Quest Diagnostics Incorporated (DGX)

Quest Diagnostics Revenue

Quest Diagnostics had revenue of $3.10B in the quarter ending September 30, 2026, with 9.98% growth. This brings the company's total for the last twelve months to $11.84B, up 9.13% year-over-year. In the year 2025, Quest Diagnostics had annual revenue of $11.04B with 11.78% growth. That makes Quest Diagnostics the 1,275th largest company in the world by revenue and 409th in the United States.

• Revenue (ttm): $11.84B
• Revenue Growth: +9.13%
• P/S Ratio: 2.37
• Revenue / Employee: $207,737
• Employees: 57,000
• Market Cap: 28.12B

Revenue Chart

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Revenue by Segment

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• Diagnostic Information Services (DIS) Business 10.79B 97.7%
• All Other Operating Segment 250.00M 2.3%

Fiscal year ended Dec 31, 2025 See the full Quest Diagnostics breakdown

Revenue History

Fiscal Year End	Revenue	Change	Growth
Dec 31, 2025	11.04B	1.16B	11.78%
Dec 31, 2024	9.87B	620.00M	6.70%
Dec 31, 2023	9.25B	-631.00M	-6.38%
Dec 31, 2022	9.88B	-905.00M	-8.39%
Dec 31, 2021	10.79B	1.35B	14.32%
Dec 31, 2020	9.44B	1.71B	22.15%
Dec 31, 2019	7.73B	195.00M	2.59%
Dec 31, 2018	7.53B	129.00M	1.74%
Dec 31, 2017	7.40B	-113.00M	-1.50%
Dec 31, 2016	7.52B	22.00M	0.29%
Dec 31, 2015	7.49B	58.00M	0.78%
Dec 31, 2014	7.44B	289.00M	4.04%
Dec 31, 2013	7.15B	-237.00M	-3.21%
Dec 31, 2012	7.38B	-9.00M	-0.12%
Dec 31, 2011	7.39B	131.88M	1.82%
Dec 31, 2010	7.26B	-195.12M	-2.62%
Dec 31, 2009	7.46B	205.80M	2.84%
Dec 31, 2008	7.25B	544.54M	8.12%
Dec 31, 2007	6.70B	436.25M	6.96%
Dec 31, 2006	6.27B	811.93M	14.88%
Dec 31, 2005	5.46B	-	-

Data Source: Fiscal.ai Last updated: Oct 23, 2026

Revenue data is provided by Fiscal.ai and updates within minutes after each earnings release, which is every three months for this company.

Update frequency:

Quarterly

Last checked:

Nov 2, 2026

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