---
title: "Quest Diagnostics brands and Share of Search"
description: "The brands Quest Diagnostics markets in the United States, and where to find each one's branded demand. Demand belongs to each brand, so the brands are never added together."
canonical: "https://gobrandwave.com/demand/us/companies/quest-diagnostics"
publisher: "Brandwave"
---

# Quest Diagnostics brands and Share of Search

The brands Quest Diagnostics markets in the United States, and where to find each one's branded demand. Demand belongs to each brand, so the brands are never added together.

## Key facts

- **Company**: Quest Diagnostics
- **Market**: United States
- **Brands tracked**: 2
- **Measured through**: Sep 2026
- **Combined demand figure**: Not published; demand belongs to each brand

## Brands this company owns

| Brand | Competitive set | Rank | Share of Search | Estimated monthly branded searches |
| --- | --- | --- | --- | --- |
| Quest Diagnostics | Lab testing companies in the US | 2 | 48.3% | 4.1M |
| Sonora Quest | Lab testing companies in the US | 4 | 1.6% | 135K |

- [Quest Diagnostics](/demand/us/brands/quest-diagnostics)
- [Sonora Quest](/demand/us/brands/sonora-quest)

## Brand competitors

- [Labcorp](/demand/us/brands/labcorp): 1st place in US Lab testing companies estimated Share of Search at 48.3% in Sep 2026.
- [Any Lab Test Now](/demand/us/brands/any-lab-test-now): 3rd place in US Lab testing companies estimated Share of Search at 1.6% in Sep 2026.
- [Walk-In Lab](/demand/us/brands/walk-in-lab): 5th place in US Lab testing companies estimated Share of Search at 0.14% in Sep 2026.

## Methodology

- [How is the Brand Demand Index measured?](/demand/methodology): Where the figures come from, what they compare, and how they may be reused.

## Cite this page

Brandwave. "Quest Diagnostics brands and Share of Search". https://gobrandwave.com/demand/us/companies/quest-diagnostics

This page is also available as HTML at https://gobrandwave.com/demand/us/companies/quest-diagnostics. Brandwave publishes an index of its Markdown pages at https://gobrandwave.com/llms.txt.