Company entity per sterra.sg Terms & Conditions (https://sterra.sg/pages/terms-conditions, checked 2026-08-06): "This website is operated by Sterra Tech Pte. Ltd." Footer also states "Sterra, now a Stryv Company" — Sterra appears to now operate as part of a parent group called Stryv, but Sterra Tech Pte. Ltd. remains the named operating entity. Origin claim ("SG Brand", "Trusted by over 10,000 Singaporeans") from sterra.sg homepage. service_model set to in_house on the strength of Sterra's own job listings for "Water Purifier Technician/Installers" (https://sterra.sg/pages/hiring-water-purifier-technician-installers, checked 2026-08-06) — the site does not explicitly state "in-house" but directly hires and trains its own installation/service technicians rather than describing a third-party contractor arrangement.