| 2gis | Maps | Monitoring | — | — | Talk in Russian, July 2019 |
| Adapty | Subscription Analytics | Main product | — | — | Tweet, November 2021 |
| Admiral | Martech | Engagement Management | — | — | Webinar Slides, June 2020 |
| AdScribe | Ads | TV Analytics | — | — | A quote from CTO |
| Ahrefs | SEO | Analytics | — | — | Job listing |
| aiven | Cloud data platform | Managed Service | - | - | Blog post |
| Alibaba Cloud | Cloud | Managed Service | — | — | Official Website |
| Alibaba Cloud | Cloud | E-MapReduce | — | — | Official Website |
| Aloha Browser | Mobile App | Browser backend | — | — | Slides in Russian, May 2019 |
| Altinity | Cloud, SaaS | Main product | — | — | Official Website |
| Amadeus | Travel | Analytics | — | — | Press Release, April 2018 |
| ApiRoad | API marketplace | Analytics | — | — | Blog post, November 2018, March 2020 |
| Appsflyer | Mobile analytics | Main product | — | — | Talk in Russian, July 2019 |
| ArenaData | Data Platform | Main product | — | — | Slides in Russian, December 2019 |
| Argedor | ClickHouse support | — | — | — | Official website |
| Avito | Classifieds | Monitoring | — | — | Meetup, April 2020 |
| Badoo | Dating | Timeseries | — | 1.6 mln events/sec (2018) | Slides in Russian, December 2019 |
| Beeline | Telecom | Data Platform | — | — | Blog post, July 2021 |
| Benocs | Network Telemetry and Analytics | Main Product | — | — | Slides in English, October 2017 |
| Better Stack | Cloud, SaaS | Log Management | - | - | Official Website |
| BIGO | Video | Computing Platform | — | — | Blog Article, August 2020 |
| BiliBili | Video sharing | — | — | — | Blog post, June 2021 |
| Bloomberg | Finance, Media | Monitoring | — | — | Job opening, September 2021, slides, May 2018 |
| Bloxy | Blockchain | Analytics | — | — | Slides in Russian, August 2018 |
| Bytedance | Social platforms | — | — | — | The ClickHouse Meetup East, October 2020 |
| CardsMobile | Finance | Analytics | — | — | VC.ru |
| CARTO | Business Intelligence | Geo analytics | — | — | Geospatial processing with ClickHouse |
| CERN | Research | Experiment | — | — | Press release, April 2012 |
| Checkly | Software Development | Analytics | — | — | Tweet, October 2021 |
| ChelPipe Group | Analytics | — | — | — | Blog post, June 2021 |
| Cisco | Networking | Traffic analysis | — | — | Lightning talk, October 2019 |
| Citadel Securities | Finance | — | — | — | Contribution, March 2019 |
| Citymobil | Taxi | Analytics | — | — | Blog Post in Russian, March 2020 |
| ClickVisual | Software | Logging Platform | — | — | Blog Post, May 2022 |
| Cloudflare | CDN | Traffic analysis | 36 servers | — | Blog post, May 2017, Blog post, March 2018 |
| Comcast | Media | CDN Traffic Analysis | — | — | ApacheCon 2019 Talk |
| Contentsquare | Web analytics | Main product | — | — | Blog post in French, November 2018 |
| Corunet | Analytics | Main product | — | — | Slides in English, April 2019 |
| CraiditX 氪信 | Finance AI | Analysis | — | — | Slides in English, November 2019 |
| Crazypanda | Games | | — | — | Live session on ClickHouse meetup |
| Criteo | Retail | Main product | — | — | Slides in English, October 2018 |
| Cryptology | Digital Assets Trading Platform | — | — | — | Job advertisement, March 2021 |
| Dassana | Cloud data platform | Main product | - | - | Direct reference, April 2022 |
| Datafold | Data Reliability Platform | — | — | — | Job advertisement, April 2022 |
| Dataliance for China Telecom | Telecom | Analytics | — | — | Slides in Chinese, January 2018 |
| Deutsche Bank | Finance | BI Analytics | — | — | Slides in English, October 2019 |
| Deepl | Machine Learning | — | — | — | Video, October 2021 |
| Deeplay | Gaming Analytics | — | — | — | Job advertisement, 2020 |
| Diva-e | Digital consulting | Main Product | — | — | Slides in English, September 2019 |
| Ecommpay | Payment Processing | Logs | — | — | Video, Nov 2019 |
| Ecwid | E-commerce SaaS | Metrics, Logging | — | — | Slides in Russian, April 2019 |
| eBay | E-commerce | Logs, Metrics and Events | — | — | Official website, Sep 2020 |
| Exness | Trading | Metrics, Logging | — | — | Talk in Russian, May 2019 |
| EventBunker.io | Serverless Data Processing | — | — | — | Tweet, April 2021 |
| FastNetMon | DDoS Protection | Main Product | | — | Official website |
