Venture-Backed Startups

Calumix is a nanotechnology company that produces advanced carbon-coated aluminum current collectors for lithium-ion batteries, offered as a drop-in solution to improve rate performance and calendar life while reducing stack height. It serves North American battery cell makers and also applies its coating materials platform to other uses such as free chlorine sensing.

1 investor

Calvary Industries formulates and produces blended process chemicals including industrial cleaners, conversion coatings, metalworking fluids, and waste treatment chemistries, and also blends, packages, and processes customer-owned products to specification. It serves industrial end users, shipping in volumes from one-gallon containers to bulk tank trucks, with manufacturing across North America.

1 investor

Calven is a workplace experience platform for managing hybrid and flexible work, offering tools such as workspace allocation and booking for organizations. It serves employers and their teams worldwide, operating in the future-of-work and HR technology space.

1 investor

1 investor

Calvin Risk offers an AI governance and testing platform that gives enterprises an inventory of their AI systems, automated testing, digitized risk questionnaires, and compliance tools including support for the EU AI Act. It serves organizations in financial services, transportation, and telecommunications that need to quantify and manage AI-related risks.

3 investors

0 investors

0 investors

0 investors

Calvis provides an on-demand physical security platform that uses AI to match clients with vetted guards from a multi-agency network, coach guards in real time via an earpiece, track shifts with GPS and geofencing, and auto-generate incident reports. It serves enterprise clients that need on-site security guards, combining a guard network with an AI intelligence layer.

1 investor

CalWave develops wave energy converter technology that generates power from ocean waves while withstanding storms and extreme conditions. The company designs and tests these systems as a clean energy source with a global market focus.

2 investors

Maker of premium candles with a mission to combat human trafficking.

1 investor

Calycia Bioscience is a biotechnology company developing engineered macrophage cell therapies delivered locally into the brain to target aggressive solid tumors of the central nervous system. Its pipeline focuses on glioblastoma and melanoma brain metastasis within CNS oncology.

1 investor

California Youth Connection (CYC) is a youth-led nonprofit that mobilizes young people aged 14-24 with lived experience in the foster care and juvenile justice systems, along with adult partners, to advocate for legislative and policy change. It provides its members a platform to engage decision makers in statewide policy reform across California's youth-serving systems.

1 investor

Calypso Continuing Education provides accredited, asynchronous online continuing education courses in appraisal, real estate, and mortgage loan origination for appraisers, real estate agents, brokers, and mortgage loan originators across the US. The platform delivers CE requirements through interactive video, graphics, and simulators with instant feedback on quiz and exam questions.

1 investor

0 investors

Chronosphere is an observability platform for microservices and containers, offering an end-to-end observability solution and a telemetry pipeline (from the creators of Fluent Bit and Calyptia) to collect, transform, and route telemetry data while controlling cost and complexity. It serves cloud-native and DevOps engineering teams looking to detect and remediate issues and reduce observability spend.

3 investors

0 investors

Calysta produces protein ingredients through a patented fermentation platform that does not use arable land, plants, or animal products, offering products such as FeedKind and Positive Protein for animal feed and food. The company operates in cellular agriculture and food technology, with a FeedKind production plant in China run through its Calysseo partnership.

6 investors

Calyx Global provides independent, science-based ratings and analysis of carbon credits across 30+ project types, along with pre-verification project risk assessments and advisory services. It serves carbon market participants such as buyers and investors evaluating carbon credit quality and integrity, operating on a subscriber-funded model.

3 investors

Calyxha is a biotech company developing novel small molecule anti-inflammatory drugs for multiple inflammatory diseases. Its lead product, CAL-4, is in preclinical development as an alternative to corticosteroids for asthma.

1 investor

Calyxia designs, manufactures, and sells biodegradable, microplastic-free microcapsules and microspheres that improve product performance and sustainability for industrial manufacturers. Its products serve clients in agriculture, home and personal care, and advanced materials.

2 investors

Calyxo develops medical devices for kidney stone removal, specifically a minimally invasive CVAC (Cavitation-Enabled Ablation and Clearance) system that has been FDA-cleared. The company serves urologists and patients seeking routine, single-treatment kidney stone management.

1 investor

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0 investors