network-infrastructure
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The Company Enterprises Call When Their Tech Stack Stops Speaking English
Presidio has built a multibillion-dollar business translating a messy universe of clouds, networks, security tools and AI pilots into systems that companies can actually run. Its real product is accountability.
ComputerLand of Silicon Valley
ComputerLand of Silicon Valley (legally CCT Technologies Inc.) is a San Jose-based technology solutions provider and value-added reseller founded in 1991. Over three decades it grew from a storefront computer sales-and-service shop into a full-service IT partner delivering cloud, cybersecurity, managed services, network infrastructure, virtualization, unified communications and IT logistics to government agencies, K-12 and higher-education institutions, and commercial businesses across California and beyond. A longtime approved E-Rate and NASPO ValuePoint reseller and Microsoft authorized education reseller, the company was acquired by cloud and cybersecurity firm ISSQUARED Inc. on May 1, 2024.
TEECOM
TEECOM is a technology planning, design, and engineering firm that makes technology work in buildings. Founded in 1997 and led by founder David Marks, the remote-first company partners with architecture, engineering, and construction (AEC) teams to design the unseen layer of modern buildings - structured cabling, networks, audiovisual, acoustics, security, wireless, distributed antenna systems, and emergency responder radio. With 150-plus engineers, designers, and subject-matter experts, TEECOM has delivered integrated technology systems across more than 28 countries for clients like Salesforce.
Zayo Group
Zayo Group is a Denver-based communications infrastructure company that owns and operates one of North America and Europe's largest fiber-optic networks - over 150,000 route miles after its 2026 acquisition of Crown Castle's fiber business. It sells the physical layer of the internet: dark fiber, wavelengths, Ethernet, IP transit, dedicated internet access, colocation and managed edge services to wireless carriers, hyperscalers, enterprises, governments and ISPs. Founded in 2007 on a contrarian bet that bandwidth demand would only explode, Zayo has spent its life buying and building fiber, and is now positioning that network as the backbone for AI workloads moving data between data centers.
Verizon
Verizon Communications is one of the largest telecommunications carriers in the United States, delivering wireless service, fiber and broadband internet, and managed enterprise networking to consumers, businesses, and government. Formed in 2000 from the merger of Bell Atlantic and GTE, the company runs one of the country's most extensive 5G and fiber-optic networks and reported roughly $138 billion in revenue in 2025.