# Y Combinator's Construction Investments: 31 Startups in Its Portfolio (2026) > The 31 Construction startups Y Combinator has backed, by stage: $3.3B raised between them. From the rounds we track; updated nightly. Source: https://millionrounds.com/portfolio-maps/y-combinator-construction-portfolio (Millionrounds; every figure on the page links to its filing or article) ## Series A 12 - [LightTable](https://millionrounds.com/company/lighttable) - [Remi](https://millionrounds.com/company/remi) - [HyLight](https://millionrounds.com/company/hylight) - [Pirros](https://millionrounds.com/company/pirros) - [*T* Trayd](https://millionrounds.com/company/trayd) - [*A* Atmos](https://millionrounds.com/company/atmos) - [Material Depot](https://millionrounds.com/company/material-depot) - [Concretene](https://millionrounds.com/company/concretene) - [Civ Robotics](https://millionrounds.com/company/civ-robotics) - [Teleo](https://millionrounds.com/company/teleo) - [Bulldozair](https://millionrounds.com/company/bulldozair) - [Hest Outdoors](https://millionrounds.com/company/hest-outdoors) ## Pre-seed and seed 9 - [Conduit](https://millionrounds.com/company/conduit) - [Drafted](https://millionrounds.com/company/drafted) - [DEN](https://millionrounds.com/company/den) - [RendaloMaq](https://millionrounds.com/company/rendalomaq) - [Bild AI](https://millionrounds.com/company/bild-ai) - [Ultrawatt](https://millionrounds.com/company/ultrawatt) - [Articulate](https://millionrounds.com/company/articulate) - [Permitify](https://millionrounds.com/company/permitify) - [Hammr](https://millionrounds.com/company/hammr) ## Stage not reported 6 - [BuildZoom](https://millionrounds.com/company/buildzoom) - [Craftwork](https://millionrounds.com/company/craftwork) - [Carbicrete](https://millionrounds.com/company/carbicrete) - [Roofr](https://millionrounds.com/company/roofr) - [Structured AI](https://millionrounds.com/company/structured-ai) - [Silvis Materials](https://millionrounds.com/company/silvis-materials) ## Series B 4 - [EquipmentShare](https://millionrounds.com/company/equipmentshare) - [Handle](https://millionrounds.com/company/handle) - [Agraga](https://millionrounds.com/company/agraga) - [Aqua Membranes](https://millionrounds.com/company/aqua-membranes) ## Segment by segment ### Series A 12 startups · $154M raised - [**LightTable**](https://millionrounds.com/company/lighttable) LightTable is a construction technology company based in Denver, founded in 2024. United States $28M - [**Remi**](https://millionrounds.com/company/remi) Remi, a PartsSource company based in Charlotte, NC, has been providing data-driven equipment service vendor and contract managemen United States $23M - [**HyLight**](https://millionrounds.com/company/hylight) HyLight is a French startup founded in 2022, based in Le Plessis-Pâté, specializing in autonomous, hydrogen-powered airship drones France $18M - [**Pirros**](https://millionrounds.com/company/pirros) Pirros is a cloud-based content intelligence and detail management platform tailored for the Architecture, Engineering, and Constr United States $15M - [*T* **Trayd**](https://millionrounds.com/company/trayd) United States $15M - [*A* **Atmos**](https://millionrounds.com/company/atmos) United States $14M - [**Material Depot**](https://millionrounds.com/company/material-depot) Material Depot is a SAAS company that offers Discovery engine and AI design toolhfor home improvement requirements. India $10M - [**Concretene**](https://millionrounds.com/company/concretene) Concretene is a concrete alternative that is designed to provide a viable CO2 reduction technology in the construction industry. United Kingdom $9.9M ### Pre-seed and seed 9 startups · $209M raised - [**Conduit**](https://millionrounds.com/company/conduit) Conduit reduces employee turnover by aligning business objectives with employee priorities and creating communities of peers while United States $186M - [**Drafted**](https://millionrounds.com/company/drafted) Drafted is an AI-powered home design platform based in San Francisco. United States $6.4M - [**DEN**](https://millionrounds.com/company/den) DEN Outdoors (DEN) is a home design and construction management company founded in July 2020 by CEO Mike Romanowicz. United Kingdom $4.5M - [**RendaloMaq**](https://millionrounds.com/company/rendalomaq) RendaloMaq