Construction Tech Startups

Site 20/20 provides customizable smart traffic management technologies for work zones, including controllable devices and software platforms that allow traffic managers to adjust safety perimeters and visibility based on project requirements.

2 investors

SiteMax is a mobile-first platform for construction, industrial, and resource-industry field teams, combining QR-code jobsite access control with project management tools such as drawings, RFIs, punch lists, timekeeping, safety, photos, and document storage. It connects the jobsite and back office in one system and offers a native MCP integration with Claude, serving teams across North America.

2 investors

Sizeless provides an AI-powered mobile workflow for capturing construction trenches and utility connections with 3D precision. The software converts smartphone video scans into CAD-ready plans and GIS models for deep construction, district heating, and utility connection projects.

2 investors

SketchPro is an AI assistant that integrates directly into Autodesk Revit to automate construction documentation tasks for architects and engineering firms. The tool generates dimensioned floor plans, tagged elements, and standardized sheets while enforcing firm-specific standards and reducing repetitive work by approximately 10x.

2 investors

Skipp is an AI-powered platform for home remodeling professionals that uses generative AI and generative design to redesign spaces with real products based on actual measurements and site conditions. Its tools include a 3D scanning app, RenoVision, and design services that produce 3D renderings and SKU-level price quotes to help contractors sell remodeling jobs, currently focused on kitchens.

2 investors

SkyeBrowse is a 3D modeling platform using patented videogrammetry technology to convert video from drones, phones, and other devices into accurate 3D models in minutes. The platform serves public safety agencies, construction professionals, surveyors, and forensics teams who need rapid reality capture and spatial analysis.

2 investors

Sogetrel is a French integrator of connected infrastructure and digital services, working on smart-city and connected-territory projects such as urban hypervision and supervision systems. It serves municipalities and public/private organizations building intelligent city networks.

2 investors

Soil Safe operates soil recycling facilities across three states, processing petroleum-impacted soil and similar materials into engineered products for use in construction and development projects. The company has recycled over 30 million tons since its founding in 1989, diverting materials from landfills.

2 investors

Solid Carbon develops carbon-based building materials for use in concrete and construction to reduce embodied carbon in infrastructure. The company operates at the intersection of climate strategy, construction constraints, and materials science.

2 investors

Solivus develops lightweight solar energy solutions for commercial properties and residential homes that cannot support conventional systems. The company provides design, installation, maintenance, and financing for rooftop solar, carports, ground-mounts, and the Solivus Arc, a ground-mount solar sculpture.

2 investors

Solteo provides software for solar installation companies and sales professionals to perform feasibility and profitability studies of solar projects, generating technical reports that support sales conversations and improve conversion rates.

2 investors

SouthernCarlson supplies construction fasteners, tools, packaging, and related products along with services such as plant installs, takeoffs, and deliveries. It serves commercial, multi-family, and residential construction, manufacturing, distribution, hardware stores, lumberyards, and wholesale building materials customers.

2 investors

Spacely.ai provides an AI interior design generator with a shared, real-time canvas where teams can create, refine, and review interior visuals and renders together. It serves interior designers, architects, and real estate teams, with a SketchUp extension available.

2 investors

Spacial is an AI-powered pre-construction platform that turns 2D building drawings into coordinated, code-aware construction documents, generating structural, mechanical, electrical, and plumbing plans within a single building model with automated code and clash checks. It serves builders, architects, structural engineers, and developers, and also offers licensed engineering, architectural design, and MEP services for residential projects.

2 investors

SPM Avto is a manufacturer of specialized transport vehicles equipped with crane-manipulator systems, serving customers across Russia through a network of dealers and service centers. The company also produces utility equipment and develops unmanned aerial vehicles.

2 investors

Springs Window Fashions manufactures and sells window coverings and treatments across residential consumer, dealer, commercial, and European business units. The company operates in the building products industry with manufacturing across the United States, Mexico, and Europe.

2 investors

SRL Traffic Systems Limited supplies the UK's largest fleet of portable and temporary traffic signals, including pedestrian signals, variable message signs, CCTV systems, and safety barriers for roadworks and traffic management. The company serves traffic management contractors, local authorities, and infrastructure operators across the United Kingdom.

2 investors

SRS Distribution operates a network of roofing supply stores that stock and distribute high-quality roofing materials from major manufacturers to customers in the construction industry.

2 investors

STAG designs and manufactures all-electric, battery-powered compact track loaders in the USA for construction, demolition, and equipment rental use. Its machines target indoor demolition, food processing, and tight jobsites, offering zero emissions and lower operating costs than internal-combustion equipment, and are sold through dealers.

2 investors

Starstone develops a biogenic, low-carbon cement and concrete replacement using natural biomineralization and cementation processes as an alternative to traditional cement production. It targets producers and builders across the construction value chain seeking to reduce carbon emissions and dependency on quarries and kilns.

2 investors

Stratus provides software solutions that digitize and optimize workflows for MEP (mechanical, electrical, plumbing) contractors across design, fabrication, and installation stages. The company serves mechanical, electrical, and plumbing contractors seeking to improve project efficiency and profitability through data-driven tools.

2 investors

Streckenheld operates an AI-driven platform that manages the full construction-material procurement chain — from cost calculation and tenders (RfQ) to ordering, delivery tracking, and invoice matching — flagging discrepancies between orders, confirmations, delivery notes, and invoices before payment. It serves the construction-material distribution ecosystem in Germany, including construction firms, material dealers, buying groups, DIY stores, and freight/3PL carriers, and integrates with existing ERP systems.

2 investors

Struction offers an AI platform for construction estimating and preconstruction that reads project drawings, specs, addenda, and BIM models to answer questions, perform takeoffs, generate scopes of work, and surface risks and clashes, with every output traced back to source contract documents. It serves estimators and bidding teams as an alternative to tools like Bluebeam.

2 investors

SubBase provides procurement management software for construction teams, connecting field, office, and vendors to handle material ordering, delivery tracking, and vendor communication. Its platform also offers historical price analytics, AI-assisted invoice reconciliation, and accounting system integrations.

2 investors