Company directory
Y Combinator Winter 2018 batch: all 146 companies.
YC's public directory lists 146 companies in the Y Combinator Winter 2018 batch: 78 active, 30 acquired, 37 inactive and 1 public, by YC's own labels. The most common industries are B2B (55), Consumer (35) and Healthcare (28).
Companies in the YC Winter 2018 batch
146 companies in this view
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- Industry
- Consumer · Home and Personal
- Location, as listed
- San Francisco, CA, USA; Toronto, ON, CanadaTeam size 1
- Status, as YC lists it
- Inactive
- Industry
- Education
- Location, as listed
- San Francisco, CA, USATeam size 30
- Status, as YC lists it
- Active
- Industry
- Industrials · Climate
- Location, as listed
- Riga, LatviaTeam size 250
- Status, as YC lists it
- Active
- Industry
- Healthcare · Medical Devices
- Location, as listed
- Los Angeles, CA, USATeam size 6
- Status, as YC lists it
- Active
- Industry
- Healthcare · Healthcare Services
- Location, as listed
- MH, India; RemoteTeam size 8
- Status, as YC lists it
- Active
- Industry
- B2B · Security
- Location, as listed
- San Francisco, CA, USA; Palo Alto, CA, USATeam size 55
- Status, as YC lists it
- Active
- Industry
- Healthcare · Medical Devices
- Location, as listed
- San Francisco, CA, USATeam size 23
- Status, as YC lists it
- Active
- Industry
- Fintech · Payments
- Location, as listed
- Singapore, SingaporeTeam size 500
- Status, as YC lists it
- Active
- Industry
- B2B · Productivity
- Location, as listed
- New York City, NY, USATeam size 25
- Status, as YC lists it
- Active
- Industry
- B2B · Legal
- Location, as listed
- San Francisco, CA, USATeam size 180
- Status, as YC lists it
- Inactive
- Industry
- Healthcare · Drug Discovery and Delivery
- Location, as listed
- Waterloo, ON, CanadaTeam size 8
- Status, as YC lists it
- Active
- Industry
- Industrials · Agriculture
- Location, as listed
- Washington, DC, USATeam size 15
- Status, as YC lists it
- Active
- Industry
- Industrials · Agriculture
- Location, as listed
- New York City, NY, USA; Newark, CA, USATeam size 10
- Status, as YC lists it
- AcquiredYC top company
- Industry
- Fintech · Banking and Exchange
- Location, as listed
- San Diego, CA, USATeam size 2
- Status, as YC lists it
- Inactive
- Industry
- Government
- Location, as listed
- Boston, MA, USATeam size 12
- Status, as YC lists it
- Active
- Industry
- B2B
- Location, as listed
- Toronto, ON, Canada; RemoteTeam size 205
- Status, as YC lists it
- Active
- Industry
- Healthcare · Healthcare IT
- Location, as listed
- San Francisco, CA, USA; Mountain View, CA, USA; RemoteTeam size 15
- Status, as YC lists it
- Active
- Industry
- Consumer · Food and Beverage
- Location, as listed
- Sacramento, CA, USA; RemoteTeam size 2
- Status, as YC lists it
- Inactive
- Industry
- B2B · Finance and Accounting
- Location, as listed
- San Francisco, CA, USA; RemoteTeam size 280
- Status, as YC lists it
- Active
- Industry
- B2B · Marketing
- Location, as listed
- San Francisco, CA, USATeam size 10
- Status, as YC lists it
- Acquired
- Industry
- Healthcare · Healthcare IT
- Location, as listed
- Not listedTeam size 2
- Status, as YC lists it
- Inactive
- Industry
- B2B · Engineering, Product and Design
- Location, as listed
- New York City, NY, USA; New York, NY, USA; RemoteTeam size 10
- Status, as YC lists it
- Acquired
- Industry
- B2B · Legal
- Location, as listed
- San Francisco, CA, USA; RemoteTeam size 12
- Status, as YC lists it
- Active
- Industry
- Fintech
- Location, as listed
- San Francisco, CA, USATeam size 70
- Status, as YC lists it
- Active
- Industry
- Healthcare · Diagnostics
- Location, as listed
- San Francisco, CA, USA; Berkeley, CA, USATeam size 16
