American Diagnostic Sciences

What American Diagnostic Sciences does

American Diagnostic Corporation (ADC) is a privately held US manufacturer of core medical diagnostic instruments, founded in 1985 by Marc Blitstein and Neal Weingart with $35,000 in startup capital and headquartered in Hauppauge, New York. The company is the largest branded and private-label supplier of stethoscopes and blood pressure instruments in the United States, serving healthcare professionals, medical institutions, students, EMS/first responders, home health users, and veterinary practices across more than 60 countries through an exclusive network of 800+ authorized dealers.

ADC's portfolio centers on the Adscope stethoscope line (Cardiology, Clinician, Pediatric, Teaching, and Electronic models with AFD adjustable-frequency diaphragm technology, Adsoft Plus silicone eartips, and lifetime warranties), Diagnostix and Prosphyg aneroid sphygmomanometers, Adcuff cuff/bladder systems with proprietary size-guide markings, EENT instruments (otoscopes, ophthalmoscopes, throat illuminators, dermascopes), the ADView 2 modular vital signs station (joint venture with SunTech Medical), thermometers, pulse oximeters, penlights, nurse shears, and caseware. Manufacturing combines globally sourced components from ISO-certified international suppliers with domestic final assembly, inspection, and packaging at the 44,000-square-foot Hauppauge facility, supplemented by a Suzhou joint venture for machined parts.

The business model is hardware sales at published MSRP distributed exclusively through authorized channel partners, supplemented by after-sale warranty services (free parts, refurbishment, nominal-charge out-of-warranty repairs) and cause-marketing lines (Breast Cancer Awareness, Autism Awareness) that donate 10% of proceeds to nonprofit partners. ADC holds ISO 13485:2016 certification under MDSAP, recognized across US, Canadian, Australian, Japanese, and European regulatory authorities, and has never taken external institutional capital, having funded four decades of organic growth through operating cash flow and founder equity.

Name

American Diagnostic Sciences

Legal name

American Diagnostic Corporation

Website

https://adctoday.com

Company type

Private

Founded year

1985

Operating status

Operating

Headcount range

51–100 employees

Short description

American Diagnostic Corporation is a US manufacturer and the largest US supplier of branded and private-label stethoscopes and blood pressure instruments, selling through 800+ authorized dealers in 60+ countries to healthcare professionals, institutions, students, EMS, and home health users.

Ownership category

akta.pro rank

Product category

Medical Diagnostic Instruments

NAICS

Surgical and Medical Instrument Manufacturing (339112), Electromedical and Electrotherapeutic Apparatus Manufacturing (334510), Medical Equipment and Supplies Manufacturing (3391)

SIC

Surgical & Medical Instruments & Apparatus (3841), Electromedical & Electrotherapeutic Apparatus (3845)

akta.pro primary industry

Personal Medical Devices & Home Diagnostics (Thermometers, Blood Pressure Monitors, Glucose Meters, Rapid Tests) (CRADAMAK)

Keywords

• Medical diagnostic instruments
• Stethoscopes and sphygmomanometers
• Blood pressure measurement devices
• EENT diagnostic instruments
• Vital signs monitors

Headquarters

HQ city

Hauppauge

HQ country

United States

HQ region

North America

Offices6 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

Supply Chain, Personnel, Operations, Technology or R&D, Infrastructure, Marketing or Sales

Revenue model

1. Medical Diagnostic Device Sales: One-time sales of core diagnostic medical instruments including stethoscopes, blood pressure monitors, thermometers, EENT instruments, and accessories through authorized dealer network.
2. After-Sale Service and Warranty: Comprehensive warranty services including free parts, repairs, refurbishment for products under warranty, and nominal charge repairs for out-of-warranty products.
3. Cause Marketing Products: Products with special cause branding (Breast Cancer Awareness, Autism Awareness) where portion of proceeds is donated to charitable causes.