is a technology-driven platform that specializes in the rental, purchase, and sale of machinery and equipment for indus Chile $4.5M - [**Bild AI**](https://millionrounds.com/company/bild-ai) Bild AI is an AI based Internet firm offering comprehends construction blueprints, material automation and cost estimation for builders. United States $3.6M - [**Ultrawatt**](https://millionrounds.com/company/ultrawatt) Ultrawatt is a mission-driven startup to improve urban architecture while making a beneficial social and environmental effect. France $2.2M - [**Articulate**](https://millionrounds.com/company/articulate) Articulate is a leading global provider of cloud-based e-learning software and training solutions, founded in 2002 by Adam Schwart United States $500K - [**Permitify**](https://millionrounds.com/company/permitify) Permitify is an AI tool that helps review building plans and ensures they follow building codes. United States $500K ### Stage not reported 6 startups · $33M raised - [**BuildZoom**](https://millionrounds.com/company/buildzoom) Buildzoom is enabling people to live and work in beautiful spaces by transforming construction into a delightful experience. United States $15M - [**Craftwork**](https://millionrounds.com/company/craftwork) Craftwork is a digital-native home painting company located in Charlotte, North Carolina. United States $8.0M - [**Carbicrete**](https://millionrounds.com/company/carbicrete) CarbiCrete is a carbon removal technology that develops innovative, low-cost building solutions that reduce greenhouse gas emissions. Canada $5.7M - [**Roofr**](https://millionrounds.com/company/roofr) Roofr is a sales and operations software platform designed specifically for the roofing industry. United States $4.0M - [**Structured AI**](https://millionrounds.com/company/structured-ai) Structured AI is a Y Combinator-backed startup that develops an AI-powered quality assurance and quality control platform tailored United States $497K - [**Silvis Materials**](https://millionrounds.com/company/silvis-materials) Bio-renewable, bio-degradable emulsions for adhesives, binders and coatings, helping to clean up our planet. United States $240K ### Series B 4 startups · $2.9B raised - [**EquipmentShare**](https://millionrounds.com/company/equipmentshare) Rent the newest construction equipment and tools, track your entire fleet and put your assets to work with EquipmentShare at one o United States $2.8B - [**Handle**](https://millionrounds.com/company/handle) United States $25M - [**Agraga**](https://millionrounds.com/company/agraga) Agraga, officially known as Virya Logistics Technologies Private Limited, is a digital logistics platform based in Chennai, Tamil India $11M - [**Aqua Membranes**](https://millionrounds.com/company/aqua-membranes) Aqua Membranes is an environmental company that provides a differentiated solution in membrane element construction. United States $11M **How this map is made.** Every startup here works in Construction and has raised money in a round we track that names Y Combinator as an investor. Each sits under the stage of its latest round. Rebuilt nightly; updated 15 November 2026. ## More portfolio maps [All portfolios](https://millionrounds.com/portfolio-maps) [Sector portfolio **Y Combinator's AI portfolio** 1,143 startups · $44B](https://millionrounds.com/portfolio-maps/y-combinator-ai-portfolio)[Sector portfolio **Y Combinator's Fintech portfolio** 338 startups · $24B](https://millionrounds.com/portfolio-maps/y-combinator-fintech-portfolio)[Sector portfolio **Y Combinator's Big Data & Analytics portfolio** 201 startups · $3.4B](https://millionrounds.com/portfolio-maps/y-combinator-big-data-analytics-portfolio)[Sector portfolio **Y Combinator's Healthtech portfolio** 150 startups · $4.2B](https://millionrounds.com/portfolio-maps/y-combinator-healthtech-portfolio)[Sector portfolio **Y Combinator's IT Services portfolio** 148 startups · $840M](https://millionrounds.com/portfolio-maps/y-combinator-it-services-portfolio)[Sector portfolio **Y Combinator's Web3 & Crypto portfolio** 139 startups · $7.4B](https://millionrounds.com/portfolio-maps/y-combinator-web3-crypto-portfolio) ## Raising from investors like Y Combinator? 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