- Status, as YC lists it
- Inactive
- Industry
- Healthcare · Industrial Bio
- Location, as listed
- San Francisco, CA, USA; South San Francisco, CA, USATeam size 40
- Status, as YC lists it
- Active
- Industry
- Consumer · Content
- Location, as listed
- San Francisco, CA, USATeam size 2
- Status, as YC lists it
- Inactive
- Industry
- B2B · Analytics
- Location, as listed
- London, England, United KingdomTeam size 10
- Status, as YC lists it
- Acquired
- Industry
- Healthcare · Consumer Health and Wellness
- Location, as listed
- San Francisco, CA, USA; RemoteTeam size 3
- Status, as YC lists it
- Acquired
- Industry
- B2B · Engineering, Product and Design
- Location, as listed
- Carmel, IN, USA; Chicago, IL, USA; RemoteTeam size 10
- Status, as YC lists it
- Active
- Industry
- Education
- Location, as listed
- San Francisco, CA, USA; RemoteTeam size 14
- Status, as YC lists it
- Acquired
- Industry
- B2B · Engineering, Product and Design
- Location, as listed
- San Francisco, CA, USA; RemoteTeam size 2
- Status, as YC lists it
- Inactive
- Industry
- Fintech · Credit and Lending
- Location, as listed
- Singapore, SingaporeTeam size 88
- Status, as YC lists it
- Active
- Industry
- Consumer · Content
- Location, as listed
- San Francisco, CA, USA; RemoteTeam size 23
- Status, as YC lists it
- Active
- Industry
- Healthcare · Healthcare Services
- Location, as listed
- Dallas, TX, USA; RemoteTeam size 87
- Status, as YC lists it
- Acquired
- Industry
- Healthcare · Healthcare Services
- Location, as listed
- San Francisco, CA, USA; Palo Alto, CA, USA; RemoteTeam size 14
- Status, as YC lists it
- Active
- Industry
- Fintech · Payments
- Location, as listed
- Mexico City, CDMX, Mexico
- Status, as YC lists it
- Acquired
- Industry
- B2B · Finance and Accounting
- Location, as listed
- San Francisco, CA, USATeam size 80
- Status, as YC lists it
- Active
- Industry
- Consumer · Food and Beverage
- Location, as listed
- New York City, NY, USA; New York, NY, USATeam size 30
- Status, as YC lists it
- Active
- Industry
- Education
- Location, as listed
- Huntsville, AL, USATeam size 6
- Status, as YC lists it
- Acquired
- Industry
- B2B
- Location, as listed
- Las Vegas, NV, USATeam size 11
- Status, as YC lists it
- Active
- Industry
- Fintech · Asset Management
- Location, as listed
- Bengaluru, KA, IndiaTeam size 1,050
- Status, as YC lists it
- PublicYC top company
- Industry
- B2B · Engineering, Product and Design
- Location, as listed
- San Francisco, CA, USA; Remote
- Status, as YC lists it
- Inactive
- Industry
- B2B · Human Resources
- Location, as listed
- Noida, UP, IndiaTeam size 600
- Status, as YC lists it
- Active
- Industry
- Consumer · Travel, Leisure and Tourism
- Location, as listed
- New York City, NY, USA; San Francisco, CA, USATeam size 2
- Status, as YC lists it
- Inactive
- Industry
- B2B · Security
- Location, as listed
- Boston, MA, USA
- Status, as YC lists it
- Acquired
- Industry
- B2B · Engineering, Product and Design
- Location, as listed
- Washington, DC, USATeam size 2
- Status, as YC lists it
- Inactive
- Industry
- B2B
- Location, as listed
- Austin, TX, USA; Salt Lake City, UT, USATeam size 195
- Status, as YC lists it
- Active
- Industry
- B2B · Infrastructure
- Location, as listed
- San Francisco, CA, USA; RemoteTeam size 6
- Status, as YC lists it
- Acquired
- Industry
- B2B · Recruiting and Talent
- Location, as listed
- Seattle, WA, USATeam size 1
- Status, as YC lists it
- Active
- Industry
- Consumer · Food and Beverage
- Location, as listed
- Not listedTeam size 2
- Status, as YC lists it
- Inactive
- Industry
- B2B · Legal
- Location, as listed
- San Francisco, CA, USATeam size 15
- Status, as YC lists it
- Acquired
