Four Maine employers were honored for workplace safety by the workers’ compensation company MEMIC. Karl Siegfried, MEMIC senior vice president of loss control and safety services, paid tribute to Lewiston’s Compounding Solutions; Belfast’s Ducktrap River of Maine; Bangor’s Gaftek Inc.; and Smithfield’s Home Hope & Healing Inc. at the company’s annual meeting of policyholders last week, according to a release from MEMIC.