Dotnet Kft, Budapest, Hungary, www.dot-net.hubosnyak.aron@dot-net.hu

FTB Network Technologies AB, Strängnäs, Sweden, aron.bosnyak@ftbnt.hu

Eddies Billackering AB, Strängnäs, Sweden, aron.bosnyak@eddiesbil.se

AntCom Kft,  Hungary, www.antcom.huantcomkft@gmail.com

Kensai Kft,  Hungary, www.kensai.hucserenyi.andras@kensai.hu

Agrisol Kft,  Hungary, www.agrisol.huinfo@agrisol.hu

Väst Gynkonsult AB, Sweden, kullomezo@yahoo.co.uk

Mechanical Engineering Secondary School in Novi Sad, Serbia, https://www.masinskans.edu.rs/

Fourity Digital Agency, www.fourity.com, office@fourity.com

SA Consulting GmbH, www.s-а-consulting.com, a.celovic@s-a-consulting.com

Normal Architecture Group, www.NAO.NYC

The public utility company “Vodovod i kanalizacija”, Novi Sad, Serbia, https://www.vikns.rs/, nikica.ivic@vikns.rs

The public company “Srbijagas”, Serbia, https://www.srbijagas.com/, miroslav.lekic@srbijagas.com

Gymnasium “Svetozar Marković”, Novi Sad, Serbia, https://s-markovic.edu.rs/, gim.markovic@gmail.com

Technical school, Kikinda, Serbia, https://tsk.edu.rs/, skola@tsk.edu.rs

Green Mile Team d.o.o., http://www.greenmileteam.com/, office@greenmileteam.com

Faculty of Mechanical and Civil Engineering in Kraljevo, University of Kragujevac, Serbia, http://www.mfkv.kg.ac.rs/en/

The newspapers of Kikinda (Нове кикиндске новине), Kikinda, Serbia, http://kikindske.rs/

Gymnasium and High School of Economy “Jovan Jovanovic Zmaj”, Odzaci, Serbia, http://www.gesjjz.edu.rs/, gesjjz@gmail.com

MIS Sistem d.o.o., https://www.missistem.co.rs/

The Chair for Fluid Mechanics, Faculty of Mechanical Engineering, University of Belgrade, Serbia, http://fluidi.mas.bg.ac.rs/,  аcocic@mas.bg.ac.rs

The Chair for Hydraulic Machinery and Energy Systems, Faculty of Mechanical Engineering, University of Belgrade, Serbia, http://hidro.mas.bg.ac.rs/, djcantrak@mas.bg.ac.rs

Provincial Secretariat for Energy, Construction and Transport, Autonomous Province of Vojvodina, Republic of Serbia, http://www.vojvodina.gov.rs/,  nebojsa.vojnovic@vojvodina.gov.rs, Klara.Balog@vojvodina.gov.rs

Gymnasium “Zarko Zrenjanin”, Vrbas, Serbia, https://gimnazijavrbas.edu.rs/, gimvrbas@mts.rs

Gymnasium and High School of Economy “Svetozar Miletic”, Srbobran, Serbia, https://gimnazija-srbobran.edu.rs/, gimnazissrbobran@mts.rs

Gymnasium “Jan Kolar”, Backi Petrovac, Serbia, http://www.jankollar.org/sr/, gjkbp19@gmail.com

The Public Broadcasting Service “Radio-television of Vojvodina”, Serbia www.rtv.rs, kabinet@rtv.rs

Faculty of Mechanical Engineering, University of Banja Luka, Bosnia and Hecegovina, http://mf.unibl.org/, sasa.lalos@mf.unibl.org

Department for Hydro and Geo technique, Faculty of Civil Engineering, University in Rijeka, Rijeka, Hrvatska, https://www.gradri.uniri.hr/, elvis.zic@uniri.hr

Faculty of Mechanical Engineering, University of Sarajevo, Bosnia and Hercegovina, https://www.mef.unsa.ba/, hasecic@mef.unsa.ba

Faculty of Technical Sciences, “St. Kliment Ohridski” University, Bitola, Republic of Northern Macedonia, http://www.tfb.edu.mk/,  vladimir.mijakovski@tfb.uklo.edu.mk

Politechniqe Faculty, University of Zenica, Bosnia and Hercegovina, , https://ptf.unze.ba/, eberberovic@ptf.unze.ba

Biosens, Novi Sad, Serbia, https://biosens.rs/

Lublin University of Technology, Faculty of Mechanical Engineering, Lublin, Poland, http://www.pollub.pl/, Full Prof. Hubert Debski

Terming, Kula, Serbia, https://termingkula.rs/sr/terming-index

Uljarice Bačka, Novi Sad, Serbia, http://www.uljaricebacka.com

Grejač – Komerc d.o.o., Serbia, http://www.grejac-komerc.co.rs/

Faculty of Engineering and Management of Hunedoara, Politechnica University Timisoara, Hunedoara, Romania, https://www.upt.ro/Informatii_engineering-and-management-of-hunedoara_90_en.html, imre.kiss@fih.upt.ro

Centrogas, Novi Sad, Serbia, http://www.uljaricebacka.com/en

Iva Procesna Oprema, Aranđelovac, Sеrbia, www.ivaprocesnaoprema.com

Gradski online, https://gradski.online/, Saša Urošev

Inženjering kompanija d.o.o., Smederevo, Serbia, http://www.engineering.co.rs/druga.htm

AllerAqua Balkan, Industrijska zona bb, Sečanj, Serbia, https://www.aller-aqua.com/press/aller-aqua-balkan

Tapflo, https://www.tapflo.rs/, sales@tapflo.rs,

AxFlow, https://www.axflow.com/sr-rs/kontakt,  ognjen.nesovic@axflow.rs

Frezal d.o.o., http://www.frezal.rs/index.html, office@frezal.co.rs

Gymnasium “Laza Kostic”, Novi Sad, Serbia, http://www.gimnazijalazakostic.edu.rs , lakogim@gmail.com

Gymnasium „20. October“, Backa Palanka, Serbia, https://gimnazijabp.edu.rs/. direktor@gimnazijabp.edu.rs

Secondary Technical School „Mileva Maric – Einstein“, Novi Sad, Serbia, http://mmaricajnstajn.edu.rs/ , mileva.ajnstajn021@gmail.com

Secondary Technical School „Pavle Savic”, Novi Sad, Serbia, http://tspavlesavic.edu.rs/, tspavles@nspoint.net

GranExport d.o.o., Pancevo, Serbia, https://www.granexport.rs