- GLEN MILLS INC. offers a complete line of laboratory and production equipment for blending, milling, and sample preparation.The TURBULA Shaker-Mixer produces precision powder blends. Dry grinding mills (comminution) can pulverize any material from several inches down to submicron size.Cell disruptors and tissue homogenizers for biotechnology include the DYNO-MILL bead mill, SONICATOR Ultrasonic ...www.glenmills.com