Cloud Infrastructure Companies and IaaS Providers List 2026

3Cloud is a Gold-certified Microsoft Azure consulting firm and Azure Expert Managed Services Provider, acquired by Cognizant on January 1, 2026. Founded in 2016 by former Microsoft executives, the company is headquartered in Downers Grove, Illinois, with additional offices in Dallas, Jacksonville, Pittsburgh, and Chicago. 3Cloud specializes in the Microsoft Azure cloud platform, offering services in cloud strategy, design, migration, application development, data analytics, and Generative AI. The company provides comprehensive Azure-focused solutions across four main service areas: Cloud Infrastructure, DevOps & Automation, Cloud Application Development, and Data, Analytics, and AI. 3Cloud serves over 500 clients, including enterprise and mid-market organizations across various industries such as financial services, energy, and transportation. With a commitment to client success and a people-first culture, 3Cloud leverages its proprietary MILO methodology to enhance project delivery through automation and predictive analytics.

66degrees is an AI, Data, and Cloud consulting firm based in Chicago, Illinois. Founded in 2009 by Mitch Greenwald, the company has established itself as a top Google Cloud Partner, specializing in transforming customer experiences and business operations. With a team of world-class engineers and strategists, 66degrees guides enterprises through the age of AI, focusing on data modernization and innovative solutions. The company offers a wide range of consulting, implementation, and managed services. Their core technology solutions include AI and generative AI development, data modernization, cloud engineering and migration, infrastructure modernization, and IoT services. 66degrees serves enterprise clients across various industries, including healthcare, financial services, retail, technology, and more, helping organizations become AI-enabled and achieve data-driven transformation. With a global presence, they operate offices in Bengaluru, India, and San Jose, Costa Rica, in addition to their Chicago headquarters.

AHEAD is an IT services and consulting firm founded in 2007, headquartered in Chicago, Illinois. The company specializes in building digital platforms that support enterprise digital transformation through strategic consulting, managed services, and innovation in cloud, security, and data. With a global presence across six continents, AHEAD employs approximately 3,000 people and has raised $1.22 billion in funding from notable investors. The firm offers a range of services, including strategic consulting to align technology with business goals, managed services for cloud and data environments, and cloud innovation to modernize workflows. AHEAD also focuses on security and data analytics, AI integration, and digital platform engineering. Their solutions include a Digital Delivery Platform that automates operations and integrates security, as well as holistic infrastructure that combines various IT services into a unified system. AHEAD serves large commercial and enterprise clients across industries such as healthcare, financial services, manufacturing, and retail, helping them achieve their technical and operational objectives.

AT&T Inc. is a leading American multinational telecommunications company based in Dallas, Texas. It ranks as the third-largest telecommunications firm globally by revenue and is the largest fiber internet provider in the United States. The company has a rich history, evolving from the American Telephone and Telegraph Company, which was linked to Alexander Graham Bell's invention of the telephone. AT&T offers a wide range of telecommunications and technology services. These include wireless voice and data communications, broadband internet through AT&T Fiber and DSL, local and long-distance phone services, and entertainment options like IP-based and satellite television. The company also provides enterprise solutions, messaging platforms, and directory services. AT&T serves various customer segments, including residential, business, and wholesale clients, with a presence in the U.S., Europe, Mexico, and Latin America. Its major brands include AT&T, Cricket Wireless, and AT&T Business.

Akamai Technologies, Inc. is a leading American cloud computing and cybersecurity company based in Cambridge, Massachusetts. Founded in 1998, Akamai specializes in content delivery networks (CDN), DDoS mitigation, and edge cloud services, aiming to secure and enhance digital experiences worldwide. The company operates one of the largest distributed edge platforms, featuring over 325,000 servers across 4,100 locations in more than 1,000 cities globally. Akamai's offerings are organized into three main solution areas: Security, Delivery, and Cloud. Their security solutions include comprehensive cybersecurity measures such as DDoS mitigation and application security. The delivery solutions enhance web and mobile performance, support media delivery, and optimize content delivery. In the cloud sector, Akamai provides a full-stack cloud platform that includes compute, storage, and advanced edge computing capabilities. The company serves a diverse range of global enterprises across various industries, including media, e-commerce, financial services, and public sector organizations, with a customer base exceeding 5,000.

