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. The following information has been developed to answer your questions regarding formation of an LLC and to assist in the filing of the Articles of Organization.Visit this link for meeting schedule, agendas, minutes, and materials. The scheduled meeting of the Board of Trustees of Middlesex College was held at . a.m. Many standard forms are available below. All forms are categorized into their respective departments.