Top 50 Construction Angel Investors in United States (October 2026)

Portfolio highlights

• Rent App — Turn your biggest monthly payment into two smaller ones. Split Pay works for rent, mortgage, and car payments. Same total, smarter timing.
• Candor — Candor utilizes artificial intelligence to assist startups in the defense, energy, and biotech sectors in securing substantial U.S. government funding, offering a software platform that automates proposal drafting and ensures adherence to all requirements.
• Cuby Technologies, Inc. — Cuby is a full-stack technology company that develops scalable hardware and software systems for process improvement and automation in new home construction (and beyond it).

Portfolio highlights

• Humera — Humera - AI CAPTCHA That Knows You're Human
• Allonic — Allonic is a robotics hardware company pioneering 3D Tissue Braiding, a new manufacturing platform for producing integrated, compliant, bio-inspired robotic bodies through a single, fully automated production process. By eliminating assembly-heavy designs and supply-chain complexity, Allonic enables significantly faster iteration, lower costs, andsafer, more dexterous robots to be built. Originally founded from Hungary and operating internationally with a US HQ and a growing team of 15, Allonic is building the hardware foundation for the next generation of intelligent machines.
• Heywa Labs — Two products, one engine. Heywa Studio for businesses, Heywa for anyone with a question worth following.

Portfolio highlights

• Latii — Latii is a producer and supplier of building materials. They provide products that include windows and doors, structural steel, metal, casting, and fastening. They offer services for the construction industry.
• Suppli — Suppli simplifies your payments, connects you with your customers and helps you get paid faster.
• Vergo — Vergo is a financial technology company and is not a bank. Banking services provided by Blue Ridge Bank, N.A.; Member FDIC.

Portfolio highlights

• Exowatt — Modular full-stack renewable energy solutions for commercial and industrial customers.
• Preventive — Preventive mission is to determine whether the newest generation of gene editing technologies can be used safely and responsibly to correct devastating genetic conditions for future children.
• Red Queen Bio — Red Queen Bio is an AI biosecurity company. Think of us as the cybersecurity layer for biology. AI is making it dramatically easier to design powerful new drugs and therapies, which is extraordinary news for medicine. But the same tools are also lowering the barrier for bad actors to engineer dangerous pathogens, and opening up an entirely new category of threats, including viruses designed to evade human immunity.Defense has to keep pace with offense.

Portfolio highlights

• Scripto — Whether you're taping a show in a studio, collaborating on screenplays, or making a video game, Scripto helps you do your best work and save time while you do it.
• Kind Designs — Kind Designs is a trusted 3D Printed seawall contractor in Miami offering custom seawall construction, shoreline protection, erosion control solutions.
• The Athletics — The Athletics franchise is a professional spectator sports organization that operates a Major League Baseball club. The company manages athletic team rosters, player scouting, talent development, and medical staff for its baseball operations. It coordinates live event production, stadium technology, corporate sponsorships, and ticket saleslogistics for professional games. Additionally, the business oversees regional television, radio, and streaming broadcast infrastructure to distribute sports media content.

Portfolio highlights

• Rhumbix — Rhumbix is Field and Workforce Management built for Construction industry professionals. Consolidate field workflows for Time and materials.
• Levelset — Construction payment help is here. Find out how Levelset helps thousands of contractors like you resolve problems and streamline payments every day!
• dili — Dili is a deal platform built for venture funds and private equity. We use AI to contextualize new deals and help you make better decision faster.

Portfolio highlights

• SilkChart — SilkChart helps growth teams improve campaigns based on what users are doing in product - without relying on expensive data scientists. We do this through a no code analytics tool that combines marketing and product usage data to identify which channels, audiences, and content maximize revenue growth.
• Trace — AI orchestration layer for modern teams
• Augmend — Create documentation and an AI assistant from any video.

Portfolio highlights

• Outbuild — Construction scheduling and planning, made easy.
• Rayon — Built for Speed. Designed for Teams.
• Outbuild — Construction scheduling and planning, made easy.