Amazon is a global technology conglomerate founded by Jeff Bezos in 1994. Originally an online bookseller, it has grown into a leader in e-commerce, cloud computing, and digital streaming. The company aims to be the "Everything Store," providing a vast selection of products and services at competitive prices. Amazon operates a comprehensive e-commerce marketplace that facilitates buying and selling goods worldwide. It also offers Amazon Web Services (AWS), a cloud computing platform that delivers a wide range of services, including storage, databases, and analytics. In addition to its digital offerings, Amazon produces hardware devices like the Kindle e-readers and Echo smart speakers. The company also has a presence in the grocery sector through its subsidiary, Whole Foods Market, and engages in digital streaming with platforms like Twitch and Audible. Amazon serves a diverse customer base, including individual consumers, businesses, and content creators, supported by a robust logistics network that enables efficient global delivery.

Atmosera is an Oregon-based certified Azure Expert Microsoft Cloud Solution Provider and Managed Service Provider. The company specializes in delivering fully managed public, private, and hybrid cloud solutions, colocation, and advanced cloud transformation services. With over 20 years of experience in cloud enablement and a strong focus on Microsoft technologies, Atmosera serves a diverse global client base, including government agencies and enterprises. Formerly known as EasyStreet Online Services, Atmosera rebranded in 2017 to emphasize its commitment to cloud computing and security. The company offers a wide range of services, including Azure managed services, cloud transformation, data and AI solutions, managed security services, and technical training. Atmosera also provides infrastructure and platform services, ensuring secure and efficient operations for its clients. With a 24/7 support culture, Atmosera is dedicated to helping organizations transition to modern cloud environments while maintaining the security of their critical assets.

Brillio is a global digital technology and engineering consulting firm founded in 2014 by Raj Mamodia. Headquartered in Dallas, Texas, the company has over 6,000 employees across 14 locations worldwide, including major offices in New Jersey and California. Brillio specializes in helping Fortune 1000 companies with digital transformation through services in AI, cloud, data analytics, and security solutions, generating approximately $942.7 million in revenue. The company offers a comprehensive range of services, including customer experience transformation, data analytics, cloud infrastructure, and product engineering. Brillio emphasizes AI-first engineering and design-led experiences, with a strong focus on outcome-driven projects. It has established strategic partnerships with leading technology providers like Google, Microsoft, and NVIDIA, and serves a diverse customer base of over 150 clients, including notable names like FordDirect and Verizon. With ambitions to reach $1 billion in revenue by 2029, Brillio is committed to driving innovation and leveraging disruptive technologies for its clients.

Broadcom Inc. is a leading American multinational company that designs, develops, manufactures, and supplies a diverse range of semiconductor and infrastructure software products. Headquartered in Palo Alto, California, Broadcom serves critical markets such as data centers, networking, wireless, storage, and industrial sectors. The company operates in two main segments: Semiconductor Solutions and Infrastructure Software. Broadcom's extensive product portfolio includes semiconductors for storage, networking connectivity, wireless device connectivity, and server and storage solutions. It also offers infrastructure software, including cybersecurity solutions and enterprise software. The company's products are utilized in various applications, including telecommunications equipment, smartphones, and data center servers. Broadcom serves a wide array of global organizations, including major tech companies and consumer electronics manufacturers, helping them innovate in networking, wireless, storage, and cybersecurity markets.

