DFS Interpreting is the leading provider of Certified Interpreting services in Northern California; based in Redding.. DFS of ... fers a global Telephonic Interpreting platform in over 150 languages, with industry trained, data enabled interpreters. As the only regional organization that offers multiple certified interpreters, DFS Interpreting has over 100,000 hours of combined experience in various fields. DFS offers a wide-range of interpreting services across multiple specialties & disciplines within the medical/mental health, legal, commercial and administrative fields. read more