Premier Mill, A Lightnin Company, announced the recent appointment of Steve Thompson to general manager. Mr. Thompson brings years of global experience in operations, sales, marketing and acquisitions to the position. Most recently, he was vice president of business development for PCC/Flow Technologies, Houston, TX.      Premier Mill also announced the recent promotion of Carl Yerger to the position of national sales manager. Mr. Yerger will oversee all U.S. sales and the integration of Light...