> Enrich.chat gives AI agents verified work emails and mobiles. To use it from an agent, read https://enrich.chat/agents.md . This is the Markdown version of https://enrich.chat/companies-using/phusion-passenger/ # Companies using Phusion Passenger Phusion Passenger is an application server that runs Ruby, Python and Node.js web apps behind Apache or Nginx. Here are the organizations where it was detected, where it is most common and how to reach the people who run it. By Enrich.chat Editorial. Updated October 21, 2026. **Short answer:** Organizations that use Phusion Passenger include BASF, Lufthansa, SGS, Memorial Hermann Health System and CNRS. Phusion Passenger is in the cloud and hosting category; below are the industries where it is most common, how adoption changes with size and the tools found alongside it. ## What is Phusion Passenger? Phusion Passenger is an application server that runs Ruby, Python and Node.js web apps behind Apache or Nginx. It sits in the cloud and hosting category and is usually owned by engineering and DevOps leaders. ## Which companies use Phusion Passenger? Organizations where Phusion Passenger was detected include BASF, Lufthansa, SGS, Memorial Hermann Health System and CNRS. The table lists a selection of larger ones in alphabetical order; names link to company profiles. | Company | Industry | Size | | --- | --- | --- | | Amazon Lab126 | Electrical and electronic manufacturing | 5,000 to 10,000 | | Armatis | Management consulting | 2,000 to 5,000 | | [BASF](https://enrich.chat/company/basf/) | Chemicals | 100,000+ | | [Bed Bath & Beyond](https://enrich.chat/company/bed-bath-and-beyond/) | Retail | 10,000 to 25,000 | | [Brown University](https://enrich.chat/company/brown-university/) | Higher education | 10,000 to 25,000 | | Caltech | Research | 5,000 to 10,000 | | [CNRS](https://enrich.chat/company/cnrs/) | Research | 25,000 to 50,000 | | [Cornell University](https://enrich.chat/company/cornell-university/) | Higher education | 10,000 to 25,000 | | Daiichi Sankyo US | Pharmaceuticals | 2,000 to 5,000 | | [Duke University](https://enrich.chat/company/duke-university/) | Higher education | 25,000 to 50,000 | | [GLL](https://enrich.chat/company/gll/) | Health, wellness and fitness | 10,000 to 25,000 | | [Harman International Industries](https://enrich.chat/company/harman-international-industries/) | Electrical and electronic manufacturing | 25,000 to 50,000 | | HMSHost | Food and beverages | 5,000 to 10,000 | | [LexisNexis](https://enrich.chat/company/lexisnexis/) | Information technology and services | 25,000 to 50,000 | | [Lufthansa](https://enrich.chat/company/lufthansa/) | Airlines and aviation | 100,000+ | | [Massachusetts General Hospital](https://enrich.chat/company/massachusetts-general-hospital/) | Hospitals and health care | 25,000 to 50,000 | | [Memorial Hermann Health System](https://enrich.chat/company/memorial-hermann-health-system/) | Hospitals and health care | 25,000 to 50,000 | | [Ola](https://enrich.chat/company/ola/) | Information technology and services | 25,000 to 50,000 | | [Princeton University](https://enrich.chat/company/princeton-university/) | Higher education | 10,000 to 25,000 | | Raffles Hotels & Resorts | Hospitality | 5,000 to 10,000 | | [Rutgers University](https://enrich.chat/company/rutgers-university/) | Higher education | 10,000 to 25,000 | | [Scripps Health](https://enrich.chat/company/scripps-health/) | Hospitals and health care | 10,000 to 25,000 | | [Securitas France](https://enrich.chat/company/securitas-france/) | Security and investigations | 10,000 to 25,000 | | [SGS](https://enrich.chat/company/sgs/) | Professional training and coaching | 100,000+ | | SNV | Nonprofit organization management | 5,000 to 10,000 | | The Heico Companies | Venture capital and private equity | 5,000 to 10,000 | | [University of Hamburg](https://enrich.chat/company/university-of-hamburg/) | Research | 10,000 to 25,000 | | [University of Wisconsin-Madison](https://enrich.chat/company/university-of-wisconsin-madison/) | Higher education | 25,000 to 50,000 | | V-Mart Retail | Retail | 10,000 to 25,000 | | Varsity Tutors | Information technology and services | 5,000 to 10,000 | ## Do larger companies use Phusion Passenger more? For each size range, the column shows the share of listed organizations where Phusion Passenger was detected. **Figure: Phusion Passenger by company size.