Contractors / General go Results Found: 3 Button group with nested dropdown Ace Steel Construction, Inc. Ace Steel Construction, Inc. 4305 SE Grimes Blvd Grimes IA 50111 (515) 986-4479 Septagon Construction Company, Inc. Septagon Construction Company, Inc. 2950 SE Gateway Dr. Grimes IA 50111 515-986-7313 x 12 United Contractors United Contractors 6678 NW 62nd Ave. Johnston IA 50131 (515) 276-6162