ISE Labs is a one-stop semiconductor engineering service provider. We offer a full spectrum of services related to the assembly, packaging, and testing of ICs. Scalable resources on demand. Grow your company with minimum overhead with ISE. We offer our customers full flexibility: individual services or our full turnkey solution. ISE Labs, a member of ASE, is the largest semiconductor testing service provider in the U.S. ISE Labs is conveniently headquartered in the heart of California's Silicon Valley.