JSSI Process Server--For all of your Judicial Process needs. JSSI Process Server is a full-service process service office using the most current and state of the art technology for all of your process service needs. Our staff of Professional Process Servers are located throughout Tennessee and Mississippi to provide you with effective statewide service of process. For individuals, business, and law offices, JSSI is your professional court document serving service, skilled in completing even the toughest jobs with qualified and trained employees. You can count on us.