IDEXX Laboratories
Corporate brand
UnclaimedIDEXX Laboratories is a multinational diagnostics and veterinary technology company serving companion-animal, livestock, poultry, dairy, and water-testing markets.
Last updated October 14, 2026
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Overview
IDEXX Laboratories, Inc. is an American multinational company whose brand portfolio spans veterinary diagnostics, veterinary practice technology, livestock and poultry disease testing, dairy diagnostics, and microbiological water testing. The company was incorporated in 1983 by David Evans Shaw and is headquartered in Westbrook, Maine. Its European, Middle Eastern, and African operations are headquartered in Hoofddorp, Netherlands. IDEXX serves customers in more than 175 countries and, according to the cited reference material, employed approximately 11,000 full- and part-time people in 2025. The company's principal identity is built around diagnostic information and workflow tools for veterinary professionals. Its Companion Animal Group supplies in-clinic analyzers, laboratory services, diagnostic tests, and connected practice technologies used by veterinary hospitals and clinics. These tools support blood-cell analysis, chemistry testing, urinalysis, infectious-disease screening, and other forms of clinical decision-making. Key product families cited in the reference material include Catalyst chemistry analyzers, VetTest chemistry analyzers, ProCyte and LaserCyte hematology analyzers, the IDEXX VetAutoread hematology analyzer, SNAP testing systems, and symmetric dimethylarginine testing. IDEXX combines instruments installed in clinics with consumables, software, reference-laboratory services, and recurring diagnostic workflows. Outside companion-animal medicine, IDEXX operates in animal-health and environmental testing. Its Livestock and Poultry Diagnostics business develops tests for diseases affecting cattle, pigs, poultry, and other production animals. The cited examples include assays for avian influenza, bovine viral diarrhoea virus, porcine reproductive and respiratory syndrome, and bovine spongiform encephalopathy. These products support disease surveillance, herd and flock management, food-production biosecurity, and regulatory or veterinary programs. The Water business supplies microbiological testing products used to detect indicators of contamination, including total coliform bacteria and Escherichia coli. Colilert, Colilert-18, and Colisure are among its named product families. Water-testing products are sold in more than 120 countries and are used by laboratories, utilities, regulators, and other organizations concerned with drinking-water quality and environmental monitoring. IDEXX also has a dairy diagnostics presence, linking its broader business to animal productivity and herd-health management. Leadership under Jon Ayers marked a major period of expansion. Ayers succeeded founder David Evans Shaw as chairman and chief executive officer in 2002 and led the company for roughly two decades. The reference material states that annual revenue grew from approximately $380 million to $3 billion during his tenure, while the share price increased more than one hundredfold; those figures are historical claims associated with the cited Wikipedia reference and are not presented here as independently verified financial data. Jay Mazelsky succeeded Ayers as chief executive officer in 2019. IDEXX's positioning is that of a specialized, technology-enabled diagnostics platform rather than a conventional consumer pet-care brand or a general hospital operator. Its competitive model depends on scientific credibility, installed instruments, proprietary assays, laboratory capacity, software integration, and repeat usage by professional customers. The company therefore participates in several related markets while maintaining a coherent emphasis on diagnostic information: improving clinical decisions for companion animals, monitoring diseases in production animals, supporting dairy management, and testing water safety. The reference material describes the company as active and continuing to expand across these international markets, with estimated 2025 annual sales of $4.21 billion to $4.28 billion and quarterly revenue above $1 billion.
