With the 27th edition published in 2024, the Test House Directory brand is well established as the leading source of information about test houses, testing services and test equipment manufacturers. Available in print (for subscribers), digital and online formats, these combine to provide easy to use reference sources for test, measurement, design and development engineers. New company entries on TestHouseDirectory.com are easy to organise. For more information please contact us and we can send you an interactive pdf to complete your entry.