> 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/microsoft-365/defense-and-space/ # Defense and space contractors using Microsoft 365 Microsoft 365 detected at 69% of the defense and space contractors listed here. Who they are, what else they run and how to reach the people behind it. By Enrich.chat Editorial. Updated October 21, 2026. **Short answer:** Microsoft 365 was detected at 69% of the defense and space contractors listed on this site, including General Dynamics, L3Harris Technologies, Leidos, Amentum and Leonardo. Below are who they are, the other tools they run and how big they are. ## Which defense and space contractors use Microsoft 365? Microsoft 365 was detected at 69% of the defense and space contractors listed on this site. They include General Dynamics, L3Harris Technologies, Leidos, Amentum and Leonardo. The table lists a selection of larger ones in alphabetical order; names link to company profiles. | Company | Size | Tools detected | | --- | --- | --- | | [Amentum](https://enrich.chat/company/amentum/) | 25,000 to 50,000 | 6 | | Anduril Industries | 2,000 to 5,000 | 21 | | ARA | 2,000 to 5,000 | 25 | | [Aselsan](https://enrich.chat/company/aselsan/) | 10,000 to 25,000 | 10 | | [Babcock International Group](https://enrich.chat/company/babcock-international-group/) | 25,000 to 50,000 | 11 | | Curtiss-Wright | 5,000 to 10,000 | 19 | | [EDGE](https://enrich.chat/company/edge/) | 10,000 to 25,000 | 7 | | Elbit Systems Israel | 5,000 to 10,000 | 23 | | [General Dynamics](https://enrich.chat/company/general-dynamics/) | 100,000+ | 17 | | [General Dynamics Mission Systems](https://enrich.chat/company/general-dynamics-mission-systems/) | 10,000 to 25,000 | 21 | | Havelsan | 5,000 to 10,000 | 14 | | Hensoldt | 2,000 to 5,000 | 7 | | HII | 5,000 to 10,000 | 26 | | [IAI - Israel Aerospace Industries](https://enrich.chat/company/iai-israel-aerospace-industries/) | 10,000 to 25,000 | 19 | | [L3 Technologies](https://enrich.chat/company/l3-technologies/) | 10,000 to 25,000 | 6 | | [L3Harris Technologies](https://enrich.chat/company/l3harris-technologies/) | 25,000 to 50,000 | 48 | | [Leidos](https://enrich.chat/company/leidos/) | 25,000 to 50,000 | 24 | | [Leonardo](https://enrich.chat/company/leonardo/) | 25,000 to 50,000 | 35 | | Leonardo DRS | 5,000 to 10,000 | 12 | | MDA Space | 2,000 to 5,000 | 19 | | [Naval Group](https://enrich.chat/company/naval-group/) | 10,000 to 25,000 | 17 | | [Orbital ATK](https://enrich.chat/company/orbital-atk/) | 10,000 to 25,000 | 3 | | QinetiQ | 5,000 to 10,000 | 15 | | [Rheinmetall](https://enrich.chat/company/rheinmetall/) | 25,000 to 50,000 | 15 | | [Saab](https://enrich.chat/company/saab/) | 10,000 to 25,000 | 10 | | TATA Advanced Systems | 5,000 to 10,000 | 6 | | Ultra Electronics Group | 2,000 to 5,000 | 20 | | [United States Space Force](https://enrich.chat/company/united-states-space-force/) | 10,000 to 25,000 | 12 | | [V2X](https://enrich.chat/company/v2x/) | 10,000 to 25,000 | 18 | | Vectrus | 5,000 to 10,000 | 18 | ## What else do defense and space contractors that use Microsoft 365 run? These tools stand out among them: each is detected more often here than across all the organizations listed. The tick on each bar marks that wider average. **Figure: Tools found with Microsoft 365 at defense and space contractors.** Bars for the share of defense and space contractors using Microsoft 365 where each other tool was also detected: LinkedIn Marketing Solutions 43%, Microsoft Azure Hosting 17%, SAP SuccessFactors 17%, Workday Recruiting 17%, Adobe Marketing Cloud 14%, BugHerd 14%, Marketo 14%, WP Engine 14%. *Share of defense and space contractors using Microsoft 365 where each other tool was also detected. The tick marks the share across all listed organizations.