History
IDEXX Laboratories was incorporated in 1983 by David Evans Shaw in the United States. From its beginning, the company developed around diagnostic and testing technologies rather than around a single consumer-facing product. Its later portfolio connected veterinary medicine with laboratory science, creating businesses that served companion-animal clinics, livestock and poultry producers, dairy operations, and water-quality laboratories. The company became particularly identified with companion-animal diagnostics. It developed and marketed instruments and assays that allowed veterinary practices to perform or order blood, chemistry, hematology, urinalysis, and infectious-disease testing. Products such as the Catalyst and VetTest chemistry analyzers, ProCyte and LaserCyte hematology analyzers, the VetAutoread analyzer, and SNAP systems illustrate the company's combination of hardware, reagents, consumables, and diagnostic information. This model made IDEXX part of the routine workflow of veterinary practices, with recurring demand generated by installed instruments and ongoing testing. IDEXX also built businesses outside the companion-animal clinic. Its Livestock and Poultry Diagnostics division provides disease-detection tools for production animals. The cited product scope includes testing for avian influenza, bovine viral diarrhoea virus, porcine reproductive and respiratory syndrome, and bovine spongiform encephalopathy. These applications support surveillance, outbreak control, herd and flock management, and agricultural biosecurity. The company additionally serves the dairy market with diagnostic tools related to animal health and dairy management. Water testing became another important component of the brand. IDEXX's Colilert, Colilert-18, and Colisure product families detect microbiological indicators such as total coliforms and E. coli. These systems are used internationally by organizations responsible for drinking-water and environmental testing. The reference material states that water products are sold in more than 120 countries, broadening IDEXX's reach beyond animal-health customers. A major corporate turning point came in 2002, when Jon Ayers succeeded founder David Evans Shaw as chairman and chief executive officer. Ayers led the company for approximately twenty years. The cited reference associates his tenure with substantial expansion, reporting growth in annual revenue from about $380 million to $3 billion and a more than one-hundredfold increase in the share price. In 2019, Jay Mazelsky succeeded Ayers as chief executive officer, continuing the company's focus on veterinary diagnostics and related information systems. By 2025, the company was described as headquartered in Westbrook, Maine, with its EMEA divisions based in Hoofddorp, Netherlands. It served customers in more than 175 countries and employed approximately 11,000 full- and part-time people. The cited material also described estimated 2025 sales of $4.21 billion to $4.28 billion. IDEXX's historical development therefore reflects a shift from a specialized diagnostics enterprise into a multinational platform combining veterinary instruments, laboratory services, test kits, software-linked workflows, production-animal diagnostics, dairy products, and water microbiology.
- 2025
Global scale and 2025 sales outlook
[1]The reference material described IDEXX as serving more than 175 countries, employing approximately 11,000 people, and estimating 2025 annual sales of $4.21 billion to $4.28 billion.
- 2019
Jay Mazelsky became CEO
[1]Jay Mazelsky succeeded Jon Ayers as chief executive officer.
- 2002
Jon Ayers became chairman and CEO
[1]Jon Ayers succeeded founder David Evans Shaw as chairman and chief executive officer.
- 1983
IDEXX Laboratories incorporated
[1]David Evans Shaw incorporated IDEXX Laboratories in the United States, establishing the company that would develop diagnostics for animal-health and water-testing markets.
Products and positioning
A global, professional-grade diagnostics and information platform for veterinary medicine, animal-health management, dairy operations, and water-quality testing.
Companion-animal veterinary diagnostics
Catalyst Dx Chemistry Analyzer
An in-clinic chemistry analyzer used by veterinary practices to measure biochemical indicators in animal blood and support diagnosis and monitoring. It represents IDEXX's instrument-and-consumables model for routine companion-animal testing.
Companion-animal veterinary diagnostics
VetTest Chemistry Analyzer
A veterinary chemistry analyzer used to evaluate blood chemistry and related clinical measurements in companion animals. The system is part of IDEXX's range of practice-based laboratory equipment.
Companion-animal veterinary diagnostics
ProCyte Dx Hematology Analyzer
An analyzer for hematology testing in veterinary settings. It is designed to provide blood-cell measurements that help clinicians assess animal health and investigate disease.
Companion-animal veterinary diagnostics
LaserCyte Hematology Analyzer
A veterinary hematology analyzer used for blood-cell analysis in companion-animal practice. It belongs to IDEXX's clinic-based diagnostic instrument portfolio.
Veterinary diagnostic tests
SNAP systems
SNAP-branded veterinary testing systems provide point-of-care diagnostic testing for animal-health applications. The reference material identifies SNAP Pro among the associated analyzer products.
Veterinary diagnostic testing
SDMA testing
IDEXX's symmetric dimethylarginine testing helps veterinary professionals assess a biochemical marker used in companion-animal health evaluation. It is offered as part of the company's broader laboratory and analyzer ecosystem.
Production-animal diagnostics
Livestock and Poultry Diagnostics
A business portfolio supplying tests for diseases affecting livestock and poultry. The cited applications include avian influenza, bovine viral diarrhoea virus, porcine reproductive and respiratory syndrome, and bovine spongiform encephalopathy.
