Lydall Thermal/Acoustical Metals, a division of Lydall, Inc. , today announced that the Lydall Gerhardi operation in Meinerzhagen, Germany was recently recognized with General Motors' Supplier Quality Excellence Award for the second consecutive year. This award is given to only a small fraction of top-performing suppliers who have met or exceeded a very stringent set of quality performance criteria and have achieved cross-functional support of the entire General Motors organization.