Connecting hearts

Founded in 2011, CallHub is an easy to use and award winning voice broadcasting, phone banking and SMS broadcast software that seamlessly integrates with users' existing systems. They are used across 200 countries and world renowned campaigns run by Uber, Greenpeace, Harvard University, Princeton University, Change.org, Save the Children, United Workers Union, among many others.

Check out the video below for a sneak peek into the product!

CallHub, headquartered in Washington DC, is the leading digital organizing platform for political campaigns, nonprofits, advocacy groups, and businesses seamlessly interact with their audiences worldwide.

The product

Their call center software enables unlimited agents to connect with people over a call to have personalized one-on-one conversations. The range of automated dialers (which include Power, Preview, Predictive, and Fast Click dialers) gives clients complete control over their dialing speed based on your needs while maintaining compliance. With features like answering machine detection, voicemail drop, phone number verification, and many more, the software ensures you spend maximum time having quality conversations. CallHub's mass texting solution lets users connect with people over SMS with solutions like Bulk SMS, MMS, SMS Opt-in and peer-to-peer texting.

Virtana is the leader in observability for hybrid infrastructure. The AI-powered Virtana Platform delivers a unified view across applications, services, and underlying infrastructure, correlating user impact, service dependencies, performance bottlenecks, and cost drivers in real time. Trusted by Global 2000 enterprises, Virtana helps IT, operations, and platform teams improve efficiency, reduce risk, and make faster, AI-driven decisions across complex, dynamic environments. Learn more at virtana.com.

Virtana is proud to be an Equal Opportunity Employer. We value diversity and are committed to creating an inclusive environment for all employees.

Recent Milestones



• Acquired Zenoss to build a unified observability platform combining deep infrastructure analytics, AI-driven intelligence, and end-to-end service visibility.
• Launched AI Factory Observability (AIFO) to address the performance, cost, risk, and visibility challenges of AI infrastructure across GPU-driven and hybrid environments.
• Recognized as Best Hybrid Cloud Solution (2025) by The Cloud Awards.
• First to extend Agentic AI across the Enterprise Stack, enabling autonomous, full-stack intelligence.
• Patented Full-Stack Cloud Optimization for AI Environments, driving smarter performance and cost efficiency for modern AI workloads.

]eShipz: Simplifying Global Shipping for Businesses: At eShipz, we are revolutionizing how businesses manage their shipping processes. Our platform is designed to offer seamless multi-carrier integration, enabling businesses of all sizes to ship effortlessly across the globe. Whether you're an e-commerce brand, a manufacturer, or a logistics provider, eShipz helps streamline your supply chain with real-time tracking, automated shipping labels, cost-effective shipping rates, and comprehensive reporting.

Our goal is to empower businesses by simplifying logistics, reducing shipping costs, and improving operational efficiency. With an easy-to-use dashboard and a dedicated support team, eShipz ensures that you focus on scaling your business while we handle your shipping needs.

Quantiphi is an award-winning AI-first digital engineering company driven by the desire to reimagine and realize transformational opportunities at the heart of the business. Since its inception in 2013, Quantiphi has solved the toughest and most complex business problems by combining deep industry experience, disciplined cloud, and data-engineering practices, and cutting-edge artificial intelligence research to achieve accelerated and quantifiable business results.

At Hunarstreet Technologies Pvt Ltd, we specialize in delivering India’s fastest hiring solutions, tailored to meet the unique needs of businesses across various industries. Our mission is to connect companies with exceptional talent, enabling them to achieve their growth and operational goals swiftly and efficiently.

We are able to achieve a success rate of 87% in relevancy of candidates to the job position and 62% success rate in closing positions shared with us.