> 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/company/kaefer/ # Kaefer A construction organization with 10,000 to 25,000 employees. Where it sits among its peers, the technology it runs and how to reach its people. By Enrich.chat Editorial. Updated October 21, 2026. **Short answer:** Kaefer (kaefer.com) is a construction organization with 10,000 to 25,000 employees. Its public technology footprint includes Microsoft 365 and Microsoft Outlook. ## How big is Kaefer? Kaefer has 10,000 to 25,000 employees. Among the construction firms on this site it sits in the larger half. Each dot in the figure is one of its peers, placed by size; the orange dot is Kaefer. **Figure: Where Kaefer sits among construction firms.** A strip of dots, one for each of 120 peers in construction, spread from 2,000 to 2,000,000 employees on a log scale. Kaefer is highlighted and falls in the 10,000 to 25,000 employees range in the larger half. *Peers in construction placed by employee count on a log scale. Sizes are rounded ranges from public profiles.* Headcount on public company profiles is rounded and moves as a company hires, so use the range as a guide, not as a payroll figure. ## Where is Kaefer headquartered? Kaefer is headquartered in Bremen, Germany. [Companies in Germany](https://enrich.chat/companies-in/germany/) ## What industry is Kaefer in? Kaefer works in [construction](https://enrich.chat/industries/construction/). This group covers general contractors, specialty trades and builders that put up and renovate buildings and infrastructure. Similar organizations on this site: [Burns & McDonnell](https://enrich.chat/company/burns-and-mcdonnell/), [D.R. Horton](https://enrich.chat/company/d-r-horton/), [PCL Construction](https://enrich.chat/company/pcl-construction/), [Peab](https://enrich.chat/company/peab/), [Primoris Services](https://enrich.chat/company/primoris-services/) and [Archirodon Group N.V.](https://enrich.chat/company/archirodon-group-n-v/). ## What technology does Kaefer use? We detect 26 tools on Kaefer's public footprint across 9 categories, for example NGINX for cloud and hosting, Atlassian Cloud for developer and devops tools and Microsoft 365 for email and productivity. The figure counts the tools in each category; the groups below name them and link to the companies that use each one. **Figure: Tools detected at Kaefer, by category.** A bar chart of how many tools were detected at Kaefer in each category: Email and productivity 8, Video and media 4, Cloud and hosting 2, Developer and DevOps tools 2, CDN and security 2, Website platforms and CMS 2, Analytics and tracking 2. *Tools detected on the public footprint of Kaefer, by category.* ### Cloud and hosting [NGINX](https://enrich.chat/companies-using/nginx/)[NGINX](https://enrich.chat/companies-using/nginx/) ### Developer and DevOps tools [Atlassian Cloud](https://enrich.chat/companies-using/atlassian/)[Atlassian Cloud](https://enrich.chat/companies-using/atlassian/) ### Email and productivity [Microsoft 365](https://enrich.chat/companies-using/microsoft-365/)[Microsoft 365](https://enrich.chat/companies-using/microsoft-365/)[Microsoft Outlook](https://enrich.chat/companies-using/microsoft-outlook/)[Microsoft Outlook](https://enrich.chat/companies-using/microsoft-outlook/)[Mailjet](https://enrich.chat/companies-using/mailjet/)[Mailjet](https://enrich.chat/companies-using/mailjet/)[SharePoint](https://enrich.chat/companies-using/sharepoint/)[SharePoint](https://enrich.chat/companies-using/sharepoint/) ### CDN and security [CSC Corporate Domains](https://enrich.chat/companies-using/csc-corporate-domains/)[CSC Corporate Domains](https://enrich.chat/companies-using/csc-corporate-domains/) ### Website platforms and CMS [WordPress (self-hosted)](https://enrich.chat/companies-using/wordpress-org/)[WordPress (self-hosted)](https://enrich.chat/companies-using/wordpress-org/) ### Analytics and tracking [Google Tag Manager](https://enrich.chat/companies-using/google-tag-manager/)[Google Tag Manager](https://enrich.chat/companies-using/google-tag-manager/) ### Video and media [Vimeo](https://enrich.chat/companies-using/vimeo/)[Vimeo](https://enrich.chat/companies-using/vimeo/)[YouTube](https://enrich.chat/companies-using/youtube/)[YouTube](https://enrich.chat/companies-using/youtube/) ### Frameworks and libraries [Ruby on Rails](https://enrich.chat/companies-using/ruby-on-rails/)[Ruby on Rails](https://enrich.chat/companies-using/ruby-on-rails/) Tools change as companies adopt and drop them. Check a single company at any time with the free [tech stack lookup](https://enrich.chat/tools/tech-stack-lookup/). ## How do I find the right people at Kaefer? Start from the website, kaefer.com. Enter it in the free email finder with a name, or ask your AI agent for the people in the roles you sell to, such as project executives, operations directors and estimating leaders. ```text Use www.enrich.chat to find the project executives, operations directors and estimating leaders at kaefer.com, with titles and verified work emails ``` Staff addresses follow a known pattern: see the [Kaefer email format](https://enrich.chat/email-format/kaefer/). ## Which other companies use the same tools? See who else runs the tools Kaefer uses: [Microsoft 365](https://enrich.chat/companies-using/microsoft-365/)[Microsoft 365](https://enrich.chat/companies-using/microsoft-365/)[Microsoft Outlook](https://enrich.chat/companies-using/microsoft-outlook/)[Microsoft Outlook](https://enrich.chat/companies-using/microsoft-outlook/)[Vimeo](https://enrich.chat/companies-using/vimeo/)[Vimeo](https://enrich.chat/companies-using/vimeo/) ## Frequently asked questions ### How many employees does Kaefer have? Kaefer is in the 10,000 to 25,000 employees range on its public company profile. Headcounts are rounded and change as companies hire, so treat the range as a guide. ### What industry is Kaefer in? Kaefer works in construction. This group covers general contractors, specialty trades and builders that put up and renovate buildings and infrastructure. ### What technology does Kaefer use? Tools detected on its public footprint include Microsoft 365 and Microsoft Outlook, across 9 categories. A detected tool shows it was seen, not what Kaefer pays for it. ### Where is Kaefer headquartered? Kaefer is headquartered in Bremen, Germany. ### What is the website of Kaefer? Kaefer's website is kaefer.com. Staff email usually uses a domain like it, so check the pattern with the free email format finder before you write to anyone. ## Try this prompt Find people at Kaefer ```text Use www.enrich.chat to find the project executives, operations directors and estimating leaders at kaefer.com, with titles and verified work emails ``` ## Related - [Companies using a technology](https://enrich.chat/companies-using/) - [Burns & McDonnell](https://enrich.chat/company/burns-and-mcdonnell/) - [D.R. Horton](https://enrich.chat/company/d-r-horton/) - [PCL Construction](https://enrich.chat/company/pcl-construction/) - [Peab](https://enrich.chat/company/peab/) - [Primoris Services](https://enrich.chat/company/primoris-services/) - [Archirodon Group N.V.](https://enrich.chat/company/archirodon-group-n-v/) - [Nge - Btp](https://enrich.chat/company/nge-btp/) - [Target Engineering Construction](https://enrich.chat/company/target-engineering-construction/) - [Tech stack lookup](https://enrich.chat/tools/tech-stack-lookup/)