Us or call . Formation of Business Entities and Nonprofit Corporations Under the Texas Business Organizations Code: Online filing available through SOSDirect.Discover how to launch your business in San Antonio with out all-inclusive guide. Find out how to navigate registration, taxes, licenses, and more. Our San Antonio small business lawyer can help structure a company as a limited partnership, LLC, or corporation. Form a corporation, limited liability company (LLCs), limited partnership or more and do business in New York State.