Top Portland, ME Startups (10,000+)

Babylist is the trusted platform for millions of growing families. For over a decade, Babylist has been the technology solution for expecting parents and the community that supports them, expanding from baby registry into a full-service platform that helps parents make decisions with confidence, stay connected, and build happy and healthy families. Every year Babylist helps over 9M people make...

Justworks is a cloud-based software platform that takes the busyness out of growing a business and alleviates the unknown. We've combined a simple platform and exceptional 24/7 customer service to help entrepreneurs and businesses grow with confidence by giving them access to corporate-level benefits, automated payroll, HR tools, and compliance support— all in one place.

Hedra is an AI native platform for multimodal creation. The platform is built around their own cutting-edge proprietary video model, Character-3, which is the first multimodal model in production. Alongside Character-3, the platform also brings other leading foundation models into one ecosystem spanning generative images, video, and audio. Prosumer and enterprise users leverage Hedra to generate content ranging from viral...

Celonis makes processes work for people, companies and the planet. The Celonis Process Intelligence Platform uses industry-leading process mining and AI technology and augments it with business context to give customers a living digital twin of their business operation. It’s system-agnostic and without bias, and provides everyone with a common language for understanding and improving businesses. Celonis enables its customers...

Striveworks helps organizations get the most out of their investment in artificial intelligence. Our proprietary technology allows organizations to rapidly build, launch, and maintain AI models—in hours, not months. Users can deploy them in one click and keep them working even when the world changes around them. Striveworks delivers trustworthy AI-powered analysis by creating models that “learn” and stay ahead...

ActBlue is a nonprofit tech organization working to help Democratic campaigns, progressive organizations, and nonprofits build campaigns fueled by small-dollar donors. Our tools make it possible for anyone to build a grassroots campaign or movement and give donors an easy and secure way to support their favorite candidates and causes.

At Freed, we’re on a mission to give clinicians their time back - because healthcare professionals should be caring for patients, not drowning in paperwork. Every year, doctors and clinicians spend thousands of hours documenting care. That’s time lost to late nights, burnout, and administrative overload. Freed is changing that. We’ve built a powerful, AI-driven medical scribe that listens in on...

PagerDuty, Inc. (NYSE:PD) is a global leader in digital operations management, enabling customers to achieve operational efficiency at scale with the PagerDuty Operations Cloud. The PagerDuty Operations Cloud combines AIOps, Automation, Customer Service Operations and Incident Management with a powerful generative AI assistant to create a flexible, resilient and scalable platform to increase innovation velocity, grow revenue, reduce cost, and...

IMC is a global trading firm powered by a cutting-edge research environment and a world-class technology backbone. Since 1989, we’ve been a stabilizing force in financial markets, providing essential liquidity upon which market participants depend. Across our offices in the US, Europe, Asia Pacific, and India, our talented quant researchers, engineers, traders, and business operations professionals are united by our...

Cin7 connects your channels, inventory and accounting together. It dramatically reduces the cost of selling products across multiple channels, and opens up exciting new opportunities for product sellers. We're built on innovation, trust & collaboration, and a passion to see our customers thrive.

Cisco ThousandEyes is a Digital Experience Assurance platform that empowers organizations to deliver flawless digital experiences across every network – even the ones they don’t own. Powered by AI and an unmatched set of cloud, internet and enterprise network telemetry data, ThousandEyes enables IT teams to proactively detect, diagnose, and remediate issues – before they impact end- user experiences. ThousandEyes...

Super-charged customer acquisition. Centerfield delivers outcome-based digital marketing solutions and personalized omnichannel experiences for the world’s leading brands. Powered by our proprietary Dugout platform, Centerfield acquires customers at scale for leading residential service, insurance, e-commerce and B2B brands. Centerfield’s digital experiences and digital brands, such as Business.com and BroadbandNow.com, reach more than 150 million in-market shoppers annually. Centerfield is headquartered...

Optimal is a performance marketing agency on a mission, to bring together the best data, technology, and people to achieve our clients’ marketing goals. Brand, campaign, or cause: we maximize performance at every moment. We are not only digital media strategists – we’re award-winning industry leaders, with deep knowledge spanning all things digital: from advertising and paid media to marketing and...

HMA partners with employers to create cost-effective, customized healthcare plans. We deliver employers more value than anyone in the market by striking the right balance of cost and quality through our network, payment integrity, and robust administrative support services. Healthcare plans are expensive, and costs are rising every year. We provide cost-effective, flexible, and customized solutions that harness the power...

Apex Fintech Solutions provides the tools and services that enable hundreds of clients to launch, scale, and support digital investing for tens of millions of end investors. The company provides essential infrastructure and a comprehensive ecosystem of cloud-based products to enable and streamline trading, wealth management, cost basis, tax reporting, and, through its subsidiary Apex Clearing™, custody and clearing. For...

At ReversingLabs, we are providing the world’s largest threat intelligence repository to protect software development and power advanced security solutions, keeping the most advanced cybersecurity organizations and Fortune 500 enterprises informed and ahead of the threats. Our software supply chain security and threat intelligence solutions have become essential to advancing enterprise cybersecurity maturity globally. Notable breaches such as SolarWinds, CircleCI and...

Named among the World’s Most Admired Companies™ by Fortune and recognized in the Fortune 100 Best Companies to Work For® list in 2025, MetLife is leading the global transformation of an industry we’ve defined for more than 155 years. At MetLife, every innovation and line of code is a lifeline for our customers and their families—from victims of natural disasters...

Since 1851, MassMutual’s commitment has always been to help people protect their families, support their communities, and help one another. This is why we want to inspire people to Live Mutual. We’re people helping people. Together, we’re stronger.

The power it has to uplift and bring people, Guided by our purpose - Celebrating real connections through delicious, planet-friendly food - we believe that working together with our teams, business and community partners will bring sustainable growth and positive change - today, tomorrow and for generations to come. As a privately owned family company with over 60 years of...

Vantor is forging the new frontier of spatial intelligence to unlock a more autonomous, interoperable world. We empower decision makers and operators with the clarity they need to navigate what’s happening now and shape what’s coming next. Our AI-powered spatial intelligence platform fuses data from the world’s highest-resolution satellites with real-time sensor feeds from space, air, and ground to create...