Opti Manufacturing Corporation is a family-owned company based in Luquillo, Puerto Rico. Opti’s feature product is a unique cable tensiometer, and it also specializes in wiring harness and cable assemblies for aerospace and military applications. A takeover of the former HTL Caribe plant, a subsidiary of Pacific Scientific Company, Opti acquired the rights to manufacture, sell, and service all Pacific Scientific Aircraft products in 1990. Throughout the years the company has gained expertise in a wide variety of products, from simple interconnect cables to completely environmentally sealed, multi-connection assemblies suitable for use in harsh environments. With around 15 employees, Opti Manufacturing is one of the few third tier companies in Puerto Rico.