Some are large companies that own the entire process for economic reasons; others are small- or micro-batch producers and aim to control the whole process to improve quality, working conditions, or environmental impact.
sˌʌm ɑːɹ lˈɑːɹdʒ kˈʌmpəniz ðæt ˈoʊn ðɪ ɛntˈaɪɚ pɹˈɑːsɛs fɔːɹ ˌiːkənˈɑːmɪk ɹˈiːzənz; ˈʌðɚz ɑːɹ smˈɔːl ɔːɹ mˈaɪkɹoʊbˈætʃ pɹədˈuːsɚz ænd ˈeɪm tə kəntɹˈoʊl ðə hˈoʊl pɹˈɑːsɛs tʊ ɪmpɹˈuːv kwˈɔlᵻɾi, wˈɜːkɪŋ kəndˈɪʃənz, ɔːɹ ɛnvˌaɪɹənmˈɛntəl ˈɪmpækt.