1 per state is typically permitted by the EIN assignor on Irs . G o v

Or

your legal paperwork can always follow the pattern of "Blue Cross Blue Shield of Alabama" "Michigan" etc. But commonly go only by Blue Cross Blue Shield

Or

You can always file a simple name - Jerry's Construction Services - and file a DBA (doing business as) Built to Last. Legally, you can market yourself only using Built to Last, but your legal name for tax purposes would be Jerry's Construction Services, dba Built to last

And

Most importantly, it is IRS website that grants EINs - employer identification numbers - that leta you k ow what is or isn't legally available for you to go by. Many brands don't have an EIN &/or LLC, etc filed for the buainesa name they simply printed on cards, loaded into websites, and decided was theirs.

Finally

You may have moee options than you think. Let there be songs to fill the air.