Venture-Backed Startups

CABN designs and builds prefabricated homes using FSC-certified cross-laminated timber, targeting net-zero and carbon-negative construction. It works with homeowners, developers, architects, realtors, and municipalities on residential building projects.

1 investor

0 investors

Build Block provides end-to-end U.S. real estate services—development, design and permitting, construction, brokerage, asset management, and investment advisory—primarily for Korean companies and investors entering the U.S. market. It operates as a U.S. General Contractor and also handles industrial and AI infrastructure projects such as factories, data centers, and power plants.

3 investors

Build Change works on systems change for resilient housing, helping homeowners and decision-makers across the housing value chain build climate resilience and prevent housing loss from disasters. It pairs technology with technical expertise to scale resilient housing programs globally.

1 investor

Build Club operates a learning community and platform where individuals learn AI skills through courses and certifications, build projects collaboratively with other members, and access job opportunities and client connections. The platform serves young professionals, AI practitioners, freelancers, and solopreneurs globally.

2 investors

Build Health International (BHI) is a nonprofit that partners with global health organizations in low-resource settings to plan, design, construct, and maintain healthcare infrastructure. Its services span budget planning, architectural design, building construction, and facilities maintenance, including medical equipment provisioning and solar power.

1 investor

0 investors

Build to Zero develops ThermalBox, a modular thermal energy storage system (heat battery) that uses renewable electricity to deliver emission-free industrial process heat below 400 °C, replacing fossil fuels. It targets process industries seeking to decarbonize medium-low temperature heat.

1 investor

0 investors

0 investors

Build4Performance builds high-end racing simulator hardware for F1 and GT driving, featuring motion platforms with legs that move 150mm to simulate racing forces, a carbon-fiber seat, and a five-point harness. The simulators are aimed at racing enthusiasts and home users seeking a realistic driving experience.

1 investor

0 investors

Build Additive manufactures 3D concrete printing (3DCP) systems for on-site and off-site masonry construction, including HAUS systems for residential builders producing concrete homes and LAB systems for universities and research institutions. The company provides print-ready G-code files and uses CSA mortar, with US-based manufacturing and support.

1 investor

0 investors

Array is an enterprise mobile forms platform for field data capture and offline collection with real-time reporting and integrations. It serves teams in construction and field service industries who need to collect, manage, and analyze data from remote job sites.

2 investors

BuildBear provides cloud-enabled, private EVM sandboxes that let Web3 development teams test and debug smart contracts under simulated mainnet conditions, with forking, faucets, block explorers, and plugins for services like account abstraction and price feeds. It targets DeFi and dApp developers building on Ethereum and EVM-compatible chains.

1 investor

BuildBetter is a customer development platform for B2B product, success, and engineering teams that automatically captures and transcribes feedback from calls, tickets, Slack, surveys, and CRM data, then uses AI to extract intent, apply a custom taxonomy, and surface insights. It also tracks what teams build and notifies customers when requested features ship, aiming to reduce churn.

1 investor

BuildBetter is a customer development and feedback management platform for B2B product teams that captures, structures, and acts on customer feedback from calls, tickets, Slack, and surveys using AI-powered analysis. The platform helps product, success, and engineering teams reduce churn, accelerate research sharing, and align around customer context through automated insights and workflows.

1 investor

BlueShift develops and operates modular mineral-processing assets that combine on-site electrochemical reagent generation, intensified processing hardware, and intelligence software to reduce the cost and lead-times of critical mineral processing. The company is starting with domestic rare-earth refining from secondary feedstocks to supply markets such as advanced nuclear, space, and AI infrastructure.

1 investor

Buildbox is a platform that detects failed user journeys in AI agents that pass their evals but still fail to help users complete tasks, ranking these failures by business impact. It ties agent failures to outcomes and tests alternative agent behaviors against the same customer task before release.

1 investor

BuildBuddy makes tools for developers to increase productivity. Founded by former Google engineers with experience across Android, Maps, Search, and Cloud products.

5 investors

BuildCasa buys California properties at full market value to develop attainable homes for middle-income residents, using state housing laws and a proprietary algorithm to identify, acquire, and permit infill development sites. It builds custom-designed homes in existing neighborhoods while providing returns to its investors.

2 investors

Buildcheck provides a web application that scans architectural and construction drawings and specifications to detect errors, omissions, and inconsistencies before they become field problems. It serves architects, developers, and construction project teams, marking up issues on drawings and supporting collaboration and task assignment toward a construction-ready document set.

2 investors

BuildClub offers an AI readiness consulting engagement that scores organizations using its six-dimension BuildClub Readiness Index and audits data, tools, and workflows across functions. It delivers workflow assessments and a 12-month roadmap to executive teams and boards.

1 investor