Databases

Oracle

Austin, Texas, USA

Oracle is an enterprise software and cloud company known for Oracle Database, Oracle Cloud Infrastructure (OCI), Oracle Fusion Cloud Applications, NetSuite, MySQL and Java. It serves enterprises and governments with databases, ERP, HCM and industry applications, and cloud infrastructure for AI training and inference. Founded in 1977 by Larry Ellison, Bob Miner and Ed Oates, Oracle is listed on the NYSE and headquartered in Austin, Texas.

Microsoft

Redmond, Washington, USA

Microsoft is a global technology company whose enterprise portfolio spans the Azure cloud platform, Microsoft 365 productivity software, Dynamics 365 business applications, security products and developer tools such as GitHub. Founded in 1975 and headquartered in Redmond, Washington, Microsoft is one of the largest providers of cloud and AI services to businesses.

Amazon Web Services

Seattle, Washington, USA

Amazon Web Services (AWS) is the cloud computing subsidiary of Amazon, headquartered in Seattle and launching its core services in 2006. It offers on-demand infrastructure and platform services including EC2 compute, S3 storage, databases such as Aurora and DynamoDB, EKS containers, IoT, analytics, Amazon Bedrock and SageMaker for AI, and Trainium and Graviton custom chips.

Google Cloud

Mountain View, California, USA

Google Cloud is the cloud computing business of Google, a subsidiary of Alphabet Inc. It offers Google Cloud Platform infrastructure and services including Compute Engine, Google Kubernetes Engine, BigQuery, Spanner and the Vertex AI platform with Gemini models, as well as Google Workspace. It serves enterprises, public sector organisations and startups through global cloud regions.

IBM

Armonk, New York, USA

IBM is a US technology company providing hybrid cloud and AI software, infrastructure and consulting. Its portfolio includes Red Hat OpenShift, the watsonx AI and data platform, IBM Z mainframes and Power servers, IBM Storage, Db2 databases, and automation and observability software such as Instana and HashiCorp Terraform. Founded in 1911 and headquartered in Armonk, New York, IBM is listed on the NYSE.

SAP

Walldorf, Baden-Württemberg, Germany

SAP is a German enterprise software company, SAP SE, headquartered in Walldorf, Germany, and founded in 1972. It sells enterprise resource planning software, notably SAP S/4HANA Cloud, along with the SAP HANA database, SAP Business Technology Platform, SAP Business Data Cloud, the Joule AI copilot and agents, SuccessFactors, Ariba, Concur and Signavio. SAP is listed in Frankfurt and on the NYSE.

MongoDB

New York City, New York, USA

MongoDB is a database software company best known for MongoDB, a document-oriented NoSQL database, and MongoDB Atlas, its fully managed multicloud database service with integrated search and vector search. It serves developers and enterprises building operational and AI applications. Founded in 2007 as 10gen and headquartered in New York City, MongoDB is listed on Nasdaq and acquired embedding model provider Voyage AI in 2025.

Redis

Redis is the software company behind the Redis in-memory data store, founded in 2011 as Garantia Data and later known as Redis Labs. It sells Redis Cloud, a fully managed database service, and Redis Software for self-managed deployments. Redis is used for caching, real-time data, messaging, session storage and vector search for AI applications. The company is privately held.

Couchbase

Santa Clara, California, USA

Couchbase is a NoSQL database company headquartered in Santa Clara, California, formed in 2011 through the merger of Membase and CouchOne. It develops Couchbase Server, the Capella database-as-a-service, and Couchbase Mobile for offline-first and edge applications, combining JSON document storage, key-value access, SQL++ querying and vector search. Couchbase was listed on Nasdaq from 2021 until it was taken private by Haveli Investments in 2025.

SingleStore

San Francisco, California, USA

SingleStore is a database company headquartered in San Francisco, California, founded in 2011 as MemSQL. Its distributed SQL database combines transactional and analytical processing, with in-memory rowstore and disk-based columnstore tables, vector and full-text search for real-time applications and AI. SingleStore Helios is its fully managed cloud service; the company is privately held.