- Industry
- Consumer · Travel, Leisure and Tourism
- Location, as listed
- London, England, United KingdomTeam size 75
- Status, as YC lists it
- Active
- Industry
- Fintech · Consumer Finance
- Location, as listed
- England, United KingdomTeam size 2
- Status, as YC lists it
- Acquired
- Industry
- Consumer · Food and Beverage
- Location, as listed
- Los Angeles, CA, USATeam size 7
- Status, as YC lists it
- Active
- Industry
- Consumer · Apparel and Cosmetics
- Location, as listed
- Toronto, ON, CanadaTeam size 20
- Status, as YC lists it
- Active
- Industry
- Healthcare · Drug Discovery and Delivery
- Location, as listed
- Austin, TX, USATeam size 14
- Status, as YC lists it
- Active
- Industry
- Consumer · Gaming
- Location, as listed
- San Francisco, CA, USATeam size 10
- Status, as YC lists it
- Acquired
- Industry
- Healthcare · Healthcare IT
- Location, as listed
- Boston, MA, USATeam size 12
- Status, as YC lists it
- Acquired
- Industry
- B2B · Retail
- Location, as listed
- San Francisco, CA, USA; Palo Alto, CA, USA; RemoteTeam size 9
- Status, as YC lists it
- Active
- Industry
- Healthcare · Healthcare IT
- Location, as listed
- San Francisco, CA, USATeam size 115
- Status, as YC lists it
- Acquired
- Industry
- Consumer
- Location, as listed
- Singapore, Singapore; San Francisco, CA, USA; RemoteTeam size 10
- Status, as YC lists it
- Inactive
- Industry
- Real Estate and Construction · Housing and Real Estate
- Location, as listed
- San Francisco, CA, USA; Oakland, CA, USATeam size 200
- Status, as YC lists it
- Inactive
- Industry
- Healthcare · Therapeutics
- Location, as listed
- Not listedTeam size 1
- Status, as YC lists it
- Active
- Industry
- B2B · Engineering, Product and Design
- Location, as listed
- San Francisco, CA, USATeam size 1
- Status, as YC lists it
- Inactive
- Industry
- Healthcare · Healthcare Services
- Location, as listed
- Boston, MA, USA; San Francisco, CA, USA; RemoteTeam size 375
- Status, as YC lists it
- Active
- Industry
- Consumer · Content
- Location, as listed
- Paris, Île-de-France, FranceTeam size 20
- Status, as YC lists it
- Acquired
- Industry
- Real Estate and Construction · Housing and Real Estate
- Location, as listed
- Toronto, ON, CanadaTeam size 25
- Status, as YC lists it
- Acquired
- Industry
- Consumer · Home and Personal
- Location, as listed
- New York City, NY, USA; San Francisco, CA, USATeam size 4
- Status, as YC lists it
- Inactive
- Industry
- Healthcare · Therapeutics
- Location, as listed
- Portland, OR, USATeam size 9
- Status, as YC lists it
- Active
- Industry
- B2B · Engineering, Product and Design
- Location, as listed
- RemoteTeam size 2
- Status, as YC lists it
- Acquired
- Industry
- Fintech · Insurance
- Location, as listed
- San Francisco, CA, USATeam size 800
- Status, as YC lists it
- AcquiredYC top company
- Industry
- Education
- Location, as listed
- San Francisco, CA, USA; San Jose, CA, USA; RemoteTeam size 25
- Status, as YC lists it
- Active
- Industry
- Consumer · Food and Beverage
- Location, as listed
- San Francisco, CA, USA
- Status, as YC lists it
- Inactive
- Industry
- B2B · Supply Chain and Logistics
- Location, as listed
- New York City, NY, USATeam size 100
- Status, as YC lists it
- Active
- Industry
- B2B · Operations
- Location, as listed
- San Francisco, CA, USA; RemoteTeam size 5
- Status, as YC lists it
- Active
- Industry
- B2B · Sales
- Location, as listed
- San Francisco, CA, USATeam size 240
- Status, as YC lists it
- Active
- Industry
- Healthcare · Healthcare IT
- Location, as listed
- San Francisco, CA, USA; RemoteTeam size 2
- Status, as YC lists it
- Acquired
- Industry
- Consumer · Social
- Location, as listed
- San Francisco, CA, USA; RemoteTeam size 14
