In 1865, he was one of the founders of the private bank of H. Groby & Co., and a principal in the Miami Valley Paper Company, which he organized in 1871.
ɪn wˈʌn θˈaʊzənd ˈeɪthˈʌndɹɪd sˈɪksti fˈaɪv, hiː wʌz wˈʌn ʌvðə fˈaʊndɚz ʌvðə pɹˈaɪvət bˈæŋk ʌv ˈeɪtʃ. ɡɹˈoʊbi ænd kˈoʊ., ænd ɐ pɹˈɪnsɪpəl ɪnðə maɪˈæmi vˈæli pˈeɪpɚ kˈʌmpəni, wˌɪtʃ hiː ˈɔːɹɡənˌaɪzd ɪn wˈʌn θˈaʊzənd ˈeɪthˈʌndɹɪd sˈɛvənti wˈʌn.