Cockroach Labs

New York, New York, USA

Cockroach Labs is a US database company founded in 2015 and headquartered in New York. It develops CockroachDB, a distributed SQL database with PostgreSQL wire compatibility designed for resilience, horizontal scale and multi-region deployments, offered as self-hosted software and as the managed CockroachDB Cloud service on AWS, Google Cloud and Azure.

Neo4j

San Mateo, California, USA

Neo4j is a graph database and analytics company whose flagship Neo4j graph database stores and queries connected data using the Cypher query language. Its offerings include AuraDB, a fully managed cloud service, Graph Data Science for graph algorithms and machine learning, and tooling for GraphRAG and knowledge graphs. Founded in Sweden in 2007 as Neo Technology, it is headquartered in San Mateo, California.

Elastic

San Francisco, California, USA

Elastic is the company behind Elasticsearch, Kibana, Logstash and Beats, collectively known as the Elastic Stack. Founded in 2012 by Shay Banon and others, it is incorporated in the Netherlands and operates as a distributed company with a US headquarters in San Francisco. It offers search, observability and security solutions, delivered via Elastic Cloud or self-managed. Elastic is listed on the NYSE (ESTC).

ClickHouse

ClickHouse, Inc. is the company behind ClickHouse, the open-source column-oriented database for real-time analytics originally developed at Yandex. Formed as an independent company in 2021, it offers ClickHouse Cloud, a managed serverless service on AWS, Google Cloud and Azure, and supports the Apache 2.0-licensed open-source project, used for analytics, observability and AI workloads.

Yugabyte

Sunnyvale, California, USA

Yugabyte is a US database company founded in 2016 by Kannan Muthukkaruppan, Karthik Ranganathan and Mikhail Bautin, former Facebook engineers, and headquartered in Sunnyvale, California. It develops YugabyteDB, an open source, PostgreSQL-compatible distributed SQL database for resilient, horizontally scalable cloud-native applications, offered as self-managed YugabyteDB Anywhere and the fully managed YugabyteDB Aeon service.

InfluxData

San Francisco, California, USA

InfluxData is a US software company that created InfluxDB, an open source time series database, and the Telegraf data collection agent. It sells InfluxDB Cloud and self-managed InfluxDB 3 Enterprise for storing and analysing metrics, events and sensor data in IoT, industrial, observability and real-time analytics use cases. Founded in 2012 by Paul Dix and Todd Persen, InfluxData is privately held.

Supabase

Supabase is an open source backend development platform founded in 2020 by Paul Copplestone and Ant Wilson. Built around a dedicated PostgreSQL database per project, it adds authentication, instant REST and GraphQL APIs, realtime subscriptions, file storage, edge functions and vector search. Supabase is offered as a hosted cloud service and can be self-hosted; it is widely used by startups and AI application builders.

PlanetScale

PlanetScale is a cloud database company offering managed MySQL built on Vitess, the open-source sharding system originally developed at YouTube, and managed PostgreSQL. It provides horizontal scaling, non-blocking schema changes, database branching and PlanetScale Metal, which runs databases on locally attached NVMe storage. PlanetScale was founded in 2018 by Vitess co-creator Sugu Sougoumarane and Jiten Vaidya.

Pinecone

New York City, New York, USA

Pinecone is a vector database company that provides a fully managed, serverless vector database for storing and searching embeddings in AI applications such as retrieval-augmented generation, semantic search and recommendations. Its offerings include Pinecone serverless indexes, integrated embedding and reranking inference, and Pinecone Assistant. Founded in 2019 by Edo Liberty, Pinecone is headquartered in New York City.

MariaDB

MariaDB is the company behind the commercial MariaDB Enterprise Platform, built around MariaDB Server, an open-source relational database created as a fork of MySQL. It sells enterprise database subscriptions, the MaxScale database proxy and support to organisations running transactional workloads. The company traces its origins to SkySQL, founded in 2010, and was taken private by K1 Investment Management in 2024 after a period listed on the NYSE.