National Litigation Law Group 2401 Northwest 23rd Street, Suite 60B Oklahoma City, Oklahoma 73107 Please fill in the Contact Form and we’ll get back to you within 2 business days: Name* First Last Email* Message*CAPTCHA Enid Headquarters Campus Map OKC Campus Map NLLG Mail Office in Shepherd Center:Pin Oak Suites: Located on the backside Southwest corner of Shepherd Center.MAIL OFFICE ENTRANCE: Pin Oak Suites: Located on the backside Southeast corner of Shepherd Center. Use East parking lot.