| 1990 | IZOMAR Sp. z o.o. (Limited Liability Company) is established on the basis of 70-persons division of a state owned company. In the same year, we obtain the first order from Siekierki CHP for the insulation of electrostatic precipitators and flue gas ducts on the OP-230 boilers. |
| 1991 | We begin to implement construction projects abroad – we execute the ESP insulation on INKOO site in Finland. We also implement the first project together with the sound suppressive enclosures of the inductors for turbines No. 7 and No. 10 in Kozienice Power Plant. |
| 1994 | We introduce a new service on the market- refractory works. |
| 1995 | We execute the refractory of the first in Poland fluidized bed boiler Ofz-450 in Żerań CHP in Warsaw. |
| 1998 | We obtain ISO 9001 Certificate. |
| 2001 | We enter the structures of Rheinhold & Mahla AG Concern based in Munich. The name is changed into R&M IZOMAR Sp. z o.o. (Limited Co.). |
| 2002 | German Bilfinger Berger AG Concern based in Mannheim takes over the majority share in Rheinhold & Mahla AG. We adjust the our system to the new requirements. We receive ISO 9001:2000 Certificate |
| 2005 | fifteenth anniversary of R&M Izomar Ltd. |
| 2006 | obtaining the Occupational Health & Safety Management System Certificate of Conformity with the OHSAS 18001/PN N 18001 Norm and the Certificate of Conformity with the ISO 14001:2004 Environmental Management Standard Norm. The name Rheinhold & Mahla AG is changed into Bilfinger Berger Industrial Services AG. Revised lambda symbol for operative companies in Europe. |
| 2007 | Ranaming the name of the Company into the BIS Izomar, Ltd. The word/symbol logo is also changed. |
| 2010 | 20th Anniversary of BIS Izomar Sp. z o. o. We adapt existing systems to new requirements and received ISO 9001:2008 Certificate and SCC petro 2008/5.1 Certificate. |