Extended NAICS 541940-17 companies 10companies

Animal Plant Dna Testing

Parent: Medical Laboratories

Extended NAICS 621511-07 companies —

Engines-Diesel Repairing

Parent: General Automotive Repair

Extended NAICS 811111-11 companies 694companies

Engines-Diesel-Used

Parent: General Automotive Repair

Extended NAICS 811111-12 companies 2companies

Engines-Rebuilding & Exchanging

Parent: General Automotive Repair

Extended NAICS 811111-14 companies 260companies

Imported Automobile Services

Parent: General Automotive Repair

Extended NAICS 811111-18 companies 67companies

Automobile Electric Service

Parent: Specialized Automotive Repair

Extended NAICS 811114-10 companies 545companies

Vehicle Inspection Service

Parent: All Other Automotive Repair and Maintenance

Extended NAICS 811198-21 companies 408companies

Copying Machines-Service & Repair

Parent: Electronic and Precision Equipment Repair and Maintenance

Extended NAICS 811210-23 companies 169companies

Radiators-Automotive (Retail)

Parent: Automotive Parts and Accessories Retailers

Extended NAICS 441330-30 companies 141companies

Truck Testing Stations

Parent: Other Support Activities for Road Transportation

Extended NAICS 488490-13 companies 10companies

Automobile Repair/Service-Four Wheel Drive

Parent: General Automotive Repair

Extended NAICS 811111-26 companies 4companies

Battery Recharging

Parent: General Automotive Repair

Extended NAICS 811111-31 companies 5companies

Blueprinting Equipment Repairing & Service

Parent: Electronic and Precision Equipment Repair and Maintenance

Extended NAICS 811210-18 companies 1companies

Facsimile Repairing

Parent: Electronic and Precision Equipment Repair and Maintenance

Extended NAICS 811210-26 companies 25companies

Hoists Repairing

Parent: Commercial and Industrial Machinery and Equipment (except Automotive and Electronic) Repair and Maintenance

Extended NAICS 811310-18 companies 4companies

Meters Repairing

Parent: Commercial and Industrial Machinery and Equipment (except Automotive and Electronic) Repair and Maintenance

Extended NAICS 811310-26 companies 24companies

Motorcycles & Motor Scooters Repair & Service

Parent: Commercial and Industrial Machinery and Equipment (except Automotive and Electronic) Repair and Maintenance

Extended NAICS 811310-27 companies 1,503companies

Printing Equipment Repairing

Parent: Commercial and Industrial Machinery and Equipment (except Automotive and Electronic) Repair and Maintenance

Extended NAICS 811310-30 companies 248companies

Tractor Repairing & Service

Parent: Commercial and Industrial Machinery and Equipment (except Automotive and Electronic) Repair and Maintenance

Extended NAICS 811310-38 companies 377companies

Engines-Small Repairing

Parent: Home and Garden Equipment Repair and Maintenance

Extended NAICS 811411-04 companies 438companies

Power Tool Supplies & Repairs

Parent: Home and Garden Equipment Repair and Maintenance

Extended NAICS 811411-07 companies 220companies

Veterinary Pharmacies & Services

Parent: Support Activities for Animal Production

Extended NAICS 115210-21 companies 545companies

Air Balancing

Parent: Plumbing, Heating, and Air-Conditioning Contractors

Extended NAICS 238220-01 companies 102companies

Plumbing Drains & Sewer Consultants

Parent: Plumbing, Heating, and Air-Conditioning Contractors

Extended NAICS 238220-26 companies 56companies

Tools-Pneumatic Repairing

Parent: Plumbing, Heating, and Air-Conditioning Contractors

Extended NAICS 238220-43 companies 5companies

Veterinarians Equipment & Supplies (Wholesale)

