Providers with the Bulgarian locale (bg).
Other bg:
CompanyProvider_bg_BG,
InternetProvider_bg_BG,
InternetProvider_en_NZ,
PersonProvider_bg_BG,
PhoneNumberProvider_bg_BG
Other languages:
arabic-language,
bosnian-language,
chinese-language,
croatian-language,
czech-language,
danish-language,
dutch-language,
english-language,
farsi-language,
finnish-language,
french-language,
german-language,
greek-language,
hebrew-language,
hindi-language,
hungarian-language,
indonesian-language,
italian-language,
japanese-language,
korean-language,
latin-language,
latvian-language,
lithuanian-language,
norwegian-language,
polish-language,
portuguese-language,
russian-language,
spanish-language,
swedish-language,
thai-language,
turkish-language,
ukrainian-language