Enterprise Services

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We provide the Army's IT infrastructure by equipping Soldiers with technology.


  • Acquisition, Logistics and Technology Enterprise Systems and Services (ALTESS)

    Acquisition, Logistics and Technology Enterprise Systems and Services (ALTESS) is a premier technology service provider that delivers military-strength data security, innovative solutions and a best-in-class customer support experience to enable mission readiness and success for the most critical applications.
  • Army Enterprise Staff Management System (AESMS)

    Army Enterprise Staff Management System (AESMS) procures, develops, delivers and sustains staff management task tracking and correspondence solutions that enable end-to-end communication, collaboration and application hosting across the Army.
  • Computer Hardware, Enterprise Software and Solutions (CHESS)

    Computer Hardware, Enterprise Software and Solutions (CHESS) is the Army’s designated primary source for commercial IT. CHESS provides a no-fee, flexible procurement strategy through which an Army user may procure commercial-off-the-shelf (COTS) IT hardware, software, and services via an e-commerce (IT e-mart) based process.
  • Enterprise Computing (EC)

    Enterprise Computing (EC) designs and acquires future-focused solutions that modernize and optimize the Army’s enterprise information technology (IT) activities through timely, cost-effective and policy-compliant delivery of cutting-edge managed services.
  • Enterprise Content Collaboration and Messaging (EC2M)

    Enterprise Content Collaboration and Messaging (EC2M) increases efficiencies and aligns resources to deliver and sustain enterprise-level information technology (IT) capabilities that enable end-to-end collaboration, messaging and content management across the Army workforce.
  • Enterprise Services (ES)

    Enterprise Services (ES) rapidly acquires, delivers and sustains cost-effective information technology (IT) solutions and acquisition services-based capabilities for the U.S. Army. Made up of six product offices, ES provides the Army with the means to communicate anytime, anywhere and on any device.
  • Human Resource Solutions (HR Solutions)

    Human Resource (HR) Solutions provides full-service, assisted acquisition support and centralized acquisition management of enterprise-level human resource services requirements. 


  1. EC2M Supports Zero Trust with ICAM Solution and Joint Collaboration

    March 28, 2022
    Back in January 2022, Army Deputy Chief of Staff, G-6 Lt. Gen. John Morrison said there were two priorities for setting unified network operations (UNO) in support of multi-domain operations: figuring out how to do UNO at the tactical edge and creating the requirements definition package for identity, credential and access management (ICAM).
  2. New Labor Categories Added to ITES-3S

    February 9, 2022
    The U.S. Army Contracting Command – Rock Island (ACC-RI), Rock Island Arsenal, Illinois, in accordance with the Army Computer Hardware, Enterprise Software and Solutions (CHESS) product office under Army Program Executive Office Enterprise Information Systems (PEO EIS), finalized modifications to 120 vendors on its Information Technology Enterprise Solutions – 3 Services (ITES-3S) contract vehicle on Jan. 5, 2022.


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