SIEM: Central collection of logs from Servers, Network Devices, and Security Devices are routine tasks. But Detecting Threats in the logs and flows collected, with the help of Machine Learning, and Threat Intelligence are crucial in detecting and avoiding Security Breaches in future. This also serves as a Compliance and Governance requirement. SNS partner OEMs providing such solutions are:

fortinet
logrhythm
seceon

Monitoring: Detecting Infrastructure uptime, Application Response time, Resource Utilisation and Availability issues across the Organisation is extremely critical. SNS partner OEMs providing such solutions are

solarwinds
prtg network monitor
Manage Engine