| GAMAMAG s.r.o. | 22353160 | Zlatníky-Hodkovice | 10 December 2024 | Active |
| WITKOWITZ ENVI a.s. | 04528131 | Ostrava | 2 November 2015 | Active |
| Tamala system a.s. | 04508149 | Horní Slavkov | 23 October 2015 | Active |
| G.A.M. RecuHeat spol. s r.o. | 01710150 | Nové Strašecí | 10 June 2013 | Ceased |
| EMC Group s.r.o. v likvidaci | 24142492 | Rozvadov | 27 July 2011 | Ceased |
| Kompresservis s.r.o. | 24800627 | Libeř | 31 January 2011 | Active |
| Ondřejovická strojírna, a.s. | 29026008 | Ostrava | 1 February 2010 | Active |
| BAEST Machines & Structures, a.s. | 28939131 | Benešov | 29 July 2009 | Active |
| GASTROMO s.r.o. | 28016165 | Nýrsko | 28 April 2008 | Active |
| AgroStar cisterny s.r.o. | 27702944 | Velká Bíteš | 10 October 2006 | Active |
| KADATEC s.r.o. | 27449530 | Zdislavice | 3 May 2006 | Active |
| EUROINSTAL s.r.o. v likvidaci | 26305887 | Zlín | 28 November 2002 | Active |
| PRUMCHLAD s.r.o. | 25966219 | Čermná nad Orlicí | 15 March 2002 | Active |
| PV-Czech, s.r.o. | 25889699 | Praha | 22 September 2001 | Active |
| TEPLO Praha spol. s r.o. | 26448637 | Praha | 24 April 2001 | Active |
| DUKLA CZ, s.r.o. v likvidaci | 25935585 | Trutnov | 9 March 2000 | Active |
| MEGA - EKO s.r.o. | 25849425 | Štěpánov | 2 December 1999 | Active |
| AMP Chomutov a.s. | 25402188 | Chomutov | 11 May 1999 | Active |
| TOSAP-CZ, s.r.o. | 25561707 | Škrdlovice | 21 April 1999 | Active |
| KS-System s.r.o. | 25755358 | Praha | 16 April 1999 | Active |
| ACTUAL 98 s.r.o. | 25917722 | Praha | 11 March 1999 | Active |
| INSTALACE VOTAVA s.r.o. | 25738593 | Praha | 18 February 1999 | Active |
| Kovozal s.r.o. | 25298917 | Zálší | 22 December 1998 | Active |
| STELO OIL spol. s r.o. | 25826301 | Olomouc | 8 December 1998 | Active |
| BTK Praha s.r.o. | 25672177 | Praha | 8 June 1998 | Active |
| Tiziano Ferrais, organizační složka České Budějovice | 60821345 | České Budějovice | 2 December 1997 | Active |
| SEKOS Ústí nad Labem, s.r.o. | 25016938 | Ústí nad Labem | 4 March 1997 | Active |
| Atherm s.r.o. | 25322958 | Brno | 20 December 1996 | Active |
| Fluokov s.r.o. | 25013840 | Teplice | 18 December 1996 | Active |
| REVIGAS - LPG s.r.o. v likvidaci | 25260553 | Rosice | 19 November 1996 | Active |
| BMP Bohemia s.r.o. | 64834816 | Jenišov | 3 July 1996 | Active |
| JUNKVEL s.r.o. v likvidaci | 64619613 | Třešť | 3 July 1996 | Active |
| Dodávky Technologických Celků, s.r.o. | 64610438 | Ostrava | 28 September 1995 | Active |
| Montáže Černoch, spol. s r.o. | 60752572 | Dětkovice | 19 July 1995 | Active |
| TEPLOEFEKT a.s. v likvidaci | 62742086 | Ústí nad Labem | 10 May 1995 | Active |
| GAMA J + P, společnost s ručením omezeným | 60749911 | Adamov | 26 April 1995 | Active |
| De Dietrich Process Systems CZ spol. s r.o. | 63219379 | Chlumec nad Cidlinou | 25 April 1995 | Active |
| SAP CZ s.r.o. | 62502247 | Praha | 19 January 1995 | Active |
| KZ Mont spol. s r.o. | 62411519 | Praha | 28 December 1994 | Active |
| PROCONT s.r.o. | 60710870 | Luhačovice | 3 August 1994 | Active |
| Autokov České Budějovice s.r.o. | 60617497 | Hosín | 14 June 1994 | Active |
| SLOVING, spol. s r.o. v likvidaci | 60705787 | Brno | 30 May 1994 | Active |
| PLASTING, s.r.o. | 60707810 | Brno | 23 May 1994 | Active |
| PRONEO, s.r.o. | 60278960 | Ústí nad Labem | 21 March 1994 | Active |
| POMAR CZ s.r.o. | 60826088 | Praha | 17 February 1994 | Active |
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| NTS, s.r.o. | 49452339 | Brno | 10 November 1993 | Active |
| "ENERGOMONTÁZ - PÓLNOC" S.A. | 47326115 | Most | 27 September 1993 | Active |
| MOAS - VPZ spol. s r.o. | 47454547 | Jevíčko | 15 February 1993 | Active |