About Us

J. Andrew Lange, Inc. a second-generation family business founded in 1968, is a manufacturers representative for water, wastewater treatment, and water storage equipment. Since 1968, J. Andrew Lange, Inc. has provided customers with reliable products, engineering expertise and outstanding customer service. When you run into a water or wastewater problem, call us and give us the opportunity to provide a solution.

Margery Lange Keskin daughter of J. Andrew Lange, is President and owner of J. Andrew Lange, Inc., a second generation family business.  Margery holds a Bachelor of Science degree in Medical Technology from Hartwick College, and a Master of Business Administration from Clarkson University.  On March 26, 2002 Margery was named Small Business Advocate of the Year by the NFIB/NY, Business Council of NYS, and the Chamber Alliance of NYS.  Margery is very active in numerous local and state business organizations.

Michael Mele is Vice President and our Regional Sales manager for the Eastern and Northern Territory of New York state.  Mike has been with us for over 10 years and has 31 years in water/wastewater industry. In the course of his career, Mike has worked on all facets-sampling, testing, recommendations implementation and operations of treatment programs for both municipal and industrial systems

Our Mission

J. Andrew Lange, Inc. is a company built on a reputation for customer service and engineering expertise. Our technical knowledge of the products we represent and our design and engineering capabilities mean we can offer you the best combination of products and process to solve your water and waste water problems

Company Profile