Alpha Engineered Composites Alpha has served as the benchmark for excellence, peerless quality, and unmatched service. | HKO - Heat Protection HKO-group is one of the world leading suppliers of high performance thermal insulation | Isoleika - Insulation Panels Isoleika guarantees the best thermal solution for appliances, construction, transportation & industrial applications | Valmiera Glass With more than 50 years’ expertise in glass fibre textile processing and proven product quality |