ThayerMahan, Inc.
We design, manufacture and operate systems to collect acoustic and electronic information on the world's oceans.
145 employees · est. 2016 · Groton, United States
Tesi Group is the older company (1981 vs 2016); Tesi Group is the larger of the two.
Side-by-Side Comparison
| Metric | Tesi Group | ThayerMahan, Inc. |
|---|---|---|
| Founded | ||
| Founded | 1981 older | 2016 |
| Headquarters | ||
| Headquarters | Milan, Italy | Groton, United States |
| Employees | ||
| Employees | 263 larger | 145 |
| Industry | ||
| Industry | Health Care, Information Technology | Information Technology, Privacy and Security, Robotics |
| Funding Stage | ||
| Funding Stage | Not tracked yet | Series C |
| Total Funding | ||
| Total Funding | Not tracked yet | $62.26M |
| Funding Rounds | ||
| Funding Rounds | Not tracked yet | 5 |
| Services | ||
| Services | Not tracked yet | Undersea Surveillance, Maritime Awareness Solutions, Acoustic Monitoring, Security Solutions, Charter Services |
| Target Customers | ||
| Target Customers | Not tracked yet | National Security Agencies, Commercial Maritime Operations, Offshore Operators, Naval Forces |
| Taxonomy | ||
| Taxonomy | Healthcare Information Systems, Telemedicine, Health Technology, Laboratory Information Systems, Anatomy Pathology Systems, Endoscopy Information Systems, Blood Center Solutions, Homecare Solutions | Maritime Technology, Autonomous Marine Solutions, Acoustic Information Systems, Electronic Information Systems, Data Gathering And Analysis, Mission-Critical Operations, Engineering Excellence, Military Leadership, Safety-First Innovation, Scalable Technologies, Turn-Key Solutions, Defense Sector, Intelligence Gathering, Security Solutions, Ocean Surveillance |
| Website | ||
| Website | tesigroup.tech | thayermahan.com |
About Tesi Group
Tesi Group is a company focused on meeting the automation needs of the health world through the design and implementation of health information systems. Founded in 1981, the company's mission is to invest in innovation and study new technologies to create cutting-edge products that ensure high perfo...
About ThayerMahan, Inc.
ThayerMahan, Inc., established in 2016, is at the forefront of transforming maritime solutions with a focus on Information Technology, Privacy and Security, and Robotics. Headquartered in the United States, their mission revolves around designing, manufacturing, and operating systems that collect cr...
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Compiled from the BounceWatch company index. We last looked at Tesi Group on 15 Nov 2024, and ThayerMahan, Inc. on 8 Jan 2026. Where a field is blank here, it means we have not recorded it — not that the answer is zero. How we source and date this.