| Firebolt | Analytics | Main product | - | - | YouTube Tech Talk |
| Flipkart | e-Commerce | — | — | — | Talk in English, July 2020 |
| FunCorp | Games | | — | 14 bn records/day as of Jan 2021 | Article |
| Futurra Group | Analytics | — | — | — | Article in Russian, December 2021 |
| G-Core Labs | Security | Main product | — | — | Job posting, May 2022 |
| Geniee | Ad network | Main product | — | — | Blog post in Japanese, July 2017 |
| Genotek | Bioinformatics | Main product | — | — | Video, August 2020 |
| Gigapipe | Managed ClickHouse | Main product | — | — | Official website |
| Gigasheet | Analytics | Main product | — | — | Direct Reference, February 2022 |
| Glaber | Monitoring | Main product | — | — | Website |
| GraphCDN | CDN | Traffic Analytics | — | — | Blog Post in English, August 2021 |
| GraphJSON | Cloud analytics platform | Main product | - | - | Official Website, November 2021 |
| GraphQL Hive | Software Development | Traffic analysis | — | — | Source code |
| Grouparoo | Data Warehouse Integrations | Main product | — | — | Official Website, November 2021 |
| HUYA | Video Streaming | Analytics | — | — | Slides in Chinese, October 2018 |
| Hydrolix | Cloud data platform | Main product | — | — | Documentation |
| Hystax | Cloud Operations | Observability Analytics | - | - | Blog |
| ICA | FinTech | Risk Management | — | — | Blog Post in English, Sep 2020 |
| Idealista | Real Estate | Analytics | — | — | Blog Post in English, April 2019 |
| Improvado | Revenue Operations | Data Stack | — | — | Blog Post, December 2021 |
| Infobaleen | AI markting tool | Analytics | — | — | Official site |
| Infovista | Networks | Analytics | — | — | Slides in English, October 2019 |
| InnoGames | Games | Metrics, Logging | — | — | Slides in Russian, September 2019 |
| Instabug | APM Platform | Main product | — | — | A quote from Co-Founder |
| Instana | APM Platform | Main product | — | — | Twitter post |
| Integros | Platform for video services | Analytics | — | — | Slides in Russian, May 2019 |
| Ippon Technologies | Technology Consulting | — | — | — | Talk in English, July 2020 |
| Ivi | Online Cinema | Analytics, Monitoring | — | — | Article in Russian, Jan 2018 |
| Jinshuju 金数据 | BI Analytics | Main product | — | — | Slides in Chinese, October 2019 |
| Jitsu | Cloud Software | Data Pipeline | — | — | Documentation, Hacker News post |
| JuiceFS | Storage | Shopping Cart | - | - | Blog |
| June | Product analytics | Main product | - | - | Job post |
| kakaocorp | Internet company | — | — | — | if(kakao)2020, if(kakao)2021 |
| Kaiko | Digital Assets Data Provider | — | — | — | Job advertisement, April 2022 |
| Kodiak Data | Clouds | Main product | — | — | Slides in Engish, April 2018 |
| Kontur | Software Development | Metrics | — | — | Talk in Russian, November 2018 |
| Kuaishou | Video | — | — | — | ClickHouse Meetup, October 2018 |
| KGK Global | Vehicle monitoring | — | — | — | Press release, June 2021 |
| LANCOM Systems | Network Solutions | Traffic analysis | - | - | ClickHouse Operator for Kubernetes, [Hacker News post] (https://news.ycombinator.com/item?id=29413660) |
| Lawrence Berkeley National Laboratory | Research | Traffic analysis | 5 servers | 55 TiB | Slides in English, April 2019 |
| Lever | Talent Management | Recruiting | - | - | Hacker News post |
| LifeStreet | Ad network | Main product | 75 servers (3 replicas) | 5.27 PiB | Blog post in Russian, February 2017 |
| Lookforsale | E-Commerce | — | — | — | Job Posting, December 2021 |
| Luabase | Software | Analytics | — | — | Hacker News, April 2022 |
| Mail.ru Cloud Solutions | Cloud services | Main product | — | — | Article in Russian |
| Marfeel | Mobile SaaS | — | — | — | [Job offer, Apr 2022] |
| MAXILECT | Ad Tech, Blockchain, ML, AI | — | — | — | Job advertisement, 2021 |
| Marilyn | Advertising | Statistics | — | — | Talk in Russian, June 2017 |
| Mello | Marketing | Analytics | 1 server | — | Article, October 2020 |
| MessageBird | Telecommunications | Statistics | — | — | Slides in English, November 2018 |
| Microsoft | Web Analytics | Clarity (Main Product) | — | — | A question on GitHub |
| MindsDB | Machine Learning | Main Product | — | — | Official Website |
| MUX | Online Video | Video Analytics | — | — | Talk in English, August 2019 |
