Errigal Inc | 1,072 followers on LinkedIn. The leading provider of network management software to remotely monitor your mission critical high value networks | Errigal is an Enterprise Software Company specializing in network operations automation and management. Errigal has developed a platform that can automatically discover networks and manages them to advise of problems well in advance and ensure that problems are identified, tracked and fixed according to the customer business operations and service level agreements. Founded in 1996, Errigal is headquartered in San Francisco, CA and has its operations and development office in Waterford, Ireland.