Top Software Startups in North America

LegacyCore Holdings, Inc. is a defense and enterprise tech conglomerate fundamentally re-architecting how global data is stored, transmitted, and protected. We build un-jammable hardware networks, air-gapped server vaults, and zero-bloat operating systems designed to withstand state-sponsored cyber threats and prevent catastrophic global IT outages. We do not rely on legacy third-party vendors. We build from the bare metal up. Our technology is "Dual-Use"—engineered to secure commercial sectors (Healthcare, Finance, Critical Infrastructure) while meeting the rigorous demands of tactical defense applications.

Reunion is the leading platform for clean energy tax credits and compliance. Since 2024, we have worked with major corporations to invest over $7 billion in clean energy projects, including some of the industry's largest tax credit transactions. We are a fast-growing and profitable company, and our expert 25-person team knows how to get things done and loves to move fast! Our founders, Billy Lee and Andy Moon, are second-time entrepreneurs and were early pioneers in solar tax equity and project finance. We have recruited an experienced team of early executives from SunEdison, SolarCity, Tesla, GoodLeap, and other leading clean energy companies. We have built a strong company culture which values collaboration and speed… while still having fun. In 2025, we launched Reunion PWA, a software solution that helps developers comply with prevailing wage and apprenticeship (PWA) requirements to unlock the full value of clean energy tax credits. Reunion PWA is rapidly gaining traction in the market, and we’re growing our team to accelerate adoption and expand to additional compliance offerings. Join us in the fight against climate change by helping renewable energy developers build faster!

FindAD is a revolutionary map-based location and advertising platform designed to make discovery easier, connections stronger, and advertising more effective. Whether you’re searching for friends, businesses, or real-time deals, FindAD brings everything to your fingertips.

Sahova is building the first AI-native operating system for construction. We believe the future of construction isn't another project management tool—it's an intelligent operating system that understands every project, document, conversation, and workflow. Our mission is to simplify and advance how builders and contractors run their businesses through AI.