Grand Transformers (GTI), a Grand Haven, Mich.-based designer and manufacturer of transformers, and inductors, acquired Warner, N.H.-based Warner Power, a leader in the design and manufacture of electrical transformers and power systems.  Warner Power provides highly engineered power conversion products that improve process reliability and efficiency for a broad range of industries worldwide. The acquisition of Warner Power provides GTI with access to new technical capabilities and industries. The manufacturing facilities of both companies will continue production in order to service current clients and capitalize on shared geographies.