Venture-Backed Startups
127,717 companies with verified investor relationships.
1 investor
Calm is a mental health app offering guided meditations, sleep stories, soundscapes, and stress-relief tools designed to help users manage anxiety, improve sleep, and build healthy habits for overall wellness.
22 investors
Calm Waters AI provides autonomous evaluation and management (E/M) medical coding software that ingests medical records and assigns compliant E/M levels based on CMS guidelines, along with a complementary chart audit and physician training service called ChartPal. It serves physician groups, health systems, and hospitals to reduce coding time, improve chart accuracy, and lower audit and denial risk.
0 investors
CalMatters is a nonprofit, nonpartisan newsroom producing investigative and explanatory journalism focused on California issues such as politics, health, the economy, justice, education, and the environment. It also builds tools like Digital Democracy to track legislative activity, and runs a College Journalism Network with student reporters.
1 investor
Calmura Natural Walls makes a patented biocomposite wall system built from waste wood, offering monolithic walls designed to resist fire, mould, pests and earthquakes while sequestering carbon and reducing energy use. It targets homeowners focused on environmental and family health in the sustainable building materials sector.
1 investor
CalmWave integrates hospital data — alarms, vital signs, medications, and EHR records — into a unified real-time platform that uses data science and AI to deliver operational insights and reduce non-actionable alarms. The product is aimed at hospitals and care teams to improve patient safety, reduce alarm fatigue, and streamline clinical workflows.
8 investors
Calnetix develops high-speed electric motors, motor drives, and motion control systems designed to improve system efficiency through techniques such as sensorless control and space vector modulation. It serves industrial applications requiring electric motor and position control solutions.
0 investors
0 investors
Calocurb makes a prescription-free, plant-based appetite-suppressing capsule containing Amarasate, a New Zealand hop extract that activates the body's natural satiety hormones (GLP-1, CCK, PYY) to reduce hunger and support weight management. Sold direct to consumers, it is positioned as a natural supplement alternative or complement to injectable GLP-1 weight loss medications.
1 investor
Calogy Solutions develops thermal management technology and modular battery systems for e-mobility, energy storage, and power electronics applications. It offers products such as the L.Pack battery system and Uni.TT thermal plate, along with engineering services including thermal system design, cell characterization, and battery wire bonding.
2 investors
Life Log Technology develops "Calomeal" (カロミル), a health-management app that uses AI and machine learning to recognize and quantify the nutritional content of meals for diet and nutrition tracking. The company collects dietary data to support disease prevention and healthy-lifespan extension, and conducts machine learning research and development in Japan.
1 investor
Calorify measures energy expenditure using the doubly labeled water method, offering what it describes as a highly accurate metabolic measurement. It provides enterprise solutions built around this metabolic vital sign technology.
1 investor
Calosense provides a comprehensive weight loss platform offering clinical guidance and remote patient monitoring for GLP-1 therapy management.
1 investor
1 investor
0 investors
0 investors
Cal-Sierra Pipe is a value-added distributor of steel pipe and related products for water infrastructure applications, serving the well drilling, agriculture, irrigation, construction, and fabrication industries. It offers services such as less-than-truckload delivery, cement lining, epoxy coating, in-house cutting, welding, and roll grooving across California.
1 investor
0 investors
Caltana builds an AI platform for commercial real estate service providers to automate RFP (request for proposal) responses and pricing processes. The platform helps facility management suppliers respond faster to RFP documents, reduce errors, and improve bid competitiveness in the commercial real estate sector.
2 investors
CalTa develops digital twin technology, including its TRANCITY platform and related tools, for managing and inspecting social infrastructure such as railways, roads, ports, water systems, and plants. Founded by engineers from the railway industry, it uses 3D data to help field workers inspect and make decisions about infrastructure maintenance in Japan.
2 investors
Caltec designs patented surface jet pump and compact separation technologies used in the oil and gas industry to boost production and reduce emissions. Its passive systems have no moving parts and can be retrofitted to existing facilities to improve efficiency.
1 investor
Caltex Music, home to Caltex Records, is a Persian music company operating across recorded music, music publishing, streaming, television, and artist services. Founded in Los Angeles in 1980, it works with established and emerging Persian artists to distribute their music to global audiences.
0 investors
0 investors
Calucem is a specialty cement producer making Calcium Aluminate Cements (CACs) used in building chemistry, refractory concretes, pipes and aggregates, and custom applications. It operates production sites in Croatia and Spain and exports to more than 60 countries.
1 investor