Portfolio highlights

• Rhumbix — Rhumbix is Field and Workforce Management built for Construction industry professionals. Consolidate field workflows for Time and materials.
• PlanGrid — The #1 construction app is now part of Autodesk Forma, bringing the best of PlanGrid with it. Login, get support and answers to FAQs.

Portfolio highlights

• Pirros — Pirros is a first real Detail Management System for Architects and Engineers. Store all your details easily. Manage your team's library and continuously improve your details from project to project. Directly integrated with Autodesk Revit
• Bild AI — Bild AI utilizes artificial intelligence to interpret construction blueprints and extract essential material and cost information for builders, and traditionally, obtaining material and cost estimates from blueprints is a labor-intensive task that requires manual drawing and is susceptible to human error, and this method can be both time-consumingand costly, potentially leading to significant financial losses on projects.
• Mastra — Ship AI agents that reason, remember, and act in TypeScript. Mastra provides memory, tools, MCP, and observability to go from prototype to production.

Portfolio highlights

• Enklu — Display your art in the metaverse in under 10 minutes or less with Enklu. Ready to design the metaverse?
• Hallow — Pray every day this Lent with Mark Wahlberg, Chris Pratt, Jonathan Roumie, and millions of others around the world on Hallow, the #1 prayer app.
• Conservation Labs — H2know by Conservation Labs can help you better manage your water consumption and protect you from water disasters! Learn More...

Portfolio highlights

• Reducto — Reducto's API converts unstructured documents into structured outputs for RAG, process automation, and more.
• Inboxbooster — Test your email deliverability for free. See if emails go to spam or inbox with our patented technology.
• Prequel — Prequel is the easiest way to push data to your customer's data warehouse. Sync data to your customers without writing any code. Enterprise-grade and SOC 2 compliant.

Portfolio highlights

• Kinema — A social cinema platform for filmmakers and community builders
• Lava — Fast and secure bitcoin-backed loans. Access dollars without selling your bitcoin, borrow at the lowest rates, and spend globally.
• Jupiter — Jupiter is a specialized manufacturer of hair, scalp care and dandruff products.

Portfolio highlights

• NFTpay — Web3 Payments made Simple. 3-Step Checkout. No upfront KYC.
• Honduras Próspera — Prospera develops zones for entrepreneurs to build better, faster.
• Chooch — Chooch is a hospital inventory management system that uses Vision AI to keep supply rooms accurate in real time. No scanning, no counting, replenishment on autopilot.

Portfolio highlights

• Outbuild — Construction scheduling and planning, made easy.
• Outbuild — Construction scheduling and planning, made easy.

Portfolio highlights

• Yakoa — Content creation is now AI-native. If your digital rights system isn't, it's holding you back. Discover our solutions.
• Dwellsy — Find a rental and make it home. Check out Dwellsy's comprehensive inventory of apartments, condos, and houses near you. What was once hard to find, is now easy.
• Rhumbix — Rhumbix is Field and Workforce Management built for Construction industry professionals. Consolidate field workflows for Time and materials.

Portfolio highlights

• Roofr — The complete sales toolbox for roofers. From roof measurement reports to project-winning proposals.
• Deepgram — Deepgram helps enterprises unlock the potential of their audio data with custom-trained speech recognition for accuracy and scale. Deepgram's deep learning speech recognition system searches for keywords in transcripts by sound and text within audio and video files, used for transcribing calls, meetings, and voicemails for searchable notes,providing businesses with a fast, high accuracy speech-to-text on an easy-to-use API.The company was founded in 2015 and is headquartered in San Francisco, California.
• TokerBud — TokerBud, a cannabis website, is known for its exceptional products. Their website is a showcase of diverse cannabis varieties, from traditional flower strains to potent concentrates and appetizing edibles, serving different customer requirements and tastes. The platform's user-friendly design and commitment to superior quality

Portfolio highlights

• nyfty.ai — We make little robot helpers to automate workflows, from Site Attendance & Manpower Logging, COVID-19 Prescreening & Emergency Messaging on Construction sites. Integrated to Procore (with more to come), our software bots do tasks on your behallf. It does the work you hate.
• Reactory — Game-changing maturation technology that transforms the spirit-aging process from decades to days without compromising on flavor or quality.
• Aussie Angels — A platform for investors to launch & lead syndicated investments into startups. Apply to join syndicates and invest on a deal-by-deal basis.