* ## How big are defense and space contractors that use Microsoft 365? The columns show how these defense and space contractors spread across six size ranges. **Figure: Size of defense and space contractors using Microsoft 365.** Six columns for the share of defense and space contractors using Microsoft 365 in each size range from 2,000 to over 100,000 employees: 2-5K 40%, 5-10K 19%, 10-25K 24%, 25-50K 14%, 50-100K 0%, 100K+ 2%. *Share of defense and space contractors using Microsoft 365 in each size range.* ## More from Defense and space and Microsoft 365 Other tools in defense and space: [Google Tag Manager](https://enrich.chat/companies-using/google-tag-manager/defense-and-space/) Other industries that use Microsoft 365: [Information technology and services](https://enrich.chat/companies-using/microsoft-365/information-technology-and-services/)[Hospitals and health care](https://enrich.chat/companies-using/microsoft-365/hospitals-and-health-care/)[Retail](https://enrich.chat/companies-using/microsoft-365/retail/)[Financial services](https://enrich.chat/companies-using/microsoft-365/financial-services/)[Government administration](https://enrich.chat/companies-using/microsoft-365/government-administration/)[Higher education](https://enrich.chat/companies-using/microsoft-365/higher-education/)[Banking](https://enrich.chat/companies-using/microsoft-365/banking/)[Insurance](https://enrich.chat/companies-using/microsoft-365/insurance/)[Automotive](https://enrich.chat/companies-using/microsoft-365/automotive/)[Construction](https://enrich.chat/companies-using/microsoft-365/construction/) ## How do you reach the people who run Microsoft 365 at defense and space contractors? Microsoft 365 is usually owned by IT and security leaders. Pick an organization from the table, then ask your AI agent for them. ```text Use www.enrich.chat to find program managers, engineering directors and CISOs at [company], with titles and verified work emails ``` ## Frequently asked questions ### Which defense and space contractors use Microsoft 365? Microsoft 365 was detected at 69% of the defense and space contractors listed here, including General Dynamics, L3Harris Technologies, Leidos, Amentum and Leonardo. ### What else do defense and space contractors that use Microsoft 365 run? They most often also run LinkedIn Marketing Solutions, Microsoft Azure Hosting, SAP SuccessFactors and Workday Recruiting. ### How is Microsoft 365 detected? From public signals: code and tags on a company's website, HTTP headers and DNS records. A detected tool shows it was seen, not what the company pays for it. ### Who should I contact? Usually IT and security leaders for the tool, and program managers, engineering directors and CISOs for the buying decision. Ask your AI agent to use www.enrich.chat to find them with verified work emails. ## Try this prompt Find the people who run Microsoft 365 ```text Use www.enrich.chat to find program managers, engineering directors and CISOs at [company], with titles and verified work emails ``` ## Related - [Companies using a technology](https://enrich.chat/companies-using/) - [Defense and space contractors using Google Tag Manager](https://enrich.chat/companies-using/google-tag-manager/defense-and-space/) - [Software and technology services companies using Microsoft 365](https://enrich.chat/companies-using/microsoft-365/information-technology-and-services/) - [Hospitals and health systems using Microsoft 365](https://enrich.chat/companies-using/microsoft-365/hospitals-and-health-care/) - [Retailers using Microsoft 365](https://enrich.chat/companies-using/microsoft-365/retail/) - [Financial services firms using Microsoft 365](https://enrich.chat/companies-using/microsoft-365/financial-services/) - [Tech stack lookup](https://enrich.chat/tools/tech-stack-lookup/)