- Viktor Melynik, Bugarska, Mob.+359 898 321033, e-mail: v_melnyk@abv.bg
- Zoran Kolin, Slovenija / Celje, +386 34 915830
- Zvonko Šverko, Pula, Tel. 052/218070, Mob. 098/739043
- Božo Benčić, Pula, Tel. 052/534482
- Josip Kuček, Radnička 2, 42 220 Novi Marof, Tel. 042/611-294; Mob. 098/92-06-778
- Ivan Petrović, Zagreb, 098/292-600
- Žarko Perak, Bjelovar 043/235-105; 098/949-64-36
- HARMONI – Obrt za popravak glazbenih instrumenata, Žutnica 50A, 49000 Krapina Kontakt: mob. 091 / 375 2799, e-mail: harmoni.servis@gmail.com
- Trgovina zvok in servis glasbil Milan Žižek, Gančani 115c, 9231 Beltinci; +386 31 862 097
- SERVIS HARMONIKA – www.servisharmonika.com, tel/fax: 01/6520 – 012 mob: 098/9387-167, 091/5502-151, e-mail: info@servisharmonika.com, kontakt osoba: Ante Kaurinović
- Veso & Pego d.o.o. za servis harmonika, Ulica Matije Gupca 35, 35000 Slavonski Brod, e-mail: pego0205@yahoo.com, Predrag Gradić-Pego, mob: 098/263-039, Veselin Gradić-Veso, mob: 091/514-3909, http://www.veso-pego.hr
- Denis Šarić, Čakovec, mob: 091/555-4155
- Servis i štimanje harmonika Jugec, Jakuševečka 23, Jakuševec, 10010 Novi Zagreb, Mob: 099/285 5800, E-mail: igorjugec@yahoo.com