The Westworld QA Security Force serves as the main defence force inside Westworld, acting under the authority of Quality Assurance. They're duties consists mainly of guarding the facilities of Westworld and overseeing the park's operations from Control Room. If a host goes stray, usually a member of the QA joins the technician to retrieve it. During the host-uprising the QA Security Force suffered heavy casualities, who were unprepared for such an incursion. Maeve Millay, Hector Escaton and Armistice all managed to kill several members.
- At least dozens of other members
- Their main weapon of choice is the FN P90 TR.