NEW! WeatherLink Console: The Smart Way to View Weather Data. Learn More
NEW! WeatherLink Console: The Smart Way to View Weather Data. Learn More
Skip to content
Union Park Announces Acquisition Of Davis Instruments

Union Park Announces Acquisition Of Davis Instruments

Hayward, CA – July 31, 2019. Union Park Capital, a Boston based private equity firm focused on lower middle-market industrial technology investments, today announced the acquisition of Davis Instruments Corporation (“Davis”), based in Hayward, CA. For over 50 years, Davis has been recognized as a leader in developing and manufacturing precision weather, marine and environmental instrumentation. With customers across the global, Davis has become the trusted brand for meteorologists, educators, farmers, students, and discerning hobbyists. The business will join Union Park’s Advanced Environmental Monitoring platform (“AE Monitoring”), and will partner with the current businesses within the AE Monitoring family, including OneRain, High Sierra, Vieux & Associates, FTS, and Lambrecht Meteo. Terms of the transaction were not disclosed.

“We are delighted to have Davis join the AE Monitoring family. Davis has a strong product offering and history of excellent customer service,” says Peter McGuire, Partner & Co-Founder at Union Park Capital. Davis is the world leader in weather stations for agriculture and discerning hobbyists. “The value of their product is unmatched within the customer applications they target,” said Peter.

“We are very excited for Davis to join the Advanced Environmental Monitoring family,” says Jim Acquistapace, former owner of Davis Instruments. “Becoming part of a larger platform will allow the business to take advantage of collaborations with AE Monitoring’s other companies in meteorology, hydrology, and broader environmental monitoring parameters. Davis has best in class product development, world class manufacturing, and a broad set of potential applications and end markets to take its products. As a part of the AE Monitoring family, I am excited to see Davis continue to grow and innovate across these large global market opportunities.”


About Davis Instruments Corporation

Davis Instruments was founded in 1963 and has become recognized throughout the world for manufacturing affordable, precision weather and marine instruments to meet the needs of value-minded professionals and consumers who demand the best. From the sleek, full-featured Vantage Vue to the customizable, industrial-grade Vantage Pro2 to the market leading WindTrak Wind Vane, Davis Instruments has engineered products for meteorologists, educators, farmers, students, and discerning hobbyists. For more information, visit


About Advanced Environmental Monitoring Holdings

Advanced Environmental Monitoring Holdings (AE Monitoring) was formed by Union Park Capital in 2018 to create a family of companies focused on monitoring of critical environmental parameters, including meteorology, hydrology, air, and soil. Social demands for environmental responsibility continue to increase, leading to growing initiatives and regulations for the development of environmental friendly industries, increased focus on disaster prevention and extreme weather (floods, hurricanes, droughts, thunderstorms, etc.), and advances in technology enabling real-time, more accurate monitoring in hazardous applications and environments. For more information, visit


About Union Park Capital

Union Park Capital is a private equity firm solely focused on lower middle-market industrial technology companies. Union Park takes a long-term perspective to help stakeholders build value over time and drives value creation through profitably growing a business, not financial engineering. Union Park Capital is based in Boston, MA, and has extensive investments and expertise in the analytical instrumentation sector. For more information, visit

Davis Instruments, and AEM brand

In the face of escalating environmental risks, AEM is the essential source for insights on weather, climate, lightning, floods, wildfires, water management, and more.

Learn more about AEM and all of our solutions here.