Heinz-Jürgen Preiss-Daimler

Valmieras Stikla Skiedra AS engages in the manufacture and trade of fiber glass. It operates through the Glass Fibre Fabrics and Glass Fibre Non-Woven Products. It offers chopped strands, single, twisted, and textured yarns, technical, composite, and textured fabrics, netting or mesh, needled and stich-bonded mats, and coated and laminated fabrics. The company was founded in 1959 and is headquartered in Valmiera, Latvia.

P-D Management Industries-Technologies GmbH engages in the manufacture of refractories. It also specializes in fiber glass making and processing. The company was founded by Heinz-Jürgen Preiss-Daimler on April 20, 1971 and is headquartered in Wilsdruff, Germany.

P-D Interglas Technologies GmbH manufactures reinforcement fabrics made from glassfibre, aramid, and carbon fibers. Their fabrics with special equipments suit excellent for the enhancement of rigid and composite laminates as well as thin laminates and prepregs for multilayers in conjunction with standard and special resins. The company is headquartered in Erbach, Germany

P-D Interglas Technologies GmbH produces technical fabrics. The firm offers PTPE, electrical insulations, composites, non-combustible glass fabrics, mineral wool lamination, and filtration services. The company is headquartered in Erbach, Germany.

Part of P-D Management Industries-Technologies GmbH, P-D Glasseiden GmbH Oschatz manufactures fiber glass. The company is based in Oschatz, Germany. The CEO of the German company is Markus Stephan.

P-D Refractories GmbH manufactures refractory products. It offers basic, magnesite, magnesia zirconium, spinel, silica, fused silica, fireclay, high-alumina, zirconium, chromium, silicon carbide, cordierite, magnetite storage heater, isostatically pressed, and lightweight insulation bricks. The company is headquartered in Wilsdruff, Germany.