SFI is a division of Carson Services, Inc., headquartered in Lincoln, Nebraska USA. Founded in 1985, Carson Services has a long track record in the publishing and network-marketing industries. SFI is the exclusive marketing arm for the IAHBE (Internationa... moreSFI is a division of Carson Services, Inc., headquartered in Lincoln, Nebraska USA. Founded in 1985, Carson Services has a long track record in the publishing and network-marketing industries. SFI is the exclusive marketing arm for the IAHBE (International Association of Home Business Entrepreneurs) and Veriuniā¢, a line comprised of nutritional, cleaning, personal care, pet care, telecommunication products, and more.