About us

Overall Objective, Vision, Core Values


ISONOR Industrier shall be recognized for safety, decency, focus on employees and excellent relations to the customers.

Core Values


We take personal responsibility for safety because we care.



We deliver our work in an honest, decent and reliable way through loyalty to safety, what we deliver and our colleagues.



We believe and acknowledge that quality and excellent performance are team efforts.


We treat all with respect, and build a unified culture through openness and an early and honest communication.

Focus on customers

We build trust and relationships through our persistence to get things done, ability to deliver, that we know our business and we keep our promises.

Overall Objective

On a daily basis, perform our responsibilities and work such that;

  • our CUSTOMERS experience right quality, right delivery and value securing a high degree of repeat business
  • our EMPLOYEES take pride in working for ISONOR
  • our OWNERS experience return on invested capital



Management    |    Board


The Management Team in ISONOR (leader Ilari Rajalehto) has wide competence and experience from the oil & gas business and from other Norwegian industries.

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Ilari Rajalehto

+47 90 85 84 73


Birgitte Kjærsgård

+47 45 48 99 03


Grete Thu Christiansen
HSEQ Risk Manager

+47 97 05 37 44

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Anne Letting Gjeruldsen
Human Resource Manager

+47 92 69 68 64 /  (+47 35 54 86 14)

ISONOR Industrier has a flat and competent organization comprising employees with high competence and experience from working in the domestic and international oil and gas business as well as in other industrial areas. The organization is team based with short communication lines and decision processes.



The Board of ISONOR comprises Hans Petter Hansen (chair), Terje Hoem, Knut Einar Bordi, Kjell Gulliksen, Frode Roberto Rettore (Employee Representative) and Tommy Bjørnsti (Employee Reprsentative).


Hans Petter Hansen
Working Chairman of the Board

Hansen has 36 years of experience from working in the international energy and contracting industries including 13 years of overseas residence. He has 18 years of experience as Executive Vice President and/or Chief Executive Officer (CEO) in domestic and international smaller and mid-sized industrial companies as well as in a billion Euro stock-listed German company. Hansen was Member of the Board in Bilfinger Norway, 2000 – 2004, in Bilfinger UK, 2006 – 2009, Chairman of the Board in Bilfinger USA, 2008 – 2013 and Member of the Board in Brace Industrial Group, USA, 2013 – 2015.

Tommy Bjørnsti
Employee Representative

Bjørnsti has worked in the insulation branch for 22 years. He started in Scan Insulation in 1996 in Porsgrunn. Bjørnsti is a certified insulator and is also certified to control and approve fall prevention equipment. Bjørnsti has been the main spokesman in Fellesforbundet for 10 years.

Frode Roberto Rettore
Employee Representative

Rettore is a certified industry painter with 20 years of experience from working offshore and onshore on various projects. Rettore started working for BSM/NSL in 1999. In addition, Rettore is a certified Frosio inspector and working experience as supervisor, foreman, inspector, rigger, flagman, and §13 scaffolding builder. Further, Rettore is club leader and HSE spoksman for Parat, and is engaged in various work related to the union and sits in the apprentice approval committee for insulation, painting and scaffolding in Rogaland.

Knut Einar Bordi

Bordi is a certified insulator, his education covers Oslo Maritim Teknisk Fagskole and education as mechanical engineer from Høyskolen i Oslo. Bordi started in the ISP branch in 1987 and has worked for Bilfinger and Norisol as project leader, estimation manager, engineer, planner and field engineer.Bordi is now employed and part owner of ISO-Management in which he also participated in the start- up of the company.

Terje Hoem

Hoem started in the industry as insulator employed by Ikas AS in 1970. Hoem has worked for various companies in the ISP business like Norisol and Bilfinger. He has since 1973 primarily worked with architectural work related to the construction of living quarters for offshore installations and ships. The latest years, Hoem has been responsible for insulation, cladding and MC of the Johan Sverdrup LQ, and the HTTS modul for the Njord platform presently being built at Marine Aluminium AS.

Kjell Gulliksen

Gulliksen is a certified electrician Group L and H. Gulliksen has long experience from working in the oil and gas business in Norway as well as experience from the international ship and cruise liner industries. His key competence now cover architectural work in the oil and gas industry. Gulliksen is now employed and part owner of ISO-Management in which he also participated in the start- up of the company.

Health, Environment, Safety

ISONOR is an industrial leader with regard to health, environment and safety.

All activities shall be planned and organized in order to avoid accidents and incidents related to personnel, materials or pollution of external environment.

All accidents and incidents can be avoided.

Excellent leadership and motivation are key factors in order to achieve excellent safety.