Princeton Information | 10,621 followers on LinkedIn. Princeton Information, A Division of DISYS | Princeton Information is one of the nation's top privately-held IT consulting and solutions firms, in business since 1985. Princeton Information services a clientele of primarily Fortune 500 companies nationwide across all industries including finance, insurance, pharmaceutical, commercial, telecom, media, and manufacturing. With annual revenues over $140 million, Princeton Information operates across the US from multiple regional offices.