Elektro Illi AG provides professional electrical installations for private, commercial, and public projects, including planning, execution, 24h emergency service, communication cabling, lighting solutions, and solar systems with storage, cleaning, and maintenance.

Erni Bau- und Projektleitung GmbH provides comprehensive construction management services including project coordination, cost planning, tendering, scheduling, and building damage restoration. Founded in 2022 by Daniel Lukas Erni, a federally certified construction manager (Eidg. Dipl. Bauleiter HFP), the company emphasizes solution-oriented work, transparent communication, and reliable execution from planning through handover.