Explore HomePractice AreasOur TeamContactMake a Payment Contact 209 S. Dixon St.Gainesville, TX 76240Office: (940) 665-5481 ©2025 Sullivant Slack Law Firm, PLLC. All Rights Reserved. Disclaimer: The information you obtain at this site is not, nor is it intended to be, legal advice. You should consult an attorney for advice regarding your individual situation. We invite you to contact us and welcome your calls, letters and electronic mail. Contacting us does not create an attorney-client relationship. Please do not send any confidential information to us until such time as an attorney-client relationship has been established. PRINCIPLE OFFICE: GAINESVILLE, TEXAS. SERVING THE FOLLOWING COUNTIES: COOKE COUNTY, DENTON COUNTY, GRAYSON COUNTY, AND MONTAGUE COUNTY.