Water microbiology testing
Colilert, Colilert-18, and Colisure
A family of water-testing products used to detect microbiological indicators, including total coliform bacteria and E. coli. These products are sold internationally and support drinking-water and environmental monitoring.
Brand decisions
2019
Appointment of Jay Mazelsky as CEOStrategyBackground
Jon Ayers's leadership period ended after roughly two decades.
Action taken
Jay Mazelsky succeeded Ayers as chief executive officer.
Aftermath
IDEXX continued operating as an international diagnostics company serving veterinary, production-animal, dairy, and water-testing customers.
2002
Leadership transition from founder to Jon AyersStrategyBackground
After the company's founding period under David Evans Shaw, IDEXX appointed Jon Ayers as chairman and chief executive officer.
Action taken
Ayers assumed leadership and directed the company through an extended period of expansion across veterinary diagnostics, animal-health testing, and water testing.
Aftermath
The cited reference associates Ayers's approximately twenty-year tenure with substantial growth in revenue and market value.
Recent events
Reported
IDEXX raises 2021 revenue and earnings guidance[2]
IDEXX raised its 2021 revenue guidance to $3.17 billion–$3.205 billion and its earnings-per-share guidance to $8.20–$8.36.
Reported
IDEXX announces acquisition of ezyVet[3]
IDEXX announced its acquisition of ezyVet, a New Zealand-based veterinary practice software provider. The acquisition includes ezyVet’s Vet Radar workflow tool. IDEXX said the acquisition expands its cloud software offerings.
Reported
IDEXX acquires ezyVet[4]
IDEXX Laboratories announced its acquisition of ezyVet, expanding its cloud-based practice management software offerings. The acquisition also includes Vet Radar.
Reported
IDEXX Laboratories reports second-quarter earnings[5]
IDEXX Laboratories reported second-quarter profit of $148.94 million, or $1.72 per share, and revenue of $637.59 million.
Reported
Idexx reports first-quarter 2020 results[6]
Idexx Laboratories reported first-quarter revenue of $626 million and net income of $111.9 million, both higher than in the same period of 2019.
Reported
IDEXX withdraws 2020 guidance[7]
IDEXX Laboratories said it had withdrawn its 2020 guidance, citing uncertainty about the duration and magnitude of the COVID-19 pandemic's effects on veterinary service providers.
Reported
IDEXX announces senior leadership changes[8]
IDEXX announced promotions and appointments for five executives in its Companion Animals Group, including a new chief commercial officer and a new worldwide chief marketing officer.
Reported
Jonathan Ayers to leave IDEXX CEO role[9]
Jonathan Ayers said Thursday that his ongoing rehabilitation meant he would not be able to resume as IDEXX’s chief executive, while stating that he would continue working with the company as a director and senior adviser.
Weekdays and relative dates follow the original report; their exact calendar dates have not been verified.
Reported
IDEXX appoints Jay Mazelsky president and CEO[9]
The IDEXX board appointed Jay Mazelsky president and CEO, effective immediately, according to the report.
Reported
IDEXX names Lawrence Kingsley independent chairman[9]
IDEXX announced that Lawrence Kingsley had been appointed independent chairman of its board, effective November 1.
Sources12 sources
- 1IDEXX Laboratoriesen.wikipedia.org
- 2IDEXX 上调 2021 年营收及盈利指引mainebiz.biz
- 3IDEXX 宣布收购 ezyVetmainebiz.biz
- 4IDEXX收购ezyVetprnewswire.com
- 5IDEXX Laboratories公布第二季度业绩finanznachrichten.de
- 6Idexx公布2020年第一季度业绩sunjournal.com
- 7IDEXX撤回2020年业绩指引finanznachrichten.de
- 8IDEXX宣布高级管理层人事调整mainebiz.biz
- 9Jonathan Ayers将卸任IDEXX首席执行官sunjournal.com
- 10IDEXX Laboratories (NASDAQ:IDXX) Releases FY 2026 Earnings Guidancedailypolitical.com
- 11Idexx reports strong earnings for first quarter, with uncertainty aheadpressherald.com
- 12IDEXX reports uptick in Q2 revenue, while earnings grow over 18%mainebiz.biz
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