Where is ellkay located? Available Contacts – Free Plug-In! Ellkay LLC is located in Elmwood Park, NJ, United States and is part of the Information Technology Services Industry. Ellkay LLC has 5966 total employees across all of its locations and generates $278.01 million in sales (USD).How can ellkay help you? Retain healthcare data and achieve true interoperability across your enterprise. ELLKAY is the hospital partner for historical data archiving, live data exchange, & a future-focused data management strategy. Maximize reimbursements, eliminate missing data, meet COVID-19 challenges, and achieve true interoperability.What does ellkay do for interoperability? As a nationwide leader in healthcare connectivity, ELLKAY has been committed to enabling interoperability for over 18 years.How many employees does ellkay have? Ellkay LLC has 5966 total employees across all of its locations and generates $278.01 million in sales (USD). (Sales figure is modelled). There are 2 companies in the Ellkay LLC corporate family.