Portfolio highlights

• FLYR — Helping airlines and hospitality businesses around the globe improve revenue performance, reduce cost, and modernize their e-commerce experience.
• BuildZoom — BuildZoom is a marketplace, designed specifically for the construction industry. We have identified the best contractors and architects in the US and work with our clients to streamline the pre-construction process and ensure they are matched to the right professional who will see their vision through to completion.
• Experimental — Experimental is a game development studio producing blockchain-based games that are not only incredibly fun to play but also allow users to monetize their gaming experiences. The studio developed CryptoWars (https://cryptowars.jp), the first fully decentralized strategy game played by thousands of users around the globe.

Portfolio highlights

• LocoNav — LocoNav is a provider of an online fleet management software used to deliver a single platform to run and manage fleet operations with ease. Its software offers GPS and intelligent analytics that track vehicle's speed, direction, and smart alerts that enable vehicle owners, businesses, and transporters to improve security, operations andreduce costs.The company was founded in 2015 and is headquartered in San Francisco, California.
• MinuteBox — Centralize legal entity records with MinuteBox. Automate compliance tracking and governance processes. Improve corporate record-keeping accuracy.
• New Era ADR — Remove gamesmanship in litigation and save up to 90% in time & cost with fair, efficient, finite, predictable dispute resolution on a digital-native platform.

Portfolio highlights

• Cache — Holding on to individual stocks that make up a large percentage of your portfolio? Cache gives you access to the same advanced investing products used by the ultra-wealthy to manage concentrated wealth.
• Plenty — Plenty's closing to join Wealthsimple. Thank you for the opportunity to build for you.
• Chariot — Chariot is a DAF tool that nonprofits can add to their website to allow donors to give with their DAF in 3 clicks.

Portfolio highlights

• Tule — Tule provides you with Actual ET data to inform your irrigation decisions. This technology, developed and licensed from UC Davis, is the only commercially available technology for measuring actual evapotranspiration. One Tule sensor measures evapotranspiration over a 1 to 10 acre area, not just at one individual plant. The sensor remotely reportsdata back to the Tule dashboard, providing actionable information for your irrigation decisions on a daily basis. Weekly reports include a forecast of the atmospheric demand for the upcoming week to aid in planning your irrigation schedules.Tule features include:• 24/7 Evapotranspiration Monitoring: see how much water is used by your entire field and applied by your irrigation system every day, without visiting each block.• Field-level Water Stress Tracking: know if your plants are getting the right amount of water at the right time to achieve your production goals.• Compare Performance Across Fields: see how your irrigation decisions impact your plants and compare your fields to sites managed by other growers in your region.
• Xip — Creators use Xip to monetize their expertise and interact 1-on-1 with their followers. Deliver personalized help at scale, earn real money, and hear directly from your biggest fans.
• Hivemapper — Explore the Hivemapper Network's global coverage.

Portfolio highlights

• GoContractor — Construction Onboarding Software: GoContractor automates worker registration, safety training and more. Over 500,000 workers give a 97% satisfaction rate.

Portfolio highlights

• tbh — tbh is a developer of a mobile application designed to provide anonymous feedback to friends. The company's mobile application facilitates asking or answering questions, open text fields and invite abuse when combined with anonymity, enabling users to say things without repercussions and feel better about themselves from the positive feedbackon social networks.
• T2 — T2 is in early alpha. 280 character text, replies, and likes - that's it for now. Browse content now and sign up for the waitlist.
• Ghost Message — Record and turn your classes into automated notes, quizzes, flashcards together with classmates.