Pricing tiers

Go-to-market motion1 record

Distribution channels4 records

Marketing channels6 records

Core offering

American Diagnostic Corporation (ADC) manufactures and supplies core medical diagnostic instruments including stethoscopes (Adscope line), aneroid sphygmomanometers (Diagnostix, Prosphyg, Pro's Combo), blood pressure cuffs (Adcuff), digital blood pressure monitors (Advantage), thermometers (Adtemp), EENT instruments (otoscopes, ophthalmoscopes, throat illuminators, dermascopes), laryngoscopes, pulse oximeters, penlights, nurse shears, and the ADView modular diagnostic station. Products are manufactured using globally sourced components combined with domestic inspection, assembly, and packaging at the company's Hauppauge, New York facility, and sold exclusively through a network of 800+ authorized dealers worldwide.

Product overview

American Diagnostic Corporation (ADC) is a manufacturer of core diagnostic medical instruments serving healthcare professionals across multiple clinical settings. The product portfolio centers on the Adscope stethoscope line (featuring Cardiology, Clinician, Pediatric, and Infant models with lifetime warranties), Diagnostix and Prosphyg sphygmomanometers (aneroid and digital blood pressure instruments), the Adcuff cuff and bladder system (including specialty bariatric sizes), and the ADView 2 modular diagnostic station (joint venture with SunTech Medical for multi-parameter vital signs monitoring including blood pressure, temperature, and SpO2). The EENT portfolio includes Diagnostix and Adstation 3.5V otoscopes, ophthalmoscopes, throat illuminators, and dermascopes across portable, desk, and wall configurations. Supporting products include laryngoscopes, penlights, thermometers, nurse shears, and caseware. ADC also offers cause-branded products (Breast Cancer Awareness, Autism Awareness with puzzle pieces) and specialty color/design themes (Tactical, Jewel Collection, Metallic, Adimals Pediatric). The company combines globally-sourced components with domestic final assembly, inspection, and packaging at its New York facility. ADC holds ISO 13485:2016 certification under MDSAP and offers industry-leading warranties, including lifetime coverage on many stethoscopes and manometers.

Differentiator

Problem solved

Functional benefit

Brands

• Adscope: Premium line of stethoscopes including Cardiology, Clinician, and Teaching models with lifetime warranties
• Diagnostix
• Prosphyg
• Adsoft Plus
• Adcuff
• Adimals
• Adtemp
• Adlite
• Advantage
• ADView
• MiniMedicut
• Medicut
• System 5
• E-sphyg

