No matter which state you form an llc in, you cannot form a new company using a name previously registered within the state.
Has the company name you are considering already been used by someone else in your chosen state? You need to check the status before proceeding with the installation.
There are 50 states in the USA. You can search for company names on each state's website. our 50 States guide , you can find the state you want to choose from the list and access the name search link.
Turkish characters are not used in company names. (ĞUSİÖÇ) you also have to add an extension such as LLC to the end of the name you choose. Do not use branded or patented names.
For more information, see the guide to Choosing an LLC Company Name in the USA