Portfolio highlights

• June.ai — Discover June, a digital communication hub that replaces your email experience. June creates a new world for your existing email that gives you more control, interactivity and efficiency.
• Panthalassa — We're harnessing renewable energy in the open ocean and delivering it around the world. Engineered in Portland, Oregon.
• Factory — Factory is bringing autonomy to software engineering.

Portfolio highlights

• Veyor — The leading live scheduling app for the built environment, helping dispersed teams and their suppliers plan, manage and track daily activity on an easy to use mobile and desktop platform.
• Zipline.io — Making compliance management simple for healthcare, aged care and skilled nursing facilities. Contact us today.
• Propeller Aero — Explore smart surveys for earthworks and enhance your project efficiency with unified mapping and innovative analytics tools.

Portfolio highlights

• Rinse — We personally pick up, professionally clean, and hand deliver your clothes to your door. Rinse gives you superior quality and personal service. Guaranteed.
• dot.LA — dot.LA is a digital newsroom covering L.A.'s startup and tech community. dot.LA’s mission is to celebrate and empower the Los Angeles startup and tech community, fueling innovation around the world.
• Vocate — Vocate is the online upgrade of the student career center. The key feature is a matching marketplace for student jobs and internships, supported by tools that guide customers along their path.

Portfolio highlights

• Pilgrim — Pioneering a biologically enhanced future for humanity.
• Stack Health — Stack Health is the operating system for personalized health plans to accelerate the transition to coverage being owned by individuals instead of employers. Stack helps our members visualize their healthcare as a ‘stack’ of products that all come together in a seamless way to create a customized and comprehensive approach to healthcare. Stackpartners with employers to create a contribution strategy that migrates from the group health world's cost and complexity toward a solution that enables freedom, transparency, and efficiency.
• Thor Dynamics — Headquartered in Orlando, Florida, with a European base in Finland, Thor Dynamics specializes in directed energy systems for defense against drones and drone swarms. The company’s innovative solutions are available worldwide to protect critical infrastructure and enhance national security. Laser Armor™ is a complete directed energy counter-dronesolution. Utilizing advanced radar and optical systems it can detect, track, and target hostile targets. High-power directed energy from Thor’s Laser Engines then eliminates the threat in seconds. Multiple safety systems ensure accurate target identification and minimal collateral damage.

Portfolio highlights

• Kibsi — Kibsi is an end-to-end, fully integrated environment designed for building computer vision applications. Our cloud native, low-code platform democratizes computer vision, allowing customers to focus on their business needs, not the complexity.
• Caylent — Caylent is an AWS cloud consulting and engineering company that helps organizations drive cloud evolution.
• Archera — Archera saves customers millions through no-cost cloud commitment and savings optimization and unique commitment insurance, financing, and financial services. Unlock commitment flexibility and take control of cloud purchasing.

Portfolio highlights

• BlueTape — With BlueTape you can pay and finance building supplies. Fast and easy. Pay on the go with credit card, ACH, or BlueTape credit.
• Paperstac — Paperstac is a platform where investors can come together in a safe and controlled environment to buy and sell mortgage notes. With how dynamic the real estate investing world has become we wanted to give real estate investors another source to locate deals and continue to grow their portfolios.
• Realm — Realm empowers homeowners to build or renovate with expert guidance, reliable contractors, and a customized plan for your project.

Portfolio highlights

• Skiff — Everything on Skiff is end-to-end encrypted. Your most sensitive data is private, decentralized, and truly owned by you.
• Swarm Aero — Swarm empowers small teams to mobilize thousands of uncrewed vehicles in communications-limited, contested environments.
• Keeper — Find the right person. Build something meaningful together.

