PureTerra Ventures

HEMAV simplifies agricultural decision-making through its AI digital platform, LAYERS®. It offers customized ag-AI models per user and crop, enhancing ROI by monitoring, controlling, and predicting key agricultural variables. The platform consolidates satellite and drone imagery, soil data, and meteorological information to provide precise insights for efficient process automation.

VAPAR is a developer of engineering software focused on pipe asset management. The company offers a cloud-based platform that automates the condition assessment of water pipes by analyzing closed-circuit television footage. By integrating artificial intelligence and geographic information systems, VAPAR's software streamlines the inspection process, enhances infrastructure mapping, and facilitates quicker repair and maintenance workflows. This automation reduces the reliance on repetitive manual tasks, allowing clients, which include councils, utilities, and contractors, to save time and manage their resources more effectively.

Diamidex SAS, established in 2014 and based in Marseille, France, specializes in the development and production of rapid detection tests for legionella, a type of bacteria that can cause severe lung infections. The company offers turnkey test solutions, designed for both laboratory and field use, which provide semi-quantitative counts of microorganisms in water samples and industrial goods. Diamidex's products aim to enhance the accuracy and speed of microbial contamination detection, facilitating more efficient screening and data collection in research and testing environments.

Transcend specializes in software development for automating critical infrastructure design. Its platform generates engineering documentation, enabling businesses to streamline operations, optimize outcomes, and evaluate innovative technologies.

Swan Systems is a software company that specializes in providing a cloud-based platform for precision irrigation and nutrient management in agriculture. The platform integrates data from various sources to create tailored irrigation and nutrient plans aimed at optimizing crop yields, minimizing waste, and reducing costs. Swan Systems offers real-time monitoring and analytics, empowering growers to make informed decisions regarding their irrigation and fertilization practices. By delivering a sophisticated yet user-friendly management tool, Swan Systems supports large-scale irrigators in effectively scheduling water and nutrient applications across a variety of agricultural operations, including field crops, horticultural crops, and turf. The company's overarching goal is to enhance farmers’ profitability while promoting sustainable agricultural practices.

Founded in 2016, Membrion specializes in manufacturing and commercializing advanced membrane filtration technologies. Its products are designed to filter molecules under diverse conditions, serving applications such as flow batteries, water purification, fuel cells, and pharmaceuticals.

Ellona develops environmental intelligence solutions using sensors that analyze and monitor air quality and nuisances in outdoor and indoor spaces. Its devices help decision-makers improve their environments by providing direct readings of gas concentrations and enabling source identification.

Swan Systems is a software company that specializes in providing a cloud-based platform for precision irrigation and nutrient management in agriculture. The platform integrates data from various sources to create tailored irrigation and nutrient plans aimed at optimizing crop yields, minimizing waste, and reducing costs. Swan Systems offers real-time monitoring and analytics, empowering growers to make informed decisions regarding their irrigation and fertilization practices. By delivering a sophisticated yet user-friendly management tool, Swan Systems supports large-scale irrigators in effectively scheduling water and nutrient applications across a variety of agricultural operations, including field crops, horticultural crops, and turf. The company's overarching goal is to enhance farmers’ profitability while promoting sustainable agricultural practices.

Siga develops a monitoring platform designed to enhance the reliability, safety, and cybersecurity of industrial assets. This platform employs electrical signal-based predictive analysis and artificial intelligence to detect anomalies in real-time, providing operators with precise information on irregular events. By focusing on critical assets, Siga's system enables businesses to effectively protect themselves against technical malfunctions and cyber-attacks. Importantly, the platform operates independently of the existing industrial control systems, ensuring that it cannot be hacked or manipulated from the operational network. This capability allows for seamless integration into maintenance and operational processes, ultimately contributing to improved overall asset performance.

Transcend specializes in software development for automating critical infrastructure design. Its platform generates engineering documentation, enabling businesses to streamline operations, optimize outcomes, and evaluate innovative technologies.

Cerahelix designs and manufactures ceramic membrane filters for water purification, resource recovery, and related filtration applications. It offers ceramic microfiltration membranes and housings, including single-channel elements for lab-scale studies and multi-channel elements for commercial-scale projects, as well as filter element housings and laboratory test systems that are sold or leased. Its bio-derived membranes utilize a patented DNA-template technology to form sub-nanometer pores in ceramic material, enabling molecular-level separation of salts, metal ions, and other impurities. The company serves industries such as food and beverage, mining, produced water, fine chemicals, bio-based products, pharmaceuticals, renewables, and waste-to-energy. Founded in 2011, Cerahelix is based in Orono, Maine.