CIVIL ENGINEERING go Results Found: 5 Stockwell Engineers, Inc. 801 N. Phillips Ave. Suite 100 Sioux Falls SD 57104 (605) 338-6668 HDR, Inc. HDR, Inc. 6300 South Old Village Place Suite 100 Sioux Falls SD 57108 (605) 977-7740 DGR Engineering 2909 East 57th Street Sioux Falls SD 57108 (605) 339-4157 Sayre Associates Sayre Associates 216 S. Duluth Ave Sioux Falls SD 57104 (605) 332-7211 Infrastructure Design Group, Inc. 3241 E. Bison Trail Sioux Falls South Dakota 57108 (605) 271-5527
