AB Biosciences develops protein-engineering products, research reagents, and contract research services in Concord. It connects New England's life-sciences sector with Taiwan-affiliated business networks.

Advantech provides industrial computing, automation, and Internet of Things solutions. Headquartered in Taiwan, it serves regional customers through its Boston-area office.

ASE provides semiconductor packaging and testing services. The Taiwan-based group supports regional customers through its Boston sales and service center in Woburn.

AST Products develops medical-device coatings, ophthalmic devices, and surface-treatment services in Billerica, with business connections to Taiwan.

Axiomtek provides industrial embedded computers and system solutions. Its Methuen operation is part of a company headquartered in New Taipei City, Taiwan.

Delta Electronics provides power-management, energy, and automation solutions. The Taiwan-headquartered group has a Lowell office serving the Boston region.