MSC member MarkWest “excited to expand processing capacity w aspwv2014-06-02T00:00:00-04:00June 2nd, 2014|Twitter| MSC member MarkWest “excited to expand processing capacity with the addition of new facilities in Butler County.” http://t.co/HZ1AoSZ8kY Share This Story, Choose Your Platform! FacebookTwitterRedditLinkedInWhatsAppTumblrPinterestVkEmail