CDW Corporation is a prominent multi-brand provider of information technology (IT) solutions, serving a diverse range of customers in business, government, education, and healthcare. Headquartered in Vernon Hills, Illinois, CDW was founded in 1984 and has grown to employ over 13,000 global coworkers. The company connects more than 250,000 customers with over 1,000 technology vendors, generating annual revenues exceeding $21 billion. CDW offers a wide array of products and services, including hardware like notebooks and servers, software solutions such as cloud computing and cybersecurity, and integrated IT solutions. The company also provides professional and managed services, including advisory, software development, and telecom services. CDW partners with major brands like Adobe, Apple, Cisco, and Microsoft to deliver tailored technology solutions that help organizations drive value and manage costs effectively.

Caylent is a cloud-native services company based in Irvine, California, founded in 2015. The company focuses on helping organizations enhance their technology and workforce through Amazon Web Services (AWS) and artificial intelligence (AI) solutions. Caylent operates a remote-first model and is led by CEO Valerie Henderson, with a workforce of 291 to 1,000 employees across the U.S. and Canada. As a Premier AWS Consulting Partner, Caylent has received accolades such as the Global Migration Consulting Partner of the Year at the 2025 AWS Partner Awards. Caylent offers a range of services, including cloud-native platform engineering, custom application development, and managed AWS services. Their core offerings encompass application modernization, AWS infrastructure setup and migrations, data modernization and analytics, and infrastructure upgrades. The company also integrates generative AI and machine learning technologies, utilizing tools like Amazon Bedrock and SageMaker. Caylent serves a diverse clientele, from early-stage startups to Fortune 500 companies, across various industries such as financial services, healthcare, media, and technology.

Cisco Systems, Inc. is a leading American technology conglomerate based in San Jose, California. Founded in December 1984 by Stanford University computer scientists Leonard Bosack and Sandy Lerner, Cisco specializes in developing, manufacturing, and selling hardware, software, telecommunications equipment, and high-technology services. The company focuses on networking, cybersecurity, and AI, providing solutions that enable customers to enhance applications, support hybrid work, secure enterprises, and achieve sustainability goals. Cisco's extensive offerings include networking hardware like Catalyst and Nexus switches, collaboration tools such as Webex and Jabber, and IoT solutions through its Jasper platform. The company serves a diverse range of industries, including oil and gas, education, healthcare, and financial services, primarily targeting businesses rather than individual consumers. With over 86,000 employees and a market capitalization of approximately $461 billion, Cisco continues to be a vital player in the global technology landscape.

Clearscale is an AI-powered AWS Premier Tier Services partner founded in 2011 and based in San Francisco, California. The company specializes in simplifying cloud complexity by designing, building, migrating, and managing custom Amazon Web Services (AWS) infrastructures. With a team of over 100 engineers, Clearscale has successfully completed more than 1,000 cloud projects for a diverse range of clients, including startups and large enterprises. The company offers a comprehensive suite of cloud services, including cloud strategy and design, migration and modernization, application development, data and analytics, and managed services. Clearscale holds 12 AWS Competencies, showcasing its expertise in various domains. It serves multiple industries such as healthcare, financial services, retail, and energy, focusing on helping leaders and executives modernize their technology stacks while enhancing business agility. With a commitment to clarity and measurable results, Clearscale operates with a remote-first model and has experienced consistent growth in revenue.

Cloud4C Services is a global leader in cloud managed services, specializing in automation-driven and application-focused solutions. Headquartered in Singapore and founded in 2014, the company provides AI-powered, hybrid, and sovereign cloud services to over 4,000 enterprises across 30 countries, including numerous Fortune 500 companies. Cloud4C is currently being acquired by Capgemini to enhance its hybrid cloud platform capabilities. The company offers a comprehensive range of services, including cloud migration, infrastructure management, technical support, and cybersecurity, all under a single service level agreement. Cloud4C is recognized as a Global Premium Partner for RISE with SAP and Microsoft Azure, providing specialized SAP services and managed security solutions. Its product offerings include multi-cloud migration tools, disaster recovery as a service, and community cloud solutions tailored for specific sectors like BFSI. With a team of over 2,000 certified cloud experts, Cloud4C supports both native and hybrid cloud environments, ensuring robust service delivery for complex technology needs.

