The Top 100 EMS Firms, Mostly

Reed Business has published its annual list of the largest contract assemblers. Inevitabily, the list contains its share of errors. For example, No. 76 ACT Electronics is credited with three facilities in the U.S. and one offshore; actually all four of the company’s plants are in the U.S. And No. 78 Gul Technologies makes bare boards, not assemblies.The list omits Cirtronics, whose sales would be safely inside the minimum to make the list. Some of the revenue estimates are either highly questionable or outright wrong as well.

But even with the mistakes, this list is always good fun to review, even if we can’t accept it all as hard fact.

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About Mike

Mike Buetow is president of the Printed Circuit Engineering Association ( He previously was editor-in-chief of Circuits Assembly magazine, the leading publication for electronics manufacturing, and PCD&F, the leading publication for printed circuit design and fabrication. He spent 21 years as vice president and editorial director of UP Media Group, for which he oversaw all editorial and production aspects. He has more than 30 years' experience in the electronics industry, including six years at IPC, an electronics trade association, at which he was a technical projects manager and communications director. He has also held editorial positions at SMT Magazine, community newspapers and in book publishing. He is a graduate of the University of Illinois. Follow Mike on Twitter: @mikebuetow