Lilli Tillman Smith is an Industry Analyst for Principia, a market research firm focused on building materials. Lilli tracks supply and demand of products in the roofing and insulation markets (both residential and commercial) and has frequent discussions with suppliers, distributors, thought leaders and industry associations to keep a finger on the pulse of the market and identify key market shifts and trends in roofing and insulation. Lilli is also a member of National Women in Roofing and serves on their DEI Committee.

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About Principia

Principia has been a trusted source in the building construction industry for 28 years, serving manufacturers, distributors and investors with comprehensive data, analytics and research-driven insights to inform key decisions, support growth and provide industry-leading construction market research consulting. Principia is a part of Dodge Construction Network, a solutions technology company providing an unmatched offering of data, analytics and industry-spanning relationships to generate the most powerful source of information, knowledge, insights and connections in the commercial construction industry. The company powers longstanding and trusted industry solutions—Dodge Data & Analytics, The Blue Book Network, Sweets, IMS and Principia—to connect decision makers across the entire commercial construction ecosystem. Together, these solutions provide clear and actionable opportunities for small teams, both locally and regionally, to large national enterprise firms. With over a century of industry experience, Dodge Construction Network ensures that construction professionals have the information they need to build successful, growing businesses.