Cloudflare, Inc. is a prominent American technology company based in San Francisco, California. Founded in 2009, it offers a comprehensive connectivity cloud platform designed to enhance the security, performance, and reliability of internet assets for businesses of all sizes. The company serves over 20% of the world's websites and protects more than 8 million internet properties. Cloudflare operates as a reverse proxy, filtering malicious traffic and accelerating content delivery through a network of over 300 data centers in 120 countries. Its core services include cybersecurity solutions like DDoS mitigation and threat blocking, performance enhancements through content delivery network (CDN) services, and infrastructure offerings such as domain registration and DNS services. Additionally, Cloudflare provides developer tools and analytics to help organizations monitor internet traffic and security events. The company serves a diverse range of clients, including global brands, small businesses, nonprofits, and government entities, and is publicly traded on the New York Stock Exchange under the ticker NET.

Cloudian Inc is a software company based in San Mateo, California, founded in 2011. It specializes in enterprise-grade, exabyte-scalable object storage and hybrid cloud data management solutions. Its flagship product, Cloudian HyperStore™, offers a scalable storage platform that supports both object and file data, making it suitable for various applications. The platform features a 100% native S3 interface, ensuring compatibility with services that use the Amazon S3 API. Cloudian provides military-grade security and seamless integration with public clouds like Amazon S3 and Google Cloud Platform. The company targets enterprises and service providers that require reliable and affordable storage solutions, particularly those managing data-intensive workloads such as AI and analytics. With a global presence, Cloudian operates in multiple countries, including Japan, China, and several European nations, serving clients who need to optimize data access and ensure data protection.

Cloudreach, an Eviden business, is a global cloud consulting partner that assists enterprises in strategizing, migrating, modernizing, and managing their cloud transformation journeys on platforms like AWS, Azure, and Google Cloud. The company is recognized as an AWS Premier Consulting Partner and has over 600 AWS certifications, with 14 offices worldwide. Cloudreach provides tailored cloud migration assessment and transformation services for Azure and AWS. Its Extended Support service offers managed support for AWS, Microsoft Azure Public Cloud, and Google Cloud Platform, enhancing client operations with dedicated engineering capabilities. The company focuses on helping global enterprises navigate their unique cloud journeys, delivering strategic and managed cloud transformations.

Cloudticity is a healthcare-exclusive cloud Managed Services Provider (MSP) based in Seattle, Washington. Founded in 2011, the company focuses on delivering secure and compliant cloud solutions tailored specifically for healthcare organizations. As a Premier Tier AWS Partner and certified partner for Microsoft Azure and Google Cloud, Cloudticity offers a range of services including cloud engineering, managed security, compliance automation, and data interoperability. The company’s flagship products, Cloudticity Oxygen™ and Cloudticity Healthcare DataHub™, provide comprehensive managed services that automate security, compliance, and infrastructure management. These solutions help healthcare IT teams streamline operations, enhance patient outcomes, and ensure adherence to regulatory standards. Acquired by SMART Global Holdings, Inc. in December 2021, Cloudticity continues to expand its capabilities while maintaining a strong commitment to the healthcare sector.

Cogent Communications Holdings, Inc. is a multinational, Tier-1 Internet Service Provider based in Washington, D.C. Founded in 1999, the company specializes in high-speed Internet access, data transport, and colocation services through its extensive fiber optic network. Cogent operates one of the largest IP backbone networks globally, covering six continents and over 92,600 route miles of intercity fiber. The company offers a range of services, including Dedicated Internet Access, IP Transit, Ethernet services, and colocation solutions. Cogent serves a diverse customer base, from small businesses to Fortune 100 companies, as well as carriers and content providers. With a focus on providing large bandwidth connections at competitive prices, Cogent supports over 138,000 customer connections across 54 countries and 227 markets. In FY2024, the company reported approximately $1.0 billion in revenue.

