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Walnut Creek-based SewerAI provides AI-powered sewer inspection platforms for utilities, municipalities and engineering firms.
Based in California, US, SewerAI Corporation was founded in 2019 by co-founders Matt Rosenthal (CEO) and Billy Gilmartin (CRO). It provides AI-based inspection platforms with sewer condition assessments for engineering firms and public works departments. Its AutoCode tool automates defect identification in CCTV footage, and its Pioneer product is a sewer management tool. In June 2026 the company raised an undisclosed amount of Series B funding led by JMI Equity, with participation from Bentley iTwin Ventures, EPIC Ventures and Innovius Capital.
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