Your name must be unique, and not deceptively similar, to any other trademarked name or business. It is also required that your name not be used to intentionally misrepresent the products or services you offer. For LLCs, nearly all states will also require you to add a signifier of your limited liability status, such as "LLC" or "L.L.C." to the end of your company's name. You may be able to operate under a name other than your formal LLC name by applying for and using a dba.
North Carolina a corporation must contain the word "corporation", "incorporated", "company", or "limited", or the abbreviation "corp.", "inc.", "co.", or "ltd."; a limited liability company must contain the words "limited liability company" or the abbreviation "L.L.C." or "LLC", or the combination "ltd. liability co.", "limited liability co.", or "ltd. liability company"; a limited partnership that is not a limited liability limited partnership must contain the words "limited partnership", the abbreviation "L.P." or "LP", or the combination "ltd. partnership"; a limited liability limited partnership must contain the words "registered limited liability limited partnership" or "limited liability limited partnership" or the abbreviation "L.L.L.P.", "R.L.L.L.P.", "LLLP", or "RLLLP"; a registered limited liability partnership's name must contain the words "registered limited liability partnership" or "limited liability partnership" or the abbreviation "L.L.P.", "R.L.L.P.", "LLP" or "RLLP". North Carolina General Statutes § 55D‑20
Partnership (shutafut, שותפות) – created by default, even without registration, when two or more persons run a business together for profit. Personal liability of partners is not limited, unless they are limited partners of a limited partnership. Partnerships are governed by the Partnerships Ordinance [New Form], 5735-1975 (פקודת השותפויות [נוסח חדש], תשל"ה-1975).