- Status, as YC lists it
- Inactive
- Industry
- Consumer · Content
- Location, as listed
- New York City, NY, USA; RemoteTeam size 75
- Status, as YC lists it
- Active
- Industry
- Industrials · Manufacturing and Robotics
- Location, as listed
- San Francisco, CA, USA; Noida, UP, IndiaTeam size 40
- Status, as YC lists it
- Active
- Industry
- Real Estate and Construction · Construction
- Location, as listed
- Kitchener, ON, CanadaTeam size 2
- Status, as YC lists it
- Inactive
- Industry
- B2B · Retail
- Location, as listed
- Not listedTeam size 3
- Status, as YC lists it
- Inactive
- Industry
- Industrials · Agriculture
- Location, as listed
- LaBelle, FL, USATeam size 20
- Status, as YC lists it
- Inactive
- Industry
- B2B · Engineering, Product and Design
- Location, as listed
- San Francisco, CA, USATeam size 5
- Status, as YC lists it
- Inactive
- Industry
- Healthcare · Healthcare Services
- Location, as listed
- New York City, NY, USATeam size 180
- Status, as YC lists it
- Active
- Industry
- Healthcare · Therapeutics
- Location, as listed
- San Diego, CA, USATeam size 6
- Status, as YC lists it
- Active
- Industry
- Consumer · Gaming
- Location, as listed
- New York City, NY, USA; Brooklyn, NY, USATeam size 13
- Status, as YC lists it
- Active
- Industry
- Consumer · Virtual and Augmented Reality
- Location, as listed
- London, England, United KingdomTeam size 3
- Status, as YC lists it
- Active
- Industry
- B2B · Productivity
- Location, as listed
- New York City, NY, USA; Cambridge, MA, USATeam size 5
- Status, as YC lists it
- Inactive
- Industry
- Consumer · Social
- Location, as listed
- San Francisco, CA, USA; RemoteTeam size 7
- Status, as YC lists it
- Active
- Industry
- Government
- Location, as listed
- San Francisco, CA, USATeam size 80
- Status, as YC lists it
- Active
- Industry
- Consumer
- Location, as listed
- San Francisco, CA, USA; RemoteTeam size 40
- Status, as YC lists it
- Active
- Industry
- Healthcare · Healthcare Services
- Location, as listed
- Maastricht, LI, NetherlandsTeam size 23
- Status, as YC lists it
- Active
- Industry
- B2B · Productivity
- Location, as listed
- San Francisco, CA, USATeam size 11
- Status, as YC lists it
- Acquired
- Industry
- B2B · Security
- Location, as listed
- San Francisco, CA, USA; RemoteTeam size 80
- Status, as YC lists it
- Active
- Industry
- B2B · Human Resources
- Location, as listed
- San Francisco, CA, USATeam size 70
- Status, as YC lists it
- Acquired
- Industry
- B2B · Engineering, Product and Design
- Location, as listed
- San Francisco, CA, USATeam size 65
- Status, as YC lists it
- Active
- Industry
- Healthcare · Therapeutics
- Location, as listed
- Boston, MA, USA; Cambridge, MA, USATeam size 29
- Status, as YC lists it
- Inactive
- Industry
- Consumer · Social
- Location, as listed
- San Francisco, CA, USA; Mountain View, CA, USATeam size 2
- Status, as YC lists it
- Inactive
- Industry
- B2B · Human Resources
- Location, as listed
- Mexico City, CDMX, MexicoTeam size 100
- Status, as YC lists it
- Active
- Industry
- Fintech · Insurance
- Location, as listed
- San Francisco, CA, USA; RemoteTeam size 130
- Status, as YC lists it
- Active
- Industry
- Consumer · Apparel and Cosmetics
- Location, as listed
- London, England, United Kingdom; RemoteTeam size 12
- Status, as YC lists it
- Inactive
- Industry
- Healthcare · Healthcare IT
- Location, as listed
- San Francisco, CA, USATeam size 5
- Status, as YC lists it
- Acquired
- Industry
- B2B · Recruiting and Talent
- Location, as listed
- Toronto, ON, Canada; RemoteTeam size 4
- Status, as YC lists it
- Acquired
- Industry
- B2B · Engineering, Product and Design
- Location, as listed
- San Francisco, CA, USA; Palo Alto, CA, USA; RemoteTeam size 90
