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  • Plain Black Corporation
    Plain Black Corporation
    (312) 264-5382
    1060 Manchester Cir, 60030  Grayslake

    Plain Black makes WebGUI, the most versatile open source content management system available. We offer support, training, and customization of WebGUI and the technologies related to it. We built WebGUI and know the ins and outs of where it's been, where it is, and most importantly where it's going.…