PlanHub is a cloud-based preconstruction platform that connects general contractors, subcontractors, and suppliers during the bidding phase of construction projects. Built by contractors in 2008 and launched as a digital marketplace in 2015, it combines a nationwide network of 500,000+ construction professionals with bid management, project discovery, takeoff and estimation, and AI-driven tools so the right people find the right projects and win more work.
Acelab is a New York-based AEC technology company building an AI-powered Material Hub for the architecture and construction industry. The platform helps architects, designers, and building owners research, compare, specify, and document building products from a database of more than 250,000 products across 10,000+ brands, with native Revit integration and tools that keep a single material selection synced across every project document. Founded in 2019 by Harvard and MIT architecture graduates, Acelab is used by over 20,000 firms, including more than half of the top 100 global architecture practices.
PermitFlow is a New York-based construction technology company building an AI platform that automates the permitting lifecycle - from jurisdiction research and application prep to submission, tracking, inspections, and license management. Founded in 2021 by Francis Thumpasery and Samuel Lam, the company says its software has powered more than $20 billion in construction value and cuts approval times roughly in half for builders like Lennar, Amazon, IKEA, and Toll Brothers. It raised a $54M Series B led by Accel in December 2025, bringing total funding to about $90.5M.
California Drywall Co. is one of the largest wall-and-ceiling specialty contractors in the United States, building interiors and exteriors across Northern California since 1946. From its San Jose base it delivers drywall, lath and plaster, metal framing, cold-formed steel engineering, fireproofing, acoustical ceilings, rainscreens and prefabricated wall panels for landmark projects including Apple Park, Levi's Stadium, SFO Terminal 2 and major hospitals. In August 2023 it became a 100% employee-owned company through an ESOP, putting equity in the hands of its roughly 700 team members.
Hathaway Dinwiddie is a 100% employee-owned general contractor headquartered in San Francisco that has spent more than a century building the landmarks California works, lives, and heals in - from the Salesforce Tower to the Lucas Museum of Narrative Art and more than 10 million square feet of life-science space on the Peninsula. Built on planning, adaptation, and proactive partnership, the firm pairs century-old craft with advanced BIM workflows, LEED-driven sustainability, and an industry-leading safety record.
Rudolph and Sletten is a California-based general contractor that has built much of Silicon Valley's physical fabric - from Apple Park and Lucasfilm's Skywalker Ranch to hospitals, research labs and university campuses. Founded in 1959 in a Los Altos garage, the firm pioneered guaranteed-maximum-price, fast-track delivery and grew into one of the West Coast's largest builders of technically complex healthcare, life-sciences and education projects. Now a subsidiary of Tutor Perini, it employs roughly 740 people and reports about $307 million in annual revenue.
Webcor is a San Francisco-based commercial general contractor and one of California's largest builders, known for self-performed concrete, finish carpentry and millwork, deep preconstruction and BIM expertise, and a portfolio of landmark projects from the California Academy of Sciences to the Salesforce Transit Center. Founded in 1971 and owned by Japan's Obayashi Corporation since 2007, Webcor pairs craft-trade self-performance with virtual-building technology to deliver complex, sustainable buildings across the state.
Matt Rossie is the President and CEO of Webcor, the San Francisco-based general contractor behind some of California's most complicated buildings. He climbed the company over 22 years from the client side of construction into the COO seat, then the corner office, on January 1, 2023.
Ro Bhatia is the CEO and Board Member of PlanHub, the leading preconstruction SaaS platform connecting over 32,000 general contractors, 350,000 subcontractors, and 30,000+ suppliers across the United States. A veteran SaaS executive with 18+ years spanning Google, eBay, Yahoo, and The Home Depot, Bhatia joined PlanHub in January 2022 and transformed it from a slow-growing lifestyle business into a fast-growing platform with 245% revenue growth over three years, culminating in PlanHub's acquisition by GrowthCurve Capital in September 2025.
Kanav Hasija is Co-Founder and CEO of MeltPlan, an AI-native preconstruction planning platform backed by Bessemer Venture Partners. A serial entrepreneur who co-built Innovaccer into a $3.2B healthcare data unicorn, he now applies the same data-platform playbook to construction — where fragmented planning and late-stage surprises cost billions annually. MeltPlan's tools (Melt Code, Melt Takeoff) bring AI-powered code compliance and quantity estimation to architects, contractors, and owners before the first shovel breaks ground.