PT. Semesta Energi Teknik is a company specializing in MEP (Mechanical, Electrical, and Plumbing) services. We deliver integrated solutions for mechanical, electrical, and piping installations to ensure optimal performance and efficiency in various buildings.
We are a company specializing in Mechanical, Electrical, and Plumbing (MEP) services, offering integrated solutions for mechanical, electrical, and piping installations in various building projects. With deep technical expertise and extensive experience, we provide design, installation, maintenance, and repair services for reliable and efficient MEP systems. Our commitment is to ensure everysystem operates optimally to support comfort, safety, and energy efficiency in residential, commercial, and industrial buildings.
To become a renowned mechanical supplier company in Indonesia.

We uphold the highest standards of honesty and transparency in all our dealings.

From project planning to field operations, we ensure the highest safety standards

We listen, we respond, and we deliver with a commitment to long-term collaboration and satisfaction.
Removes lime, silica, and salt content from water. Ideal for metal plating, cosmetics, boiler feed, and more.
Delivers clean water for buildings, hospitals, schools, factories, and supports industrial water reuse.
Converts brackish or seawater into drinkable water and recycles industrial wastewater efficiently.
A patented sludge-free, odorless wastewater treatment system using microbes to eliminate BOD, COD, and ammonia.
Separates liquid from slurry for industrial reuse. We also provide spare parts, automation, and installation.
Chemical-free treatment system that saves energy, removes diverse contaminants, and minimizes sludge production.
Leak-proof, chemical-resistant tanks with integrated biofilters—compliant with environmental standards.
Durable, anti-moss tanks suitable for rooftops and high-rise installations, with long-lasting quality.
Sterilizes drinking water, eliminates bacteria and toxic compounds, and prevents mold growth.
Whether you need clean water solutions, MEP system installation, or advanced
wastewater treatment—our expert team is ready to deliver. Contact us today and discover
how PT. STEK can support your infrastructure goals.