SGL Carbon to Invest $26M in Ozark Plant by Lance Turner Posted 4/17/2013 11:07 am Updated 5 years ago SGL Carbon announced Tuesday that it will invest $26 million in its Ozark manufacturing facility, purchasing equipment for a new workshop it aims to complete by June 2015. Want the Full Article? Get Unlimited Archive Access for $19.95 per Year Readers must pay to access articles older than 15 days. Articles newer than 15 days are not included in this offer. Purchase Now Already have archive access? Login to view this article.