MentionFox lists 86 Construction companies. Of them, 70 are Y Combinator companies (the newest batch here is Summer 2026, with 5); 14 filed a Form D notice with the SEC; 2 won an SBIR or STTR award.
Companies86
Y Combinator70
Form D filers14
SBIR/STTR winners2
By year
- 2026: 25 companies (11 Y Combinator, 14 Form D filers); median amount sold $560,000 across 12 Form D notices
Construction startups from other years
Companies from before 2020, or from a year with fewer than 15 of them. Every other year has its own full list, linked above.
| Company | What it does | Date | Amount | Round / stage | Record |
|---|---|---|---|---|---|
| Icon Technology Inc | O2d-0249 generative AI to streamline DOD construction approvals | Award starts Sep 29, 2025 | $1.2M | SBIR Phase II | Federal award record |
| Helonic | Automatic Construction Drawing Clash Detection | Fall 2025 | Y Combinator batch | Y Combinator listing | |
| Semiotic | Studio-Grade Design at Scale | Fall 2025 | Y Combinator batch | Y Combinator listing | |
| Structured AI | The AI drawing review platform for architects and engineers. | Fall 2025 | Y Combinator batch | Y Combinator listing | |
| Alkali | The smarter way to estimate steel. | Spring 2025 | Y Combinator batch | Y Combinator listing | |
| Opusense AI | AI for Field Inspection Reports | Spring 2025 | Y Combinator batch | Y Combinator listing | |
| Linc Research, Inc. | Novel construction of lunar landing pad reinforcement structures | Award starts Jan 6, 2025 | $899,630 | STTR Phase II | Federal award record |
| Permitify | AI co-pilot for building plan review and building code compliance | Winter 2025 | Y Combinator batch | Y Combinator listing | |
| ArchiLabs | AI Data Center Design | Fall 2024 | Y Combinator batch | Y Combinator listing | |
| Fresco | AI copilot for construction estimators | Fall 2024 | Y Combinator batch | Y Combinator listing | |
| Karmen | Your AI scheduling assistant for construction | Fall 2024 | Y Combinator batch | Y Combinator listing | |
| PermitPortal | AI Operating System for Pre-construction | Fall 2024 | Y Combinator batch | Y Combinator listing | |
| Merlin AI | AI powered ERP for Construction | Summer 2024 | Y Combinator batch | Y Combinator listing | |
| SchemeFlow | AI Report Generation for Engineering & Environmental Review | Summer 2024 | Y Combinator batch | Y Combinator listing | |
| CoCrafter | B2B construction marketplace to match contractors and subcontractors. | Winter 2024 | Y Combinator batch | Y Combinator listing | |
| Feldy | Field-First AI for home services | Winter 2024 | Y Combinator batch | Y Combinator listing | |
| InspectMind AI | AI agent for construction drawings review | Winter 2024 | Y Combinator batch | Y Combinator listing | |
| Constructable | Building the next Procore | Summer 2023 | Y Combinator batch | Y Combinator listing | |
| Foundation | Shopify for Homebuilders | Summer 2023 | Y Combinator batch | Y Combinator listing | |
| sizeless | The spatial AI to plan, build and maintain the world's infrastructure | Summer 2023 | Y Combinator batch | Y Combinator listing | |
| Trayd | A construction payroll and compliance platform built for specialty… | Summer 2023 | Y Combinator batch | Y Combinator listing | |
| Clad | Project management software for building infrastructure. | Winter 2023 | Y Combinator batch | Y Combinator listing | |
| Dill | Dill helps construction suppliers automate accounts receivable,… | Winter 2023 | Y Combinator batch | Y Combinator listing | |
| inBuild | Workflow Automation for Construction Finance | Winter 2023 | Y Combinator batch | Y Combinator listing | |
| Materee | E-commerce platform for construction materials in Indonesia | Summer 2022 | Y Combinator batch | Y Combinator listing | |
| Provision | Ironclad for construction | Summer 2022 | Y Combinator batch | Y Combinator listing | |
| TigerEye | AI for Construction | Summer 2022 | Y Combinator batch | Y Combinator listing | |
| Agave | AI Financial Operations for Construction | Winter 2022 | Y Combinator batch | Y Combinator listing | |
| Carbon Crusher | We make carbon negative roads | Winter 2022 | Y Combinator batch | Y Combinator listing | |
