About UVSYSCO

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UVSYSCO is focused on the changing needs of engineers, municipalities, technical representatives and our environment.   

Run by CEO, Beth Donnellan, the company manufactures UV disinfection products, provides support and replacement parts for our own and Siemens/Sunlight systems.

We trace our history back 100 years - metal equipment fabrication and product sales - and 55 years of UV light machine manufacturing experience.   

We have combined our experiences from our and our families' legacy brands: Ultra Dynamics Corp., Glasco Equipment Corp., Sunlight Systems and Germicidal Systems to bring you a single UV technology resource. 

The son of an immigrant German baker that arrived in 1882, Walter came of age in New York City during the Roaring 20s. 

Enrolling in the NY University's new Commerce School, Walter immersed himself in the sites and sounds of a bustling lower Manhattan.   In 1932 he graduated and joined the George S. May International Company.   May was a natural talent for problem-solving, developed algorithms and became an industrial efficiency expert.  May is known for bringing professional golf to TV.

Ten years consulting gave him a lifetime of knowledge.   His biggest project was to help The Bristol Martin Company, a vending machine manufacturer, convert the   factory for the war effort.

The Gustav Glaser Company, which he walked by during his years in school, was one of the many companies operating in NY.    Gustav's company had changed their focus to supporting the war.

Along with many factories, he moved the Gustav Glaser Co.out of NY to Paterson NJ in 1945.   They continued to make specialty metal products for high purity food and beverage applications.

In 1965, Walter and other industrialists integrated UV lamps into a variety of products.   As he was known for high purity and quality metal products, entrepreneurs came to him with their inventions.   

Surface disinfection and air disinfection products came first and then, water products.   His ability to make high purity stainless steel vessels and containers attracted customers that used his "pressure vessels" for their UV lamps.   Seeing this as a potential product line, which is what custom metal fabricators like to use to fill in during slower times, he acquired a product from  Camp Chemical, which seems to have been involved in the septic businesses.

These systems were marketed by Glasco Equipment Corporation and Ultra Dynamics Corporation.

Adam helped introduce the Sunlight Systems UV brand and became a third-generation manufacturing entrepreneur.  His grandfather, Walter, and father, Jim had run some of the earliest UV manufacturing companies, including Glasco Equipment Co. and Ultra Dynamics Corporation. 

After graduating Columbia University, he worked with Occidental Chemical on issues relating to the Love Canal hazardous waste Superfund site.  This experience led to similar consulting work for Monsanto, Ford, American Tobacco, Caterpillar, P&G, ExxonMobil and other Fortune 500 cos.

Sunlight’s first systems were for a variety of applications, but municipal wastewater and water was the goal.   In 2003, he installed the industry’s first vertical Amalgam lamp system.   The UV wastewater disinfection market grew with the introduction of “amalgam” UV lamps. 

In 2004, Inc. Magazine ranked Sunlight Systems one of the USA’s fastest growing manufacturing companies.  This rapid growth and need for infrastructure required us to find an acquisition partner, which was ultimately Siemens Water Technologies.  

In 2007, Siemens acquired Sunlight Systems, re-engineered and refined designs, performed validations, and continued to grow the business through their international networks. 

In 2011, Donnellan UV  re-acquired municipal wastewater products from their Sunlight catalog.   This acquisition included warranty, service, support, engineering documentation and certain documents from their validation catalog.