The following links provided as a service to visitors in purchasing or selling a business. Endorsed Affiliates: Residential Realtor in Killeen, TX: Realty Executives of Killeen, TX Licensing Resources: Liquor Permits & Beer License: TABC (Texas Alcohol Beverage Commission) Sales Tax Permit/Buying an Existing Business: Texas Comptroller Incorporating in Texas: Texas Secretary of State DBA (Travis County): Assumed Name Certificates DBA (Williamson County): Business Requirements Bell County, TX: Bell County Services