ISN | 13,425 followers on LinkedIn. ISN's Quality Commitment services enhance the capacity of ISN clients’ programs to reach critical mission objectives. | Information Systems and Networks Corporation- Headquartered in Bethesda, Maryland, ISN Corporation is a nationwide provider of specialized professional services to Federal government agencies. ISN's portfolio includes work with over 100 Federal agencies. ISN Corporation is focused on helping federal agencies run programs to ensure the highest level of quality, timeliness, and integrity and to eliminate fraud, waste, and abuse.