To register for an LLC for a construction company, the legal requirements will differ for each state, so you must first find out what the requirements are for your particular state. Generally, the process will consist of filing specific documents, including an Article of Organization, and identifying a registered agent for your business.
Additionally, you will also have to obtain the necessary permits and licenses for your state. Finally, you must comply with the IRS requirements and file for an Employer Identification Number to ensure you pay your business taxes appropriately.