Prolog Office Interiors has been in the furniture business for over 20 years, located in Mahwah since 2004. It specializes in furniture design and construction for office buildings. Its furniture is custom made, so offices looking for unique pieces can call Prolog with inquiries. Prolog works with clients to make decorating or moving an office easier. This office is not generally a consumer browsing stop, but there is a virtual showroom on their website.