AEI Corp. Ltd. engages in manufacturing, importing and exporting of aluminum extrusion sections, metal materials and other related products. It operates through two segments: Electronics & Precision Engineering and Construction & Infrastructure Building. The Electronics and Precision Engineering segment includes the manufacture of precision aluminum extrusions and includes electronic components, clean room accessories, automation equipment, and industrial machinery. The Construction and Infrastructure Building segment consists of public infrastructure, building construction, interior fixtures, and signage and advertising panels in the construction, civil engineering, and infrastructure building industries. AEI was founded on February 2, 1983 and is headquartered in Singapore.