Tarrant Corporation was organized this year to operate a financial consulting business. Tarrant County reserves the right to increase or decrease the quantities to meet its actual needs without any adjustments in the bid price.Important facts to know when completing your business license: • License Due Date: Renew annually on. Researching 87638KCX8? Researching 87638KCW0? Want to start a business but now sure what the first step is? Read our Starting a Business FAQs then get in touch with an SBDC Business Advisor today! The residential department is responsible for determining the market value for all of the residential properties in Tarrant County (around 600,000 residential. STOCK for the ELECTIONS ADMINISTRATION. All bids must be submitted on the attached Price Forms.