> 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/porr-group/ # PORR Group 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:** PORR Group (porr-group.com) is a construction organization with 10,000 to 25,000 employees. Its public technology footprint includes Microsoft 365, Microsoft Outlook and Facebook Login. ## How big is PORR Group? PORR Group 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 PORR Group. **Figure: Where PORR Group 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. PORR Group 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 PORR Group headquartered? PORR Group is headquartered in Vienna, Austria. [Companies in Austria](https://enrich.chat/companies-in/austria/) ## What industry is PORR Group in? PORR Group 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: [Orascom Construction](https://enrich.chat/company/orascom-construction/), [Tata Projects](https://enrich.chat/company/tata-projects/), [EEI](https://enrich.chat/company/eei/), [Galfar Engineering & Contracting SAOG](https://enrich.chat/company/galfar-engineering-and-contracting-saog/), [GMR Group](https://enrich.chat/company/gmr-group/) and [Turner Construction](https://enrich.chat/company/turner-construction/). ## What technology does PORR Group use? We detect 13 tools on PORR Group's public footprint across 6 categories, for example Facebook Login for identity and authentication, Microsoft 365 for email and productivity and Google Tag Manager for analytics and tracking. 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 PORR Group, by category.** A bar chart of how many tools were detected at PORR Group in each category: Advertising and retargeting 5, Email and productivity 2, Analytics and tracking 2, Fonts, maps and embeds 2, Identity and authentication 1, Social and widgets 1. *Tools detected on the public footprint of PORR Group, by category.* ### Identity and authentication [Facebook Login](https://enrich.chat/companies-using/facebook-login/) ### Email and productivity [Microsoft 365](https://enrich.chat/companies-using/microsoft-365/)[Microsoft Outlook](https://enrich.chat/companies-using/microsoft-outlook/) ### Analytics and tracking [Google Tag Manager](https://enrich.chat/companies-using/google-tag-manager/)[Google Analytics](https://enrich.chat/companies-using/google-analytics/) ### Advertising and retargeting [Facebook Custom Audiences](https://enrich.chat/companies-using/facebook-custom-audiences/)[DoubleClick](https://enrich.chat/companies-using/doubleclick/)[DoubleClick Conversion Tracking](https://enrich.chat/companies-using/doubleclick-conversion/)[Google Dynamic Remarketing](https://enrich.chat/companies-using/google-dynamic-remarketing/)[LinkedIn Marketing Solutions](https://enrich.chat/companies-using/linkedin-marketing-solutions/) ### Social and widgets [Facebook Widget](https://enrich.chat/companies-using/facebook-widget/) ### Fonts, maps and embeds [Google Maps](https://enrich.chat/companies-using/google-maps/)[Google Maps (non paid)](https://enrich.chat/companies-using/google-maps-non-paid/) 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 PORR Group? Start from the website, porr-group.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 porr-group.com, with titles and verified work emails ``` Staff addresses follow a known pattern: see the [PORR Group email format](https://enrich.chat/email-format/porr-group/). ## Which other companies use the same tools? See who else runs the tools PORR Group uses: [Microsoft 365](https://enrich.chat/companies-using/microsoft-365/)[Microsoft Outlook](https://enrich.chat/companies-using/microsoft-outlook/)[Facebook Login](https://enrich.chat/companies-using/facebook-login/)[Facebook Widget](https://enrich.chat/companies-using/facebook-widget/)[Facebook Custom Audiences](https://enrich.chat/companies-using/facebook-custom-audiences/)[DoubleClick](https://enrich.chat/companies-using/doubleclick/) ## Frequently asked questions ### How many employees does PORR Group have? PORR Group 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 PORR Group in? PORR Group works in construction. This group covers general contractors, specialty trades and builders that put up and renovate buildings and infrastructure. ### What technology does PORR Group use? Tools detected on its public footprint include Microsoft 365, Microsoft Outlook and Facebook Login, across 6 categories. A detected tool shows it was seen, not what PORR Group pays for it. ### Where is PORR Group headquartered? PORR Group is headquartered in Vienna, Austria. ### What is the website of PORR Group? PORR Group's website is porr-group.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 PORR Group ```text Use www.enrich.chat to find the project executives, operations directors and estimating leaders at porr-group.com, with titles and verified work emails ``` ## Related - [Companies using a technology](https://enrich.chat/companies-using/) - [Orascom Construction](https://enrich.chat/company/orascom-construction/) - [Tata Projects](https://enrich.chat/company/tata-projects/) - [EEI](https://enrich.chat/company/eei/) - [Galfar Engineering & Contracting SAOG](https://enrich.chat/company/galfar-engineering-and-contracting-saog/) - [GMR Group](https://enrich.chat/company/gmr-group/) - [Turner Construction](https://enrich.chat/company/turner-construction/) - [Balfour Beatty](https://enrich.chat/company/balfour-beatty/) - [Bechtel](https://enrich.chat/company/bechtel/) - [Tech stack lookup](https://enrich.chat/tools/tech-stack-lookup/)