United States1 robot tracked

ST Engineering Aethon

ST Engineering Aethon makes TUG and Zena RX delivery robots, which is at stage 4 of 5: paying customers.

Website: aethon.com
Based in: United States
Latest milestone: 8 May 2026

01Robots

What ST Engineering Aethon makes

Each robot's stage is worked out from its dated, sourced milestones by the same published rules, whoever the maker is.

TUG and Zena RX delivery robotsMedical · Hospital delivery robotStage 4 of 5 · Paying customersAethon's TUG robots, and newer models such as Zena RX, drive themselves around hospitals carrying medicines, lab samples, meals, linen and waste.In use at hundreds of customer sites, mostly US hospitals such as Mercy St. Louis, University Health and AdventHealth Orlando; the company says they make about 5 million deliveries a year.The full record

02Track record

Every dated event

8 May 2026Milestone
Aethon, now part of Singapore's ST Engineering, has worked in hospital deliveries for about 20 years.
The Robot Report, 8 May 2026
1 Oct 2024Milestone
A single Aethon robot in the AdventHealth Orlando lab made 40,592 deliveries in a year.
Aethon RoboHero awards post, 1 Oct 2024Company-reported
1 Oct 2024Milestone
Aethon said its robot fleet at Mercy St. Louis made 297,012 deliveries between June 2023 and May 2024, the most of any of its customers.
Aethon RoboHero awards post, 1 Oct 2024Company-reported
1 Oct 2024Milestone
University Health said its logistics staff relied on a fleet of 23 Aethon robots for deliveries.
Aethon RoboHero awards post, 1 Oct 2024Company-reported
29 April 2024Milestone
Aethon launched Zena RX, a successor to its TUG T2 robot for hospital pharmacies and labs, with 2.6 times the storage space.
Aethon announcement, 29 Apr 2024Company-reported
19 Oct 2017Milestone
The Sheraton Los Angeles San Gabriel hotel planned to open with eight TUG robots to guide guests and deliver items to rooms, a first of that size for a US hotel. TUG robots were more often seen in hospitals.
The Robot Report, 19 Oct 2017Company-reported

03Money

Who owns it

Aethon, maker of the TUG hospital robot, is owned by ST Engineering, a Singapore technology and defence group. ST Engineering trades as S63 on SGX. Aethon website, About

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