Companies - OSSRank

Rank	Name	Commercializing	Stage
1	Modular AI	LLVM, PyTorch, Tensorflow, ONNX, Core ML Tools	Venture / Series A
2	RedHat (IBM)	Linux, OpenShift, Kubernetes, Apache Camel, Podman, Ansible, Apache CFX, Apache ActiveMQ, 389 Directory Server	Public
2	SUSE	Linux, Rancher, NeuVector, K3s, Harvester	Private / Private Equity
2	Rocky Linux	Linux	Private / SMB
5	Microsoft	OpenShift, Kubernetes, MariaDB, Apache Cassandra, PostgreSQL, Redis, MySQL, Jupyter Notebook, Citus	Public
5	AWS / Amazon	OpenShift, Grafana, Kubernetes, MongoDB, Apache Airflow, Prometheus, Apache Spark, Apache Kafka, Apache Flink, Presto, OpenSearch, Apache Cassandra, PostgreSQL, Apache TinkerPop, Redis, AWS OpenTelemetry (OTEL), MySQL, Jupyter Notebook, FreeRTOS	Public
5	IBM	OpenShift, Kubernetes, Calico, containerd, cri-o, Jupyter Notebook, runc	Private / SMB
5	Tembo	Rust, vLLM, PostgreSQL, pgmq, Tembo, Trunk (Postgres), pgvector, pg_vectorize, pg_auto_dw, Tembo Self Hosted, pg_tier	Venture / Series A
9	Yandex	PyTorch, ClickHouse, Tensorflow, YDB, Kubernetes, Elasticsearch, Gitlab, Apache Kafka, Apache Hadoop, Apache HBase, Apache Hive, PostgreSQL, MySQL, Jupyter Notebook, Apache Zepplin, Greenplum Database	Public
10	Odoo	Odoo	Private / Private Equity
11	ClickHouse	ClickHouse	Venture / Series B
11	Aiven	ClickHouse, Grafana, Apache Kafka, Apache Flink, OpenSearch, Apache Cassandra, PostgreSQL, Redis, MySQL, InfluxDB, M3	Venture / Series D+
11	Altinity	ClickHouse	Venture / Seed
11	ChistaData	ClickHouse	Venture / Seed
15	Lightstep	OpenTelemetry (OTEL)	Venture / Series C
15	Helios	OpenTelemetry (OTEL)	Venture / Seed
15	Timescale	OpenTelemetry (OTEL), Prometheus, PostgreSQL, TimescaleDB	Venture / Series C
15	Mezmo	OpenTelemetry (OTEL)	Venture / Series D+
15	ObservIQ	OpenTelemetry (OTEL), BindPlane OP	Venture / Seed
20	Elastic	Kibana, Kubernetes, Elasticsearch	Public