Teseq – formerly Schaffner Test Systems – is a leading international high-tech company for EMC test systems. We develop and manufacture test instruments, software and accessories for EMC emissions and immunity testing. Our product range is broad and unique. We secure a leading role for our customers in the international market through our innovative and compliant solutions and reliable test results. Our clients work in testing and development laboratories, research institutes and centers of education. We do not compromise when it comes to quality control. As a rule, our hardware and software are thus manufactured under one roof, including the final assembly and test. We pay particular attention to product design and ease-of-use.
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The Teseq annual revenue was $23.5 million in 2026.
11 people are employed at Teseq.
Teseq is based in Edison, New Jersey.
The NAICS codes for Teseq are [334515, 33451, 3345, 33, 334].
The SIC codes for Teseq are [382, 38].