documentclass[parskip=half, fleqn]{scrartcl}
usepackage[utf8]{inputenc}
usepackage[english]{babel}
usepackage[T1]{fontenc}

begin{document}
    begin{center}
        begin{tabular}{m{.27textwidth}|{.27textwidth}|p{.27textwidth}}
        OEM     & MNO       & 3PL\ hline
        begin{tabular}{@{tabitem}p{.22textwidth}}
            Manufacturing at low cost\
            Direct connections to suppliers and local distributors\
        end{tabular}
        %vspace{15em}
    %
        &begin{tabular}{@{tabitem}p{.22textwidth}}
            Customer relations\
            Distribution network (stores, website, etc.)\
            Brand management and marketing\
            network technology
        end{tabular} %vspace{0pt}
    %
        &begin{tabular}{@{tabitem}p{.22textwidth}}
            Logistics services and solutions \
            Value added IT\
            After sales services\
             documentclass[parskip=half, fleqn]{scrartcl}
        usepackage[utf8]{inputenc}
        usepackage[english]{babel}
        usepackage[T1]{fontenc}
        begin{center}
            begin{tabular}{m{.27textwidth}|{.27textwidth}|p{.27textwidth}}
        OEM     & MNO       & 3PL\ hline
        begin{tabular}{@{tabitem}p{.22textwidth}}
            Manufacturing at low cost\
            Direct connections to suppliers and local distributors\
        end{tabular}
        %vspace{15em}
    %
        &begin{tabular}{@{tabitem}p{.22textwidth}}
            Customer relations\
            Distribution network (stores, website, etc.)\
            Brand management and marketing\
            network technology
        end{tabular} %vspace{0pt}
    %
        &begin{tabular}{@{tabitem}p{.22textwidth}}
            Logistics services and solutions \
            Value added IT\
            After sales services\
            Inventory management,/,warehousing\
        end{tabular} %vspace{5pt} \
    end{tabular}
    end{center}
end{document}          Inventory management,/,warehousing\
        end{tabular} %vspace{5pt} \
    end{tabular}
    end{center}
end{document}