Data Warehousing

Computer Corporation of America
Based in Framingham, Massachusetts, is a leading designer, developer, and marketer of high-performance, high-capacity database management software.
http://www.cca-int.com/

EMC Corporation
Enterprise-wide intelligent storage and retrieval technology designed for all major server environments.
http://www.emc.com/

EnterpriseDB GridSQL
Offers database clustering solutions for data warehousing that utilize open source databases.
http://www.enterprisedb.com/products/postgres_plus/gridsql.do

FileTek, Inc.
Supplier of database software for managing large amounts of atomic data. StorHouse is an enterprise-wide software solution for managing the capture, storage, movement, and access of gigabytes to petabytes of relational and non-relational atomic-level data.
http://www.filetek.com/

Greenplum
Business intelligence and data warehousing using open source databases.
http://www.greenplum.com/

IBM Optim
Active archiving lets you select and remove a precise set of rarely used data from your production database, save it in an archive, and keep it active for access whenever it is needed.
http://www.optimsolution.com/

Kognitio
Develops WX2, an analytical database platform for data warehousing and business intelligence.
http://www.kognitio.com/

ParAccel, Inc.
Column-oriented DBMS for decision support and complex processing.
http://www.paraccel.com/

SAS Data Warehousing Solution
Enables IT to deliver reliable information that empowers business users to drive the company forward.
http://www.sas.com/technologies/dw/

Teradata
High-performance parallel database technology, data access and management tools, and data mining, scalable hardware, and data warehousing consultants.
http://www.teradata.com/

Vertica Systems
High-speed, self-tuning column-oriented SQL database management software for data warehousing and business intelligence.
http://www.vertica.com/