| HippoBuild | The Operating System of the construction industry | Winter 2022 | Y Combinator batch | Y Combinator listing | |
| KorrAI | Traceable AI for billion-dollar infrastructure. | Winter 2022 | Y Combinator batch | Y Combinator listing | |
| PermitFlow | Construction's AI Platform | Winter 2022 | Y Combinator batch | Y Combinator listing | |
| RDash | AI Powered Construction Management Software | Winter 2022 | Y Combinator batch | Y Combinator listing | |
| Unlayer | AI-powered content creation infrastructure for apps | Winter 2022 | Y Combinator batch | Y Combinator listing | |
| Vobi | All-in-one project management software for construction SMBs in Latam | Winter 2022 | Y Combinator batch | Y Combinator listing | |
| WeReno | The AI operating layer for property improvement. | Winter 2022 | Y Combinator batch | Y Combinator listing | |
| Bolster | The platform for buying, selling and managing residential construction | Summer 2021 | Y Combinator batch | Y Combinator listing | |
| Concord Materials | Automating procurement and finance for construction companies | Summer 2021 | Y Combinator batch | Y Combinator listing | |
| DigiBuild | We buy & track building materials for construction companies. | Summer 2021 | Y Combinator batch | Y Combinator listing | |
| RendaloMaq | Tech-powered equipment rentals in Latam. | Summer 2021 | Y Combinator batch | Y Combinator listing | |
| Truss | Banking for construction | Summer 2021 | Y Combinator batch | Y Combinator listing | |
| BotBuilt | We use robots to build houses. | Winter 2021 | Y Combinator batch | Y Combinator listing | |
| Humance | AI that keeps complex construction projects on schedule. | Winter 2021 | Y Combinator batch | Y Combinator listing | |
| Machine26 | Marketplace for construction machines | Winter 2021 | Y Combinator batch | Y Combinator listing | |
| Mindee | AI Document Understanding API | Winter 2021 | Y Combinator batch | Y Combinator listing | |
| Roin Technologies | Building robots to automate commercial concrete construction. | Winter 2021 | Y Combinator batch | Y Combinator listing | |
| Ladder | Labor Marketplace for Construction | Summer 2020 | Y Combinator batch | Y Combinator listing | |
| Handoff | AI estimator & agent for remodelers. | Winter 2020 | Y Combinator batch | Y Combinator listing | |
| Curri | Construction & industrial logistics platform. | Summer 2019 | Y Combinator batch | Y Combinator listing | |
| Downtobid | Using AI to understand construction plans faster. | Summer 2019 | Y Combinator batch | Y Combinator listing | |
| Green Canopy NODE | Green Canopy NODE builds sustainable homes fast. | Summer 2019 | Y Combinator batch | Y Combinator listing | |
| Kraftful | Copilot for product teams | Summer 2019 | Y Combinator batch | Y Combinator listing | |
| Odeko | Our operations software makes it easier to run--and grow--your cafe | Summer 2019 | Y Combinator batch | Y Combinator listing | |
| Handle | Simplifying Payments and Compliance for Construction Suppliers | Winter 2019 | Y Combinator batch | Y Combinator listing | |
| Embeddables | The funnel builder built for health & wellness brands. | Summer 2018 | Y Combinator batch | Y Combinator listing | |
| Aecore | Vertically integrated commercial construction | Summer 2017 | Y Combinator batch | Y Combinator listing | |
| UpCodes | AI platform for unifying codes, assemblies, products, and specs | Summer 2017 | Y Combinator batch | Y Combinator listing | |
| Bulldozair | Construction management platform | Summer 2016 | Y Combinator batch | Y Combinator listing | |
| Resolve | Software to accelerate construction by finding issues in 3D BIM | Winter 2015 | Y Combinator batch | Y Combinator listing | |
| PlanGrid | Mobile applications for the construction industry. | Winter 2012 | Y Combinator batch | Y Combinator listing | |
| Mixpanel | Mixpanel is event analytics for builders that need answers. | Summer 2009 | Y Combinator batch | Y Combinator listing |
Selling to these companies?
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Figures come only from the record linked in each row; a blank means the record gives none. How these lists are built.