** Six columns, one per size range from 2,000 to over 100,000 employees, showing the share of organizations where Phusion Passenger was detected: 2-5K 0%, 5-10K 0%, 10-25K 0%, 25-50K 1%, 50-100K 0%, 100K+ 1%. *Share of listed organizations in each size range where Phusion Passenger was detected.* ## What tools go with Phusion Passenger? Among the organizations that use Phusion Passenger, these tools stand out: each is detected more often alongside Phusion Passenger than across all the organizations listed. The tick on each bar marks that wider average. **Figure: Tools that stand out among Phusion Passenger users.** Bars for the share of Phusion Passenger users that also use each tool, with a tick for the share across all listed organizations: Ubuntu 24% against 4%, Oracle Taleo 22% against 3%, Intercom 16% against 3%, Google Remarketing 15% against 3%, Constant Contact 13% against 2%, Greenhouse 13% against 2%, Heap Analytics 13% against 2%, Wix 11% against 1%. *Share of organizations using Phusion Passenger where each tool was also detected. The tick marks the share across all listed organizations.* [Ubuntu](https://enrich.chat/companies-using/ubuntu/)[Oracle Taleo](https://enrich.chat/companies-using/taleo/)[Intercom](https://enrich.chat/companies-using/intercom/)[Google Remarketing](https://enrich.chat/companies-using/google-remarketing/)[Constant Contact](https://enrich.chat/companies-using/constant-contact/)[Greenhouse](https://enrich.chat/companies-using/greenhouse/)[Heap Analytics](https://enrich.chat/companies-using/heap-analytics/)[Wix](https://enrich.chat/companies-using/wix/) ## How do you reach the people who run Phusion Passenger? The tool tells you what a company already runs; the people to talk to are usually engineering and DevOps leaders. Pick an account from the table, then ask your AI agent for them. ```text Use www.enrich.chat to find the engineering and DevOps leaders at [company], with titles and verified work emails ``` Check any other company with the free [tech stack lookup](https://enrich.chat/tools/tech-stack-lookup/), or find a company's [email format](https://enrich.chat/tools/email-format-finder/). ## Frequently asked questions ### What companies use Phusion Passenger? Organizations where Phusion Passenger was detected include BASF, Lufthansa, SGS, Memorial Hermann Health System and CNRS. The page lists a selection of larger ones with links to their profiles. ### Which industries use Phusion Passenger most? Phusion Passenger is used across a range of industries. ### How is Phusion Passenger usage detected? From public signals: code and tags on a company's website, the HTTP headers its servers send, and DNS records. A detected tool shows it was seen, not what the company pays for it. ### Who should I contact at a company that uses Phusion Passenger? Usually engineering and DevOps leaders. Ask your AI agent to use www.enrich.chat to find people in those roles at the account, with verified work emails. ## Try this prompt Find the people who run Phusion Passenger ```text Use www.enrich.chat to find the engineering and DevOps leaders at [company], with titles and verified work emails ``` ## Related - [Companies using a technology](https://enrich.chat/companies-using/) - [Companies using AWS](https://enrich.chat/companies-using/aws/) - [Companies using NGINX](https://enrich.chat/companies-using/nginx/) - [Companies using Microsoft Azure Hosting](https://enrich.chat/companies-using/microsoft-azure-hosting/) - [Companies using Microsoft IIS](https://enrich.chat/companies-using/microsoft-iis/) - [Companies using WP Engine](https://enrich.chat/companies-using/wp-engine/) - [Companies using Render](https://enrich.chat/companies-using/render/) - [Companies using Ubuntu](https://enrich.chat/companies-using/ubuntu/) - [Companies using Google Cloud Hosting](https://enrich.chat/companies-using/google-cloud-hosting/) - [Tech stack lookup](https://enrich.chat/tools/tech-stack-lookup/)