Products and services

• Adscope Stethoscopes Premium acoustic stethoscopes available in Cardiology, Clinician, Pediatric, Infant, Teaching, Sprague, General Exam, and Electronic models with surgical stainless steel construction, AFD technology, Adsoft Plus silicone eartips, and lifetime warranties. Used by healthcare professionals for auscultation in clinical settings.
• Diagnostix Sphygmomanometers Professional-grade aneroid blood pressure measurement instruments including Palm, Pocket, and Desk sphygmomanometers with precision-crafted Japanese-engineered manometers and lifetime warranties, used by clinicians for blood pressure measurement.
• Prosphyg Sphygmomanometers Pocket and palm aneroid sphygmomanometers featuring precision gauge movements, available in various configurations including single and double-tube models, for portable blood pressure measurement by clinicians.
• Pro's Combo Sphygmomanometers Combination kits pairing sphygmomanometers with stethoscopes, including Pro's Combo II SR and Pro's Combo III models with matching carry cases for clinicians who want a single matched diagnostic kit.
• Adcuff Blood Pressure Cuffs Professional blood pressure cuffs and bladders in reusable and disposable variants, single and double-tube configurations, and specialty sizes including bariatric (44-66cm limb range), featuring the proprietary Size Guide marking system and RF-welded bladders tested to 50,000 cycles.
• Advantage Blood Pressure Monitors Digital blood pressure monitors for home use with hospital-grade accuracy, advanced measurement technology, and fast, reliable, stress-free readings, used by home health providers and individual consumers for personal monitoring.
• ADView 2 Modular Diagnostic Station Expandable, customizable spot vital signs monitor measuring blood pressure, heart rate, temperature, and SpO2 with modular design supporting desk and wall-mounted configurations; joint venture product with SunTech Medical for clinical vital signs monitoring.
• Diagnostix and Adstation EENT Instruments Complete line of eyes, ears, nose, and throat diagnostic instruments including otoscopes, ophthalmoscopes, throat illuminators, and dermascopes in 3.5V and 2.5V configurations, available in portable sets, desk sets, and wall-mounted modular systems for clinicians.
• ADC Laryngoscopes Complete line of laryngoscopes including Satin fiberoptic and standard configurations in various sizes and blade styles for airway management during intubation procedures by clinicians.
• Adtemp Thermometers Temperature measurement instruments including non-contact infrared, ear (tympanic), conductive temporal artery, and digital stick thermometers, featuring NIST-certified water bath and black body simulator testing for clinical and home temperature measurement.
• ADC Pulse Oximeters Fingertip and vital signs monitor-integrated pulse oximeters measuring SpO2 and pulse rate for clinical and home oxygen saturation and pulse rate monitoring.
• ADC Penlights Reusable and disposable penlights for clinical examination, featuring LED technology and various color options, used by clinicians for pupil and throat assessment.
• MiniMedicut Nurse Shears Professional nurse shears with durable stainless steel construction, available in various colors with latex-free construction, for cutting bandages and dressings in clinical settings.
• ADC Caseware Medical carrying cases, holsters, pocket organizers, stethoscope cases, and sphygmomanometer cases for professional organization and instrument protection by clinicians and field providers.
• Adimals Pediatric Stethoscopes Pediatric-themed diagnostic products featuring animal designs to help reduce anxiety in young patients during examinations, used by pediatric clinicians and family practitioners.
• Adscope 606 Ultra-Lightweight Cardiology Stethoscope World's first ultra-lightweight cardiology stethoscope with Acuity Pro diaphragms for enhanced acoustic performance, designed for cardiologists and clinicians who need premium acoustic sensitivity in a lightweight instrument.
• Adscope LE (Limited Edition) Stethoscopes Limited-edition decorated stethoscopes featuring hydrographically printed tubing in 21 models with patterns such as Carbon Fiber, Woodland, Serenity, Midnight Rose, Starry Night, Woodstock, and Leopard for clinicians seeking personalized instruments.
• Warranty and After-Sale Service Comprehensive warranty services including free parts, repairs, refurbishment for products under warranty, and nominal-charge repairs for out-of-warranty products, supporting customer loyalty and product longevity.

Quantifiable outcome

• Gauge and Adcuff endurance testing to 30,000 cycles - three times the industry standard of 10,000 cycles
• +2 more outcomes

Named customers1 record

Segments6 records

Ideal customer profiles5 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature5 records

Partnerships

Seven partnerships are on record, tiered core and minor.

• People's Arc of Suffolk (formerly AHRC Suffolk)coreStrategic or Co-development Partner · 1 January 1987Partnership for inclusive employment of developmentally disabled adults. ADC maintains at least 25% of production staffing for supported employees in Hauppauge facility. CEO Marc Blitstein served on board of directors and was founding president of their Foundation. ADC has raised over $250,000 for the organization.
• American Cancer SocietycoreGTM or Marketing PartnerCause marketing partnership through Breast Cancer Awareness themed products. ADC donates 10% of selling price from these products to ACS. Started with limited-edition pink stethoscope donation of $10,000 in 2008, now full line across multiple product lines.
• Els for AutismcoreGTM or Marketing PartnerPartnership established in 2014 with puzzle piece themed aneroid sphygmomanometers. ADC donates 10% of selling price from these products to Els for Autism Foundation towards Els Center for Excellence providing therapy and education for hundreds of children.
• AmeriCaresminorOthersHumanitarian aid organization receiving ongoing donations of core diagnostic instruments including thermometers, blood pressure gauges, and stethoscopes for disaster relief and medical assistance programs worldwide.
• Project HOPEminorOthersGlobal health organization receiving ongoing donations of core diagnostic instruments. Founded in 1958, delivers essential medicines, supplies, health expertise and medical training worldwide.
• SunTech MedicalcoreStrategic or Co-development PartnerJoint venture partner for ADView modular diagnostic station launched in 2010. The ADView was the first modular diagnostic station measuring blood pressure, temperature, and SpO2. Second generation ADView 2 launched in 2016.
• UL LLCcoreOthersInternational standards, testing, registration, and certification organization that awarded ADC ISO 13485:2016 certification under MDSAP and CE marking capability.

