Y Combinator Summer 2017 (S17) Companies

10by10 operates a recruiting marketplace that matches qualified candidates with hiring companies by pooling candidates across multiple recruitment agencies. It serves recruitment agencies and employers in the hiring and talent industry.

1 investor

A materials company focused on nanotechnology for renewable energy and clean technology applications, manufacturing various classes of materials to address problems in those fields.

12 investors

Aecore is a technology-enabled commercial contractor that uses vertical integration and automation for commercial construction project delivery. It combines in-house design, project management, and software engineering to guide clients from conceptual design through completion.

1 investor

Airthium develops high-temperature Stirling-engine-based heat pumps that replace gas-fired steam boilers for food and mining companies, producing more heat per unit of electricity at temperatures up to 1000°F. It plans to use the same proprietary engine for long-duration seasonal energy storage as an alternative to lithium-ion batteries and fossil-fired power plants.

3 investors

Nobell Foods develops cheese and other dairy products made from plant-derived dairy proteins, aiming to match the taste and price of conventional animal dairy. The company operates in the food technology and sustainable food sector.

7 investors

And Comfort is a direct-to-consumer fashion brand.

1 investor

AssemblyAI provides speech-to-text and speech understanding AI models delivered via API, enabling developers and companies to build and scale Voice AI applications. It offers audio transcription, summarization, and content moderation capabilities as an AI-as-a-service business.

5 investors

Audm is a mobile subscription app that converts long-form print journalism into audio narrated by professional voice actors, letting users listen to news articles. It focuses on turning written feature journalism into digital audio content.

3 investors

AutoHub operates a digital auction platform for automotive wholesale transactions, helping car dealerships appraise vehicle trade-ins. The service functions as an online marketplace for buying and selling vehicles between dealers.

1 investor

BillionToOne builds a DNA molecular counting technology that increases the resolution of cell-free DNA diagnostics, applied to prenatal screening and liquid biopsy for cancer. Its products serve clinical genetic testing in prenatal care and oncology.

22 investors

Bloom Institute of Technology is an online coding school offering computer science training that is free upfront, with students paying a portion of their income only after landing a job above a set salary threshold. It serves individuals seeking to enter high-paying technology careers.

14 investors

Bumpline operates an on-demand tailoring service that brings alterations to customers at their location, similar to ride-hailing platforms.

1 investor

bxblue operates an online marketplace for personal loans aimed at pensioners and government workers with guaranteed income in Brazil. It serves this consumer lending segment by moving the process online.

7 investors

Caelum Health develops digital therapeutics that treat chronic digestive diseases, including IBS, using behavioral and software-based treatment programs combining medical science and coaching. It offers personalized, data-driven treatment plans for patients with digestive health conditions.

1 investor

Cairns Health builds a voice-based conversational AI care companion for people with chronic health conditions and their caregivers, providing medication reminders, symptom checks, behavioral nudges, and companionship. It pairs this with a radar-equipped device that passively monitors heart rate, breathing rate, and sleep stages without a wearable to enable timely clinical intervention.

2 investors

CCG.ai develops software for data-driven precision oncology, using clinical and genomic data to identify biomarkers of treatment response and help oncologists choose cancer therapies. It serves clinicians and oncologists in the cancer treatment field.

5 investors

Candidately is an AI workspace for recruitment and staffing agencies that layers on top of Bullhorn and other ATS platforms to help recruiters find, present, and place candidates. Its tools support candidate rediscovery, external sourcing, resume building, client collaboration, and public talent directories.

3 investors

CarDash operates a managed marketplace for automotive services, picking up customers' cars from home or work, overseeing the repair or maintenance, and returning the vehicle. It offers upfront pricing and acts as the customer's advocate on cost.

2 investors

Carrot provides fertility benefits that companies of any size offer to employees, covering services such as egg freezing, infertility treatments including IVF, and LGBT+ conception. The product focuses on supporting employees through fertility-related care to reduce time, cost, and stress.

18 investors

Cashfree is an Indian payments company offering tools for businesses to collect and disburse money, including a payment gateway, bulk payout API banking, split payments for marketplaces, bank account verification, and virtual account collection. It serves over 50,000 Indian businesses and is a licensed payment aggregator in India.

5 investors

CocuSocial operates an online marketplace for local culinary experiences, including cooking, baking, and tasting classes hosted at restaurants and hotels. It connects consumers with hands-on food and drink activities.

1 investor

Commissary Club operates a digital platform and community for people with criminal records, providing access to employment, housing, and legal resources alongside social connections, with AI agents that handle applications and referrals on behalf of members.

1 investor

Covetly operates an online marketplace for collectors and hobbyists to browse, buy, sell, and trade collectibles such as vinyl toys, comics, and Funko Pop figures.

1 investor

D-ID builds AI and deep-learning technology for generating realistic AI personas, animating still photos, and producing videos through a platform and APIs aimed at creators and developers. It originally created a facial image de-identification solution to protect images and videos from facial recognition software.

10 investors