Portfolio highlights

• Hermetiq — Migrate to Bazel, run your builds, and improve build performance with Hermetiq. Explore AI-powered build operations in the cloud or your environment.
• 8090 Solutions — Quality. Control. Consistency. The AI-native platform that puts documentation, collaboration, and oversight at the center of software development.
• Neurometric AI — Making Intelligence Free | https://t.co/ZxWxeMBJt2 | https://t.co/W8nlLqYwQi

Portfolio highlights

• Simply Homes — Sell your home fast for cash - As-is. No repairs. No updates. No showings. Pay zero fees.
• Field Complete — Field service management software built by contractors. Schedule, dispatch, invoice & get paid in one app. Start your 14-day free trial.
• Jumpstart — Jumpstart is a social e-commerce platform that engages in helping entrepreneurs to manage their ongoing compliance in real-time.

Portfolio highlights

• BloomCredit — Use Bloom to engage and understand your customers through credit data. Help your customers qualify for your loans, credit cards, and credit products. Create relationships with your customers through personalized financial advice and support.
• Levels — Improve metabolic health with CGM, comprehensive labs, and a personalized plan.
• Field Complete — Field service management software built by contractors. Schedule, dispatch, invoice & get paid in one app. Start your 14-day free trial.

Portfolio highlights

• SiPhox Health — Painless, 5-minute biomarker testing at home. Clear insights, trend tracking, and a personalized plan built around your results.
• BuildForever — We build products that feel personal, magical and deeply human
• Perplexity — Perplexity is a search engine platform that uses artificial intelligence to provide large language models and search engines. The company's platform enables the development of beneficial artificial general intelligence, as well as an open-source environment that is accessible to the public, allowing clients to develop skills and knowledge inartificial intelligence.

Portfolio highlights

• Staris — Staris is an AI-powered application security platform that continuously finds, proves, and explains exploitable vulnerabilities. Reduce false positives and validate real application risk with business context.
• Zero — Protect your devices and gain access to websites. Round-the-clock customer support. VPN for Windows, Android, macOS, iOS, and routers. Free trial period.
• Mirai — Mirai Labs builds uzu, a Rust LLM engine for iPhone, iPad and Mac, and 4-bit/8-bit Qwen, LFM and Muse-Glimmer models benchmarked vs MLX and llama.cpp.

Portfolio highlights

• Atmos — Personalized guidance through all decisions: land due diligence, floor plan design, site planning, and builder selection in the Charlotte and Raleigh metro areas.
• Project Omega — Project Omega is a Rhode Island-based nuclear startup that converts spent nuclear fuel into compact, long-lasting batteries for military uses like wearables, sensors, and drones.
• Poseidon Aerospace — Poseidon Aerospace is developing unmanned cargo aircraft for regional commercial air freight and contested defense logistics.

Portfolio highlights

• Helm.ai — Explore Helm.ai's AI software for high-end ADAS through Level 4 autonomous vehicles. Helm.ai offers a full suite of full-stack AI software, foundation models, and generative AI development and validation tools for production-bound projects.
• The Data Foundation — Story is AI-native infrastructure for the intellectual property economy.
• iLoF — iLoF - Intelligent Lab on Fiber is a patented photonics and Artificial Intelligence system identifies unique features of various gold-standard biomarkers, capturing their signature on a cloud-based library.

Portfolio highlights

• Switchboard — Switchboard's service design, coaching, and software offerings generate real results for higher ed teams and institutions.
• Funnel — Our revolutionary CRM property management software saves both time and money for agents and owners while making leasing more efficient.
• littleBits Electronics — LittleBits is an open source library of over 60 electronic modules that snap together with magnets allows users to view, download, and share designs and make their own Bits through the use of prototypes. Deluxe kit, Smart home kit, Arduino coding kit, Synth kit, hardware development kit, and workshop set are some of the electronics learning modulesprovided by littleBits.LittleBits was launched by Ayah Bdeir in 2011 and is operated from New York, United States.

Portfolio highlights

• Nada — Finance, Invest and Bank your real estate.
• DigiBuild — Automate your construction supply chain with AI.
• Upright — Meet Upright, the good for you go-to. Our first product is a category-defining high-protein, allergen-free Instant Oatmilk in three creamy, delicious flavors: original, vanilla, and chocolate. Each tasty cup of our oatmilk packs the same key nutrients as dairy, without the unwanted allergens or environmental impact.

