Welcome to the Osterwalder Group. Your competent partner for petroleum products, filling stations in your area, high-level car care, hydrogen mobility, real estate and sewer cleaning

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Rely on our quality heating oils

Heating oil

As Switzerland's leading energy supplier, air hygiene, safety and resources are our top priorities. We value personal and friendly advice, high product quality and a unique and reliable service. Put your trust in our many years of experience and quality

Rely on our quality tests for fuels

Fuels

AVIA is supplied by the major refineries throughout Europe. AVIA products meet the strictest quality standards, regardless of the country of origin: the products on offer are subjected to quality controls carried out by independent laboratories. Only successfully passed tests and special additive packages turn refined mineral oil products into AVIA products.

Rely on our high-quality lubricants

Lubricants

With our lubricants from AVIA, you can rely on high-quality products that ensure that your engines, machines and systems run "like clockwork". Our focus is on meeting your requirements and wishes and we attach great importance to individual advice.