| MGID | Ad network | Web-analytics | — | — | Blog post in Russian, April 2020 |
| Muse Group | Music Software | Performance Monitoring | — | — | Blog post in Russian, January 2021 |
| Netskope | Network Security | — | — | — | Job advertisement, March 2021 |
| NIC Labs | Network Monitoring | RaTA-DNS | — | — | Blog post, March 2021 |
| NLMK | Steel | Monitoring | — | — | Article in Russian, Jan 2022 |
| NOC Project | Network Monitoring | Analytics | Main Product | — | Official Website |
| Noction | Network Technology | Main Product | — | — | Official Website |
| ntop | Network Monitoning | Monitoring | — | — | Official website, January 2022 |
| Nuna Inc. | Health Data Analytics | — | — | — | Talk in English, July 2020 |
| Ok.ru | Social Network | — | 72 servers | 810 TB compressed, 50bn rows/day, 1.5 TB/day | SmartData conference, October 2021 |
| Omnicomm | Transportation Monitoring | — | — | — | Facebook post, October 2021 |
| OneAPM | Monitoring and Data Analysis | Main product | — | — | Slides in Chinese, October 2018 |
| Opensee | Financial Analytics | Main product | - | - | Blog |
| Open Targets | Genome Research | Genome Search | — | — | Tweet, October 2021, Blog |
| OZON | E-commerce | — | — | — | Official website |
| Panelbear | Analytics | Monitoring and Analytics | — | — | Tech Stack, November 2020 |
| Percent 百分点 | Analytics | Main Product | — | — | Slides in Chinese, June 2019 |
| Percona | Performance analysis | Percona Monitoring and Management | — | — | Official website, Mar 2020 |
| PingCAP | Analytics | Real-Time Transactional and Analytical Processing | - | - | GitHub, TiFlash/TiDB |
| Piwik PRO | Web Analytics | — | — | — | Official website, Dec 2018 |
| Plausible | Analytics | Main Product | — | — | Blog post, June 2020 |
| PoeticMetric | Metrics | Main Product | — | — | Community Slack, April 2022 |
| PostHog | Product Analytics | Main Product | — | — | Release Notes, October 2020, Blog, November 2021 |
| Postmates | Delivery | — | — | — | Talk in English, July 2020 |
| Pragma Innovation | Telemetry and Big Data Analysis | Main product | — | — | Slides in English, October 2018 |
| PRANA | Industrial predictive analytics | Main product | — | — | News (russian), Feb 2021 |
| QINGCLOUD | Cloud services | Main product | — | — | Slides in Chinese, October 2018 |
| Qrator | DDoS protection | Main product | — | — | Blog Post, March 2019 |
| QuickCheck | FinTech | Analytics | — | — | Blog post, May 2022 |
| R-Vision | Information Security | — | — | — | Article in Russian, December 2021 |
| Raiffeisenbank | Banking | Analytics | — | — | Lecture in Russian, December 2020 |
| Rambler | Internet services | Analytics | — | — | Talk in Russian, April 2018 |
| Replica | Urban Planning | Analytics | — | — | Job advertisement |
| Retell | Speech synthesis | Analytics | — | — | Blog Article, August 2020 |
| Rollbar | Software Development | Main Product | — | — | Official Website |
| Rspamd | Antispam | Analytics | — | — | Official Website |
| RuSIEM | SIEM | Main Product | — | — | Official Website |
| Santiment | Behavioral analytics for the crypto market | Main Product | — | — | Github repo |
| S7 Airlines | Airlines | Metrics, Logging | — | — | Talk in Russian, March 2019 |
| Sber | Banking, Fintech, Retail, Cloud, Media | — | 128 servers | >1 PB | Job advertisement, March 2021 |
| Scale8 | Tag Management and Analytics | Main product | - | - | Source Code |
| scireum GmbH | e-Commerce | Main product | — | — | Talk in German, February 2020 |
| Segment | Data processing | Main product | 9 * i3en.3xlarge nodes 7.5TB NVME SSDs, 96GB Memory, 12 vCPUs | — | Slides, 2019 |
| sembot.io | Shopping Ads | — | — | — | A comment on LinkedIn, 2020 |
| SEMrush | Marketing | Main product | — | — | Slides in Russian, August 2018 |
| Sentry | Software Development | Main product | — | — | Blog Post in English, May 2019 |
| seo.do | Analytics | Main product | — | — | Slides in English, November 2019 |
| SGK | Government Social Security | Analytics | — | — | Slides in English, November 2019 |
| SigNoz | Observability Platform | Main Product | — | — | Source code |
| Sina | News | — | — | — | Slides in Chinese, October 2018 |
| Sipfront | Software Development | Analytics | — | — | Tweet, October 2021 |
