UNIT                                 LOAD   ACTIVE     SUB        JOB   DESCRIPTION
  hotstack-os-cinder-api.service       loaded active     running          HotsTac(k)os Cinder API Service
  hotstack-os-cinder-scheduler.service loaded active     running          HotsTac(k)os Cinder Scheduler Service
  hotstack-os-cinder-volume.service    loaded active     running          HotsTac(k)os Cinder Volume Service
  hotstack-os-dnsmasq.service          loaded active     running          HotsTac(k)os DNSmasq Service
  hotstack-os-glance.service           loaded active     running          HotsTac(k)os Glance Image Service
  hotstack-os-haproxy.service          loaded active     running          HotsTac(k)os HAProxy Service
  hotstack-os-heat-api.service         loaded activating start-post start HotsTac(k)os Heat API Service
  hotstack-os-heat-engine.service      loaded active     running          HotsTac(k)os Heat Engine Service
  hotstack-os-infra-setup.service      loaded active     exited           HotsTac(k)os Infrastructure Setup
  hotstack-os-keystone.service         loaded active     running          HotsTac(k)os Keystone Identity Service
  hotstack-os-mariadb.service          loaded active     running          HotsTac(k)os MariaDB Service
  hotstack-os-memcached.service        loaded active     running          HotsTac(k)os Memcached Service
  hotstack-os-neutron-metadata.service loaded active     running          HotsTac(k)os Neutron Metadata Agent Service
  hotstack-os-neutron-server.service   loaded activating start-post start HotsTac(k)os Neutron Server Service
  hotstack-os-nova-api.service         loaded activating start-post start HotsTac(k)os Nova API Service
  hotstack-os-nova-compute.service     loaded inactive   dead       start HotsTac(k)os Nova Compute Service
  hotstack-os-nova-conductor.service   loaded activating start-post start HotsTac(k)os Nova Conductor Service
  hotstack-os-nova-novncproxy.service  loaded activating start-post start HotsTac(k)os Nova NoVNC Proxy Service
  hotstack-os-nova-scheduler.service   loaded activating start-post start HotsTac(k)os Nova Scheduler Service
  hotstack-os-ovn-controller.service   loaded active     running          HotsTac(k)os OVN Controller Service
  hotstack-os-ovn-northd.service       loaded active     running          HotsTac(k)os OVN Northd Service
  hotstack-os-placement.service        loaded active     running          HotsTac(k)os Placement Resource Tracking Service
  hotstack-os-rabbitmq.service         loaded active     running          HotsTac(k)os RabbitMQ Service
  hotstack-os.target                   loaded inactive   dead       start HotsTac(k)os OpenStack Development Environment

LOAD   = Reflects whether the unit definition was properly loaded.
ACTIVE = The high-level unit activation state, i.e. generalization of SUB.
SUB    = The low-level unit activation state, values depend on unit type.
JOB    = Pending job for the unit.

24 loaded units listed.
To show all installed unit files use 'systemctl list-unit-files'.