Parent: Service Establishment Equipment and Supplies Merchant Wholesalers

Extended NAICS 423850-80 companies 142companies

Vibration Measurement Service

Parent: Engineering Services

Extended NAICS 541330-70 companies 29companies

Lasers & Electro Optics Consultants

Parent: Other Scientific and Technical Consulting Services

Extended NAICS 541690-06 companies 13companies

Veterinarian Emergency Services

Parent: Veterinary Services

Extended NAICS 541940-07 companies 133companies

Veterinarians-Laboratory Animal Med

Parent: Veterinary Services

Extended NAICS 541940-16 companies 5companies

Sleep Sensors

Parent: All Other Outpatient Care Centers

Extended NAICS 621498-13 companies 1companies

Crankshaft Grinding

Parent: General Automotive Repair

Extended NAICS 811111-06 companies 14companies

Truck Repairing & Service

Parent: General Automotive Repair

Extended NAICS 811111-24 companies 4,890companies

Transmissions-Truck Tractor Etc

Parent: Specialized Automotive Repair

Extended NAICS 811114-06 companies 56companies

Automobile Repair/Service Facilities-Renting

Parent: Specialized Automotive Repair

Extended NAICS 811114-15 companies 11companies

Automobile Smog Control Devices

Parent: Specialized Automotive Repair

Extended NAICS 811114-18 companies 23companies

Motor Homes Repairing & Service

Parent: Specialized Automotive Repair

Extended NAICS 811114-33 companies 26companies

Automobile Emission Testing

Parent: All Other Automotive Repair and Maintenance

Extended NAICS 811198-03 companies 173companies

Automobile Inspection Stations-New/Used

Parent: All Other Automotive Repair and Maintenance

Extended NAICS 811198-04 companies 921companies

Automotive Services-Except Repair & Car Washes

Parent: All Other Automotive Repair and Maintenance

Extended NAICS 811198-10 companies 15companies

Vehicle Emission Testing-Service & Repair

Parent: All Other Automotive Repair and Maintenance

Extended NAICS 811198-20 companies 32companies

Controls Control Systems/Regulators Repair

Parent: Electronic and Precision Equipment Repair and Maintenance

Extended NAICS 811210-39 companies 10companies

Air Conditioning Equipment Repair

Parent: Commercial and Industrial Machinery and Equipment (except Automotive and Electronic) Repair and Maintenance

Extended NAICS 811310-01 companies 1,428companies

Compressors-Air & Gas Repairing

Parent: Commercial and Industrial Machinery and Equipment (except Automotive and Electronic) Repair and Maintenance

Extended NAICS 811310-05 companies 130companies

Gauges Repairing

Parent: Commercial and Industrial Machinery and Equipment (except Automotive and Electronic) Repair and Maintenance

Extended NAICS 811310-15 companies 10companies

Heavy Equipment Repair

Parent: Commercial and Industrial Machinery and Equipment (except Automotive and Electronic) Repair and Maintenance

Extended NAICS 811310-17 companies 122companies

Industrial Equipment & Supplies Repairing

Parent: Commercial and Industrial Machinery and Equipment (except Automotive and Electronic) Repair and Maintenance

Extended NAICS 811310-21 companies 121companies

Pumps Repairing

Parent: Commercial and Industrial Machinery and Equipment (except Automotive and Electronic) Repair and Maintenance

Extended NAICS 811310-31 companies 425companies

Repair Shops & Related Services NEC

Parent: Commercial and Industrial Machinery and Equipment (except Automotive and Electronic) Repair and Maintenance

Extended NAICS 811310-43 companies 5,978companies

Watch Inspectors

Parent: Other Personal and Household Goods Repair and Maintenance

Extended NAICS 811490-55 companies 3companies

Instruments-Industrial Repairing

Parent: Plumbing, Heating, and Air-Conditioning Contractors

Extended NAICS 238220-42 companies 47companies

Laboratory Equipment & Supplies (Manufacturing)

Parent: Analytical Laboratory Instrument Manufacturing

Extended NAICS 334516-02 companies 126companies

Hermetic Motor Rewinding (Manufacturing)

Parent: Motor and Generator Manufacturing

Extended NAICS 335312-10 companies 1companies

Elec Equipment Internal Comb Engines (Manufacturing)

Parent: Motor Vehicle Electrical and Electronic Equipment Manufacturing

Extended NAICS 336320-10 companies 28companies

Automobile Repair/Service Equipment & Supplies (Manufacturing)

Parent: Other Motor Vehicle Parts Manufacturing

Extended NAICS 336390-04 companies 1,629companies

Hospital Cubicles (Wholesale)

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

Extended NAICS 423450-14 companies 166companies

Biological Laboratory Supplies (Wholesale)

Parent: Other Professional Equipment and Supplies Merchant Wholesalers

Extended NAICS 423490-04 companies 8companies

Electric Motors-Dlrs Repair (Wholesale)

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

Extended NAICS 423610-23 companies 1,600companies

Engines-Diesel (Wholesale)

Parent: Industrial Machinery and Equipment Merchant Wholesalers

Extended NAICS 423830-19 companies 289companies

Engines-Marine (Retail)

Parent: Boat Dealers

Extended NAICS 441222-10 companies 41companies

Garage Equipment (Wholesale)

Parent: Motor Vehicle Supplies and New Parts Merchant Wholesalers

Extended NAICS 423120-71 companies 7companies

Psychiatry-Adult Child & Adolescent

Parent: Offices of Physicians, Mental Health Specialists

Extended NAICS 621112-07 companies 1,873companies

Coal Mining Services

Parent: Support Activities for Coal Mining

Extended NAICS 213113-01 companies 22companies

Mobile Offices & Coml Units Repairing

Parent: Residential Remodelers

Extended NAICS 236118-20 companies 2companies

Biological Products (Manufacturing)

Parent: Biological Product (except Diagnostic) Manufacturing

Extended NAICS 325414-01 companies 487companies

Farm Equipment Repairing & Parts (Manufacturing)

Parent: Farm Machinery and Equipment Manufacturing

Extended NAICS 333111-04 companies 21companies

Automobile (Manufacturing)