Scale indicators9 records

Recent moves12 records

Expansion highlights6 records

Direct peers

• 3M Littmann: 3M's Littmann brand is the global premium leader in stethoscopes and the primary competitor ADC explicitly positions against. Both serve the same healthcare professional customers with overlapping cardiology, clinician, and electronic stethoscope SKUs, though Littmann sits in the super-premium tier that ADC undercuts by 20–40%.
• Welch Allyn (Baxter): Welch Allyn, now part of Baxter, is a direct peer across EENT instruments (otoscopes, ophthalmoscopes), sphygmomanometers, and vital signs monitoring — exactly the categories where ADC's Diagnostix, Adstation, and ADView lines compete. Both target hospitals, clinics, and physician offices.
• Omron Healthcare: Omron is a global leader in home and clinical blood pressure monitors, directly competing with ADC's Advantage digital BP line and Prosphyg/Diagnostix professional sphygmomanometers. Both target overlapping healthcare professional and home health segments.
• SunTech Medical: SunTech Medical is ADC's joint-venture partner on the ADView and ADView 2 modular diagnostic stations and an independent peer in NIBP (non-invasive blood pressure) modules used in vital signs monitors. Both compete in clinical-grade BP and multi-parameter spot-check monitors.
• Heine Optotechnik: Heine is a German premium manufacturer of otoscopes, ophthalmoscopes, dermatoscopes, and laryngoscopes — directly comparable to ADC's Diagnostix and Adstation EENT lines. Both serve ENT, primary care, and emergency medicine professionals globally.
• Riester (Halma plc): Riester, part of Halma's medical sector, manufactures diagnostic instruments including sphygmomanometers, stethoscopes, otoscopes, and ophthalmoscopes — overlapping substantially with ADC's core portfolio. Both target primary care, hospital, and home health channels globally.
• Prestige Medical: Prestige Medical is a direct mid-tier competitor in stethoscopes, sphygmomanometers, and diagnostic instruments — competing head-to-head with ADC's Adscope, Diagnostix, and Prosphyg lines on price and features in similar healthcare professional channels.
• MDF Instruments: MDF Instruments is a direct competitor in stethoscopes and diagnostic instruments, with comparable mid-tier positioning, lifetime warranty marketing, and broad healthcare professional and student customer segments. Both compete on acoustic performance and value pricing.

Emerging players

• Mabis Healthcare: Mabis Healthcare (now Mabis DMI) manufactures stethoscopes, blood pressure monitors, thermometers, and personal health products overlapping with ADC's Advantage home BP and Adtemp thermometer lines. Slightly more retail/consumer oriented than ADC's core clinical focus.

Broad incumbents

• Medline Industries: Medline is a broad medical supplies manufacturer and distributor whose portfolio includes diagnostic instruments, gloves, and other clinical supplies that overlap with ADC's categories. While not a pure-play diagnostic instrument specialist, Medline is one of the largest authorized distributors and competing manufacturers in the space.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights7 records

Customer concentration

• Facebookfacebook.com/americandiagnostic
• Instagraminstagram.com/americandiagnostic
• Xx.com/adctoday
• LinkedInlinkedin.com/company/139042

Revenue estimate

Valuation estimate

Number of profiles

Profiles3 records

Subsidiaries5 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about American Diagnostic Sciences