At&T Corp.

AT&T Corp., doing business as AT&T, is a child of At&T Enterprises, LLC and operates as a prime federal contractor delivering voice internet service provider session initiation protocol (SIP) trunking, voice over internet protocol (VoIP), Ethernet transport, and telephony infrastructure services to Department of Defense agencies worldwide on a full-and-open, non-set-aside basis.

AT&T Corp. competes overwhelmingly as a prime contractor (99% of 1,660 recent awards) with a customer base concentrated in defense telecommunications. The Defense Information Systems Agency dominates by potential value—242 awards worth $1.2 billion combined—anchored by the Virtual Integrated Services Platform (VISP) single-award indefinite delivery contract awarded February 10, 2022, with a ceiling of $78.1 million and completion through February 13, 2032. Place of performance is Vienna, Virginia. Army Cyber Command follows at 357 awards worth $11 million in combined potential value, though that volume reflects the high number of small individual task orders (many under $1,000) rather than large dollar magnitude. The Navy Information Warfare Systems Command, Air National Guard, and Air Mobility Command round out the top five customer agencies by dollar value. Together, the top five customers account for 89% of combined potential value across all awards.

The VISP contract exemplifies AT&T's federal footprint. DISA and authorized defense agencies have issued over one hundred delivery orders under VISP since award, ranging from under $10 to approximately $252,000 per order. Representative recent orders include $205,840 to the Marine Corps for voice and SIP trunking infrastructure (April 2026), $151,406 to Air Mobility Command for Ethernet transport (March 2026), $128,599 to the Office of the Secretary of Defense for Ethernet and NS/EP connectivity (May 2026), and $127,287 to Navy NAVSUP Engineering Logistics Office for Ethernet transport (July 2026). All orders carry firm fixed-price structures with no set-asides, awarded through full and open competition, and performance extends globally across four Department of Defense geographic regions—Hawaii, Indo-Pacific Command, Europe-Africa-Central Command, and North-South America Command—supporting over 500 mandatory worldwide defense sites.

Beyond VISP, AT&T operates three additional indefinite delivery contracts: HC101322D0001 (1,216 task orders, $22.4 million combined potential value), HC101322D0002 (143 task orders, $9.5 million), and HC101322D0003 (166 task orders, $4.4 million). A DISA Global Network Services vehicle accounts for 16 task orders worth $132.6 million combined potential value. The bulk of AT&T's work falls under NAICS 517911 (All Other Telecommunications), with 1,400 awards across its portfolio.

Activity has declined year over year since peak portfolio generation in 2023: 673 awards that year, dropping to 389 in 2024, 289 in 2025, and 136 through August 2026. Within the next twenty-four months, 13 awards with combined potential value of $127.4 million face ultimate completion and will recompete. The source identifies two subcontract awards to Boeing (November 2025 and January 2026) for non-production services, but AT&T carries negligible sub-engagement across its federal portfolio. Service Contract Inventory records show minimal SCI-reportable prime invoicing and approximately 2.6 to 3.0 FTEs delivered annually across prime and sub roles in FY2022–FY2025, though SCI captures only contracts above the $150,000 threshold and excludes the bulk of AT&T's high-volume, low-dollar-value delivery orders. Combined potential value across all 1,660 awards stands at $1.36 billion with $298.3 million obligated to date (22% execution rate).