Greina Trefelling

Greina Trefelling AS is an arborist company offering tree felling, tree care and pruning, condition assessments and arborist reports, stump grinding, tree planting and relocation, and root-zone supervision for construction work near trees. It also provides targeted, spray-free control of invasive plant species using the RootWave method. Equipment listed includes a Picus tomograph, air spade, chipper and stump grinder.

Customers are private households, housing cooperatives, contractors and public clients. Jobs are priced on quotation, and free site visits are offered; the company also states that photos and access information often allow a price without a visit.

The company was founded in 2008 and is headquartered in Oslo. It serves Oslo, Bærum, Asker, Akershus, Drammen, Buskerud and Vestfold. The website names work for Sporveien, Statnett and Bane NOR and states that the team includes a vocational-school-trained arborist with an ISA Tree Risk Assessment Qualification.

Product: Tree felling, pruning, stump grinding, planting, arborist condition reports and root-zone supervision.