| SMI2 | News | Analytics | — | — | Blog Post in Russian, November 2017 |
| Spark New Zealand | Telecommunications | Security Operations | — | — | Blog Post, Feb 2020 |
| Splitbee | Analytics | Main Product | — | — | Blog Post, Mai 2021 |
| Splunk | Business Analytics | Main product | — | — | Slides in English, January 2018 |
| Spotify | Music | Experimentation | — | — | Slides, July 2018 |
| Staffcop | Information Security | Main Product | — | — | Official website, Documentation |
| Suning | E-Commerce | User behaviour analytics | — | — | Blog article |
| Superwall | Monetization Tooling | Main product | — | — | Word of mouth, Jan 2022 |
| Swetrix | Analytics | Main Product | — | — | Source code |
| Synpse | Application Management | Main Product | - | - | Tweet, January 2022 |
| TeamApt | FinTech | Data Processing | — | — | Official Website |
| Teralytics | Mobility | Analytics | — | — | Tech blog |
| Tencent | Big Data | Data processing | — | — | Slides in Chinese, October 2018 |
| Tencent | Messaging | Logging | — | — | Talk in Chinese, November 2019 |
| Tencent Music Entertainment (TME) | BigData | Data processing | — | — | Blog in Chinese, June 2020 |
| Tesla | Electric vehicle and clean energy company | — | — | — | Vacancy description, March 2021 |
| Timeflow | Software | Analytics | — | — | Blog |
| Tinybird | Real-time Data Products | Data processing | — | — | Official website |
| Traffic Stars | AD network | — | 300 servers in Europe/US | 1.8 PiB, 700 000 insert rps (as of 2021) | Slides in Russian, May 2018 |
| Uber | Taxi | Logging | — | — | Slides, February 2020 |
| Uptrace | Software | Tracing Solution | — | — | Official website, March 2021 |
| UseTech | Software Development | — | — | — | Job Posting, December 2021 |
| UTMSTAT | Analytics | Main product | — | — | Blog post, June 2020 |
| Vercel | Traffic and Performance Analytics | — | — | — | Direct reference, October 2021 |
| VKontakte | Social Network | Statistics, Logging | — | — | Slides in Russian, August 2018 |
| VKontech | Distributed Systems | Migrating from MongoDB | - | - | Blog, January 2022 |
| VMware | Cloud | VeloCloud, SDN | — | — | Product documentation |
| Walmart Labs | Internet, Retail | — | — | — | Talk in English, July 2020 |
| Wargaming | Games | | — | — | Interview |
| WebGazer | Uptime Monitoring | Main Product | — | — | Community Slack, April 2022 |
| Wildberries | E-commerce | | — | — | Official website |
| Wisebits | IT Solutions | Analytics | — | — | Slides in Russian, May 2019 |
| Workato | Automation Software | — | — | — | Talk in English, July 2020 |
| Xenoss | Martech, Adtech development | — | — | — | Official website |
| Xiaoxin Tech | Education | Common purpose | — | — | Slides in English, November 2019 |
| Ximalaya | Audio sharing | OLAP | — | — | Slides in English, November 2019 |
| Yandex Cloud | Public Cloud | Main product | — | — | Talk in Russian, December 2019 |
| Yandex DataLens | Business Intelligence | Main product | — | — | Slides in Russian, December 2019 |
| Yandex Market | e-Commerce | Metrics, Logging | — | — | Talk in Russian, January 2019 |
| Yandex Metrica | Web analytics | Main product | 630 servers in one cluster, 360 servers in another cluster, 1862 servers in one department | 133 PiB / 8.31 PiB / 120 trillion records | Slides, February 2020 |
| Yellowfin | Analytics | Main product | - | - | Integration |
| Yotascale | Cloud | Data pipeline | — | 2 bn records/day | LinkedIn (Accomplishments) |
| Your Analytics | Product Analytics | Main Product | — | - | Tweet, November 2021 |
| Zagrava Trading | — | — | — | — | Job offer, May 2021 |
| ЦВТ | Software Development | Metrics, Logging | — | — | Blog Post, March 2019, in Russian |
| МКБ | Bank | Web-system monitoring | — | — | Slides in Russian, September 2019 |
| ЦФТ | Banking, Financial products, Payments | — | — | — | Meetup in Russian, April 2020 |
| Цифровой Рабочий | Industrial IoT, Analytics | — | — | — | Blog post in Russian, March 2021 |
| ООО «МПЗ Богородский» | Agriculture | — | — | — | Article in Russian, November 2020 |
| ДомКлик | Real Estate | — | — | — | Article in Russian, October 2021 |
| АС "Стрела" | Transportation | — | — | — | Job posting, Jan 2022 |
| Deepglint 格灵深瞳 | AI, Computer Vision | OLAP | — | — | Official Website |