Comcast Corporation is a prominent global media and technology company based in Philadelphia, Pennsylvania. It is the largest home Internet service provider in the United States and the third-largest pay-TV company. Founded in 1963, Comcast has grown into a multinational conglomerate, providing services across 40 states and the District of Columbia, with a workforce of approximately 186,000 employees. The company offers a wide range of services under the Xfinity and Comcast Business brands. For residential customers, Comcast provides high-speed Internet, digital cable, streaming services through Peacock, and voice services. For commercial clients, it delivers advanced connectivity, cloud solutions, and cybersecurity. Comcast also owns major media properties, including NBCUniversal, Universal Pictures, and theme parks, enhancing its content ecosystem. With a strong presence in North America, Europe, and Asia, Comcast continues to connect people through its diverse offerings and media assets.

CoreSite is a leading provider of data center colocation and interconnection solutions in North America. Founded in 2001 and headquartered in Denver, Colorado, the company operates 24 to 28 carrier-neutral data centers across major markets, including Boston, Chicago, Los Angeles, and New York City. CoreSite serves over 1,350 customers, including Global Fortune 1000 enterprises and cloud providers. The company offers a wide range of services, including retail and wholesale colocation, interconnection services, and cloud access solutions. CoreSite's facilities are designed to support hybrid IT infrastructure, enabling businesses to store, process, and communicate data effectively. Their specialized services include dedicated internet access, IP peering, and custom-built data centers tailored to meet specific client needs. CoreSite's interconnected campuses facilitate the development of resilient digital ecosystems, supporting critical workloads and digital transformation initiatives.

Crown Castle Inc. is a leading real estate investment trust (REIT) based in Houston, Texas, specializing in shared wireless communications infrastructure. Founded in 1994, the company has grown to own and lease approximately 40,000 cell towers across the United States, generating significant revenue by providing space for wireless carriers to install their equipment. Crown Castle's core services include tower-based site leases, small cell networks, and extensive fiber solutions, with around 75,000 to 90,000 route miles of fiber supporting connectivity. The company also offers additional network services such as equipment installation, site development, and permitting. With a strong focus on U.S. 5G deployment, Crown Castle plays a vital role in enhancing wireless connectivity for various sectors, including major mobile carriers, enterprises, and government agencies.

DDN, formerly known as DataDirect Networks, is a global leader in high-performance data storage and data intelligence solutions. Founded in 1998 and headquartered in Chatsworth, California, DDN is recognized as the world's largest private data storage company, employing around 1,230 individuals and reporting revenues of $280 million in 2024. The company specializes in scalable data management infrastructure tailored for data-intensive environments, including AI, machine learning, high-performance computing, and big data analytics. DDN offers a comprehensive suite of services, including a Data Intelligence Platform, GPU optimization services, and cloud-native storage integration. Its flagship products, such as the EXAScaler Parallel File System and Infinia Cloud-Native Storage Platform, are designed to deliver high throughput and low latency, supporting a diverse clientele that includes hyperscalers, enterprises, and research institutions. DDN's solutions empower organizations to maximize the value of their data and enhance operational efficiency across various sectors.

DataBank is a prominent enterprise-class data center provider based in Dallas, Texas. Founded in 2005, the company operates over 20 data centers across major U.S. cities, including Dallas, Minneapolis, and Atlanta. DataBank focuses on delivering secure, compliant, and highly available environments for data and applications, ensuring 100% uptime for its clients. The company offers a wide range of services, including colocation, cloud solutions, interconnection, and managed services. DataBank is recognized for its robust networking solutions and edge colocation services, catering to the needs of large enterprises, technology developers, and content providers. With significant financial backing for expansion, DataBank is well-positioned to support the growing demands of the AI era and provide reliable infrastructure for critical IT operations.