- Status, as YC lists it
- Active
- Industry
- Industrials · Manufacturing and Robotics
- Location, as listed
- San Francisco, CA, USATeam size 8
- Status, as YC lists it
- Inactive
- Industry
- B2B · Finance and Accounting
- Location, as listed
- Bogotá, Bogota, Colombia; RemoteTeam size 350
- Status, as YC lists it
- Active
- Industry
- Healthcare · Drug Discovery and Delivery
- Location, as listed
- London, England, United KingdomTeam size 27
- Status, as YC lists it
- Active
- Industry
- Consumer · Virtual and Augmented Reality
- Location, as listed
- San Francisco, CA, USA; RemoteTeam size 20
- Status, as YC lists it
- Inactive
- Industry
- Consumer · Transportation Services
- Location, as listed
- San Francisco, CA, USATeam size 2
- Status, as YC lists it
- Inactive
- Industry
- B2B · Productivity
- Location, as listed
- Berlin, Berlin, Germany; RemoteTeam size 40
- Status, as YC lists it
- Active
- Industry
- Consumer · Food and Beverage
- Location, as listed
- San Francisco, CA, USATeam size 38
- Status, as YC lists it
- Active
- Industry
- B2B · Retail
- Location, as listed
- Salt Lake City, UT, USA; San Diego, CA, USA; RemoteTeam size 15
- Status, as YC lists it
- Active
- Industry
- Consumer · Gaming
- Location, as listed
- San Francisco, CA, USATeam size 30
- Status, as YC lists it
- Active
- Industry
- B2B · Security
- Location, as listed
- San Francisco, CA, USATeam size 120
- Status, as YC lists it
- AcquiredYC top company
- Industry
- Consumer · Social
- Location, as listed
- San Francisco, CA, USA; RemoteTeam size 10
- Status, as YC lists it
- Acquired
- Industry
- Industrials · Manufacturing and Robotics
- Location, as listed
- Toronto, ON, Canada; Montreal, QC, CanadaTeam size 150
- Status, as YC lists it
- Active
- Industry
- B2B · Productivity
- Location, as listed
- Paris, Île-de-France, France; RemoteTeam size 9
- Status, as YC lists it
- Inactive
- Industry
- B2B · Engineering, Product and Design
- Location, as listed
- London, England, United KingdomTeam size 3
- Status, as YC lists it
- Inactive
- Industry
- B2B · Marketing
- Location, as listed
- San Francisco, CA, USATeam size 90
- Status, as YC lists it
- Active
- Industry
- Consumer
- Location, as listed
- Surabaya, East Java, Indonesia; Makassar, South Sulawesi, IndonesiaTeam size 1,037
- Status, as YC lists it
- Active
- Industry
- Consumer · Virtual and Augmented Reality
- Location, as listed
- San Francisco, CA, USATeam size 2
- Status, as YC lists it
- Active
- Industry
- B2B · Marketing
- Location, as listed
- New York City, NY, USA; New York, NY, USATeam size 30
- Status, as YC lists it
- Active
- Industry
- Consumer · Social
- Location, as listed
- Boston, MA, USA; Cambridge, MA, USATeam size 5
- Status, as YC lists it
- Acquired
- Industry
- Healthcare
- Location, as listed
- San Francisco, CA, USA; RemoteTeam size 20
- Status, as YC lists it
- Active
- Industry
- B2B · Human Resources
- Location, as listed
- San Francisco, CA, USA; Oakland, CA, USATeam size 6
- Status, as YC lists it
- Active
- Industry
- Fintech · Consumer Finance
- Location, as listed
- Toronto, ON, Canada; RemoteTeam size 25
- Status, as YC lists it
- Active
- Industry
- Consumer · Content
- Location, as listed
- San Francisco, CA, USATeam size 6
- Status, as YC lists it
- Inactive
- Industry
- B2B · Infrastructure
- Location, as listed
- San Francisco, CA, USA; RemoteTeam size 5
- Status, as YC lists it
- Inactive
- Industry
- B2B · Recruiting and Talent
- Location, as listed
- San Francisco, CA, USATeam size 130
- Status, as YC lists it
- Inactive
- Industry
- Healthcare · Therapeutics
- Location, as listed
- San Francisco, CA, USATeam size 2
- Status, as YC lists it
- Active