Portfolio highlights

• Invalidate — IPR-tested prior art search. The ultimate patent invalidation tool.
• LLM Shield — The most powerful AI engine for intellectual property.
• Finch Legal — Finch Legal is a software development company that supports personal injury law firms. The company aims to provide practical and effective legal solutions, as suggested by its commitment to serving clients better and more efficiently.

Portfolio highlights

• Snapi Health — The most convenient way to monitor your baby's gut health
• Field Complete — Field service management software built by contractors. Schedule, dispatch, invoice & get paid in one app. Start your 14-day free trial.

Portfolio highlights

• Veyor — The leading live scheduling app for the built environment, helping dispersed teams and their suppliers plan, manage and track daily activity on an easy to use mobile and desktop platform.
• Adatree — Adatree helps organisations unleash the potential of Open Banking and the CDR through turnkey Data Recipient and Data Holder solutions.
• Zipline.io — Making compliance management simple for healthcare, aged care and skilled nursing facilities. Contact us today.

Portfolio highlights

• Cara — Cara AI helps insurance agencies, brokerages, and wholesalers automate sales and servicing workflows, reduce manual tasks, and focus on client relationships.
• Osmo Studio — Osmo is an AI-native video editor for product launch videos and motion graphics. Turn ideas, Figma files, and footage into polished, on-brand animations, built as editable code.
• Triangle Health — Triangle brings your medical records together, reads them with you in plain language and researches your options, with a physician-reviewed analysis.

Portfolio highlights

• Reyets: Social Justice Network — Reyets is the fastest growing social justice network providing civil rights tools, that allow people to know their rights, document and report misconduct, access alternatives to calling the police and connect with community protection networks. We empower the new Civil Rights Movement.
• Skycart — Skycart build delivery drones for shipping goods in 30min or less. Anywhere, anytime.
• Field Complete — Field service management software built by contractors. Schedule, dispatch, invoice & get paid in one app. Start your 14-day free trial.

Portfolio highlights

• Hark — We are building the most advanced personal intelligence in the world.
• CG Oncology — CG Oncology is a late-stage pharmaceutical company that is passionate about developing and delivering bladder-sparing immunotherapies.
• Scout AI — Scout AI is building the robotic foundation model for defense.

Portfolio highlights

• Blokable — Blokable is a Vertically Integrated Modular developer expanding prosperity and equity by building high-quality, low-cost, connected housing at scale.

Portfolio highlights

• Boxabl — An amazing 375 sq ft ADU delivered with a full size bathroom, kitchen, appliances and tall ceilings with big windows for under $50k.
• Poplar Homes — Poplar Homes brings national property management tools to over 8,000 homeowners in the US. With our tech and local teams, renting has never been easier.
• Octane11 — Octane11 is a B2B-focused analytics and collaboration platform that connects siloed data across Sales, Marketing, Product, Human Resources and Finance to drive real business impact. We believe data is the fuel that drives business - and Octane11 is the missing ingredient that makes your data work even harder. Octane11 was launched in 2019 inpartnership with Oracle Data Cloud, LiveRamp, MediaMath, Bombora and Intersection, and is already helping some of the largest B2B companies break down data silos and turn every digital signal into an actionable insight.

Portfolio highlights

• Warp — Warp is a payroll and compliance tool that makes it easy for founders to hire, onboard, and pay their employees.
• Wafer — Wafer is an AI optimization platform that automatically accelerates AI models by generating efficient custom GPU kernels.
• Odyssey — Odyssey is an AI lab pioneering general world models: causal, multimodal systems that learn to understand and simulate the world.

Portfolio highlights

• Apiary — Apiary provides the leading API-First platform designed specifically to help companies accelerate and control the design, development, and documentation of APIs.
• TruckPay — Job Board, E-Tickets, Dispatch & Fleet Management. Built for Trucking Companies, Aggregate Producers, Material Suppliers & Scrap Metal Processors.
• Prime Security — Shift security to the design stage and solve software vulnerabilities before development starts.