Headquartered in Waltham, Massachusetts, Extech Instruments is one of the largest suppliers of test and measurement equipment worldwide. Founded in 1971, Extech is known for its depth and breadth of products and its innovation in providing instruments with unique combinations of features that make them highly useful and very convenient. All Extech meters are distributed worldwide through leading representatives, distributors and OEMs. The company is ISO 9001 2000 certified.
Narda Safety Test Solutions is the leader - worldwide - in Research & Development of EMF measuring equipment and holds 95% of all patents for EMF measurement. We've been manufacturing safety solutions since 1967 and have all the educational, training and product solutions you need.