Parent: Automobile and Light Duty Motor Vehicle Manufacturing

Extended NAICS 336110-03 companies 213companies

Locomotive Rebuilding (Manufacturing)

Parent: Railroad Rolling Stock Manufacturing

Extended NAICS 336510-06 companies 8companies

Watercraft-Personal-Service Repair (Manufacturing)

Parent: Boat Building

Extended NAICS 336612-07 companies 32companies

Physicians & Surgeons Equipment & Supplies (Manufacturing)

Parent: Surgical and Medical Instrument Manufacturing

Extended NAICS 339112-03 companies 1,441companies

Health Equipment & Supplies (Manufacturing)

Parent: Sporting and Athletic Goods Manufacturing

Extended NAICS 339920-16 companies 47companies

Automobile Dealers-Used Cars (Wholesale)

Parent: Automobile and Other Motor Vehicle Merchant Wholesalers

Extended NAICS 423110-05 companies 376companies

Buses-Distributors (Wholesale)

Parent: Automobile and Other Motor Vehicle Merchant Wholesalers

Extended NAICS 423110-06 companies 61companies

Buses-New & Used (Wholesale)

Parent: Automobile and Other Motor Vehicle Merchant Wholesalers

Extended NAICS 423110-07 companies 67companies

Cabs-Tractor Truck & Etc (Wholesale)

Parent: Automobile and Other Motor Vehicle Merchant Wholesalers

Extended NAICS 423110-08 companies 6companies

Motor Carrier (Wholesale)

Parent: Automobile and Other Motor Vehicle Merchant Wholesalers

Extended NAICS 423110-11 companies 10companies

Truck-Distributors (Wholesale)

Parent: Automobile and Other Motor Vehicle Merchant Wholesalers

Extended NAICS 423110-21 companies 9companies

Alternators & Generators-Automotive (Wholesale)

Parent: Motor Vehicle Supplies and New Parts Merchant Wholesalers

Extended NAICS 423120-02 companies 4companies

Automobile Parts & Supplies (Wholesale)

Parent: Motor Vehicle Supplies and New Parts Merchant Wholesalers

Extended NAICS 423120-15 companies 1,582companies

Engines-Supplies Equipment & Parts (Wholesale)

Parent: Motor Vehicle Supplies and New Parts Merchant Wholesalers

Extended NAICS 423120-16 companies 54companies

Engines-Gasoline (Wholesale)

Parent: Motor Vehicle Supplies and New Parts Merchant Wholesalers

Extended NAICS 423120-34 companies 13companies

Truck Equipment & Parts (Wholesale)

Parent: Motor Vehicle Supplies and New Parts Merchant Wholesalers

Extended NAICS 423120-65 companies 1,195companies

Automobile Repair/Service Equipment Supplies (Wholesale)

Parent: Motor Vehicle Supplies and New Parts Merchant Wholesalers

Extended NAICS 423120-68 companies 455companies

Van & Truck Conversions & Accessories (Wholesale)

Parent: Motor Vehicle Supplies and New Parts Merchant Wholesalers

Extended NAICS 423120-78 companies 97companies

Automobile Dismantling/Recycling (Wholesale)

Parent: Motor Vehicle Parts (Used) Merchant Wholesalers

Extended NAICS 423140-01 companies 250companies

Automobile Parts & Supplies-Antique (Wholesale)

Parent: Motor Vehicle Parts (Used) Merchant Wholesalers

Extended NAICS 423140-02 companies 116companies

Automobile Parts-Used & Rebuilt (Wholesale)

Parent: Motor Vehicle Parts (Used) Merchant Wholesalers

Extended NAICS 423140-03 companies 3,344companies

Automobile Wrecking (Wholesale)

Parent: Motor Vehicle Parts (Used) Merchant Wholesalers

Extended NAICS 423140-04 companies 768companies

Truck Equipment & Parts-Used-Rebuilt (Wholesale)

Parent: Motor Vehicle Parts (Used) Merchant Wholesalers

Extended NAICS 423140-07 companies 51companies

Cash Registers & Supplies Repairing (Wholesale)

Parent: Office Equipment Merchant Wholesalers

Extended NAICS 423420-09 companies 4companies

ATM Sales & Service (Wholesale)

Parent: Office Equipment Merchant Wholesalers

Extended NAICS 423420-39 companies 434companies

Gas-Card Lock (Wholesale)

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

Extended NAICS 423610-37 companies 7companies

Mobile Telephone Units (Wholesale)

Parent: Other Electronic Parts and Equipment Merchant Wholesalers

Extended NAICS 423690-24 companies 2companies

Health Equipment & Supplies (Wholesale)

Parent: Sporting and Recreational Goods and Supplies Merchant Wholesalers

Extended NAICS 423910-25 companies 43companies

Salvage-Yards (Wholesale)

Parent: Recyclable Material Merchant Wholesalers

Extended NAICS 423930-18 companies 118companies

Other classifications

Search "diagnostics" 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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Industry Classification Reference

Trusted since 1998