• Shumen - headquarters,
    Industrial zone, base OKS
    Phone: 054 892 010;
    Mobile: 0896 779 983;
    Mobile: 0896 779 985;
    Fax: 054 892 011
    sbs_shumen17@abv.bg Monday - Friday 8:00 to 17:00 pm.
  • Varna,
    str. " Bregalnitsa " № 4
    Phone / Fax: 052 691 999;
    Mobile: 0895 799 543;
    Mobile: 0893 558 231;
    sbs_varna@abv.bg Monday - Friday: 8:30 to 18:30.
    Saturday: 10:00 to 14:00 h.
  • Burgas,
    str. " Slivnitsa " № 65
    Phone / Fax: 056 844 955;
    Mobile: 0893 558 232;
    Mobile: 0898 411 693;
    sbs_burgas@abv.bg Monday - Friday: 8:30 to 18:30 h. Saturday: 10:00 to 14:00 h.
  • Ruse,
    ul. "Nikolaevska" 5
    Phone / Fax: 082 820 024;
    Mobile: 0895 524 194;
    Mobile: 0895 799 543;
    sbs_ruse@abv.bg Monday - Friday: 10:00 to 18:30 h. Saturday: 10:00 to 14:00 h.