Costco currently operates 554 warehouses, including 407 in the United States and Puerto Rico, 76 in Canada, 21 in the United Kingdom, six in Korea, five in Taiwan, eight in Japan and 31 in Mexico. The Company also operates Costco Online, an electronic commerce web site, at www. costco.com and at www.costco.ca in Canada.

Technologies:

Enterprise Applications:
Oracle Document Capture, Oracle Imaging and Process Management, Microsoft System Center Virtual Machine Manager 2008, IBM WebSphere MQ, IBM WebSphere Message Broker, RequisitePro, Rational Software Modeler, ClearQuest, ClearCase, Query Analyzer,

Hardware/OS/Systems Environment:VMWare, VMWare ESX Server, Windows Server 2008 Enterprise with Hyper-V, Microsoft Commerce Server 2002, Microsoft Operations Manager 2000, HP 360 Servers, HP 580 Servers, SQL Server 2000, Cisco IOS, Red Hat Linux, Windows Server 2003, Windows Server 2008, Solaris 8, Solaris 9, SUSE Linux Enterpris Server, Citrix XenApp, Citrix Presentation Server, AS/400

Data Management & Business Intelligence: IBM iSeries, Hyperion, Coremetrics to track and analyze customer behavior, IBM DB2, Rational Method Composer

Networking & Information Security: Juniper ScreenOS, BlueCoat Secure Gateway OS, Veritas Backup Exec, CommVault, Cisco, Nortel,

Development Tools: ASP.NET,

Other Technologies, ITO Agreements, & Intel:TFC's DynamicDesign solution(marketing solutions and software), Shubert Ticketing software and services, Paxonix to automate and streamline marketing communications, i2 Freight Matrix solution to optimize transportation operations, Averitt to provide transportation and supply chain management, WhatCounts Broadcaster for e-commerce solutions, EnFlex's eWebConnect for enterprise facility information management, PhotoChannel Network's online photo services, Microsoft Virtual Earth, Condor Rx90, PharmASSIST Symphony, ateb IVR,

The Costco IS Division is divided into four main groups: AS/400 Application Development, Customer Service and Systems Support, Client/Server and Internet Technologies, and E-Commerce Application Development,

The BackOffice Administration department is responsible for an infrastructure of 90 servers that support various applications, The company runs servers on various platforms including Red Hat Linux, Sun Solaris, Windows, and iSeries,

The company uses US Technology Resources of Aliso Viejo California for IT Outsourcing, Costco utilizes NT and UNIX, SQL and Oracle databases

 ,  ,