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Companies using Quest Diagnostics (Hosting) by Quest Software Inc. in 2025

As of 2025, 568 verified companies use Quest Diagnostics (Hosting) – across industries, company sizes, and geographies. This is real, verified data. Whether you’re looking to analyze the market, build a target list, or get a sales edge – this is your starting point.

https://www.quest.com

What is Quest Diagnostics (Hosting) by Quest Software Inc.?

Quest Diagnostics (Hosting) by Quest Diagnostics, is a suite of services specializing in providing hosting for various diagnostic and healthcare-related applications and data. It is designed to reliably and securely host sensitive information, ensuring compliance and data protection. It is commonly used by healthcare providers, hospitals, and other organizations involved in diagnostics to manage their IT infrastructure related to testing and data analysis.

Last updated date

August 17, 2025

Number of Companies using

568

The majority are based in the

United States

Most common industry?

Business Services

Quest Diagnostics (Hosting)’s sample user list in 2025

Company Name

Country

Industry

Employees

Revenue

Product

Amazon

United States flag
United States

Apparel & Accessories Retail

1556000

$650.3B

Quest Diagnostics (Hosting)

Walmart

United States flag
United States

Department Stores, Shopping Centers & Superstores

2098500

$681B

Quest Diagnostics (Hosting)

McKesson

United States flag
United States

Drug Stores & Pharmacies

43000

$359.1B

Quest Diagnostics (Hosting)

UnitedHealth Group

United States flag
United States

Insurance

400000

$410.1B

Quest Diagnostics (Hosting)

Optum

United States flag
United States

Healthcare Software

310000

$226.6B

Quest Diagnostics (Hosting)

Marriott

United States flag
United States

Lodging & Resorts

418000

$25.4B

Quest Diagnostics (Hosting)

U.S. Department of Veterans Affairs

United States flag
United States

Federal

371000

$377.4B

Quest Diagnostics (Hosting)

UPS

United States flag
United States

Freight & Logistics Services

490000

$90.9B

Quest Diagnostics (Hosting)

Wells Fargo

United States flag
United States

Banking

215332

$82.3B

Quest Diagnostics (Hosting)

PepsiCo

United States flag
United States

Food & Beverage

319000

$91.9B

Quest Diagnostics (Hosting)

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We have data on 568 companies that use Quest Diagnostics (Hosting). Our Quest Diagnostics (Hosting) customers list is available for download and comes enriched with vital company specifics, including industry classification, organizational size, geographical location, funding rounds, and revenue figures, among others.

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Quest Diagnostics (Hosting) users and customers by country

United States flag
United States
United Kingdom flag
United Kingdom

2.6K Companies

Australia flag
Australia

2.6K Companies

Canada flag
Canada

2.6K Companies

India flag
India

2.6K Companies

Where Quest Diagnostics (Hosting) Shows Up Most

Quest Diagnostics (Hosting) is used across a wide range of sectors:

Business Services

Manufacturing

Hospitals & Physicians Clinics

Organizations

Education

From lean startups to global enterprises, Quest Diagnostics (Hosting)’s footprint is wide, and that means opportunity.

sectors

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This data is updated on August 17, 2025

Quest Diagnostics (Hosting), by Quest Diagnostics, is a suite of services specializing in providing hosting for various diagnostic and healthcare-related applications and data. It ensures compliance and data protection for sensitive information.

As of 2025, there are 568 verified companies using Quest Diagnostics (Hosting).

Quest Diagnostics (Hosting) is used by companies across various industries, sizes, and geographies. These include healthcare providers, hospitals, and other organizations involved in diagnostics and data analysis.

The primary countries where Quest Diagnostics (Hosting) is used are the United States, United Kingdom, Australia, Canada, and India.

Quest Diagnostics (Hosting) is commonly used in industries such as Business Services, Manufacturing, Hospitals & Physicians Clinics, Organizations, and Education.