A "Sole Proprietorship" or "General Partnership" seeking to operate in the County of Middlesex must file a Certificate of Trade Name with the County Clerk. Enter as much of the name as you are sure of.A wild card is automatically inserted at the end of each search. Find info on Manufacturing companies in Middlesex, including financial statements, sales and marketing contacts, top competitors, and firmographic insights. Here you'll find answers to the most frequently asked questions, downloadable forms to help you manage your lease, and essential telephone numbers. Search permits, licenses, and certifications you'll need to operate your business, as well as contacts for relevant State authorities. The Middlesex County NJ Business List is a free business directory for businesses located near Middlesex County, NJ. Add your business today for free! From alternate names to DBAs, find out everything you need to know about naming your business in New Jersey. The best companies to work for in Middlesex, NJ, in 2024 are CorePharma, Imtech UK, Tess-Com and more. The Middlesex County NJ Business List is a free business directory for businesses located near Middlesex County, NJ. Add your business today for free!