Firstronic (also known as LACROIX Electronics MI) is a provider of electronics manufacturing services (EMS), including turnkey electronic assembly and materials management services, to original equipment manufacturers (OEMs) in the electronics industry. Firstronic’s electronic manufacturing services consist primarily of the manufacture of complex printed circuit board assemblies (PCBAs) using through-hole and surface mount technology (SMT), and interconnection technologies including fine-pitch and mixed technology products.