When Arthur George Diack invented the world's first Aluminum Showcase Corner Assembly, A. Geo. Diack, Inc. established itself as an innovator and leader of "Custom Knock-Down Store Fixtures". From a single original patented design, we now offer a complete line of Store Fixtures. Each Fixture is custom  fabricated to YOUR specifications. Our inventory includes over 300 stock aluminum extrusion shapes in 9 stock finishes. We do not supply glass, wood, or assembly. Our growth has been achieved through a commitment to INNOVATION, QUALITY, and SERVICE.