SGL Carbon to Invest $26M in Ozark Plant by Lance Turner Posted 4/17/2013 11:07 am Updated 3 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 stories older than 15 days. Purchase Now Already have archive access? Login to view this article.