- Industry
- Fintech · Banking and Exchange
- Location, as listed
- San Francisco, CA, USA; RemoteTeam size 100
- Status, as YC lists it
- Active
- Industry
- Consumer · Home and Personal
- Location, as listed
- Antioquia, ColombiaTeam size 20
- Status, as YC lists it
- Active
- Industry
- Consumer · Content
- Location, as listed
- New York City, NY, USA; New York, NY, USA; RemoteTeam size 25
- Status, as YC lists it
- Active
- Industry
- B2B · Security
- Location, as listed
- San Francisco, CA, USATeam size 700
- Status, as YC lists it
- Active
- Industry
- Industrials · Manufacturing and Robotics
- Location, as listed
- Portland, OR, USA; RemoteTeam size 6
- Status, as YC lists it
- Inactive
- Industry
- Healthcare · Medical Devices
- Location, as listed
- Kitchener, ON, CanadaTeam size 7
- Status, as YC lists it
- Active
- Industry
- B2B · Engineering, Product and Design
- Location, as listed
- Tallinn, Harju County, Estonia; New York, NY, USA; London, England, United Kingdom; Barcelona, CT, SpainTeam size 42
- Status, as YC lists it
- Active
- Industry
- B2B · Supply Chain and Logistics
- Location, as listed
- San Francisco, CA, USATeam size 2
- Status, as YC lists it
- Inactive
- Industry
- B2B · Engineering, Product and Design
- Location, as listed
- San Francisco, CA, USA; RemoteTeam size 2
- Status, as YC lists it
- Inactive
- Industry
- Consumer · Gaming
- Location, as listed
- San Francisco, CA, USATeam size 80
- Status, as YC lists it
- Active
- Industry
- B2B · Analytics
- Location, as listed
- Seattle, WA, USA
- Status, as YC lists it
- Active
- Industry
- B2B · Recruiting and Talent
- Location, as listed
- San Francisco, CA, USA; Mountain View, CA, USATeam size 34
- Status, as YC lists it
- Acquired
- Industry
- Healthcare · Consumer Health and Wellness
- Location, as listed
- San Francisco, CA, USATeam size 22
- Status, as YC lists it
- Active
- Industry
- B2B · Marketing
- Location, as listed
- San Francisco, CA, USATeam size 35
- Status, as YC lists it
- Acquired
How to use this list
- Filter by industry, listed location or status, or search for a company, a city or one of YC's tags.
- Each name opens the company's YC profile. The website link goes to the company's own site; we show it only for companies YC lists as active or public, because the domains of closed and acquired companies often lapse or change hands.
- Status is YC's label, not our assessment. Active does not mean funded, growing or looking for suppliers.
- Keep a list as you go. Add to my research saves a company in this browser, and Download my list turns your picks into a spreadsheet.
About the Winter 2018 batch
The directory lists 146 Winter 2018 companies, most often first listed in San Francisco (70), New York City (13) and London (6). YC flags 4 of them as top companies.
About this data
Each record comes from YC's public startup directory, through the open-source yc-oss mirror of it, pulled on September 13, 2026. We show YC's own industry, location and status labels and none of YC's company descriptions. The directory lists launched companies YC shows publicly, so a company that has left it will not appear here.
If a record is wrong, use Suggest a correction on its row and include a source. We check corrections against YC's directory and the company's own site.
Sources
Checked September 13, 2026. YC updates its directory, so counts and labels change. Mining Wells is not affiliated with Y Combinator.
- Y Combinator: Startup directory, Winter 2018 batch: the companies, their status, industry and listed locations
- yc-oss: open-source mirror of YC's directory (pulled September 13, 2026): the snapshot these records come from
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