Aaron Swan & Associates
                            PO Box 206
                            Pierre, SD 57501-0206
                            Phone: 605) 224-1742
                            www.aaronswan.com
                        
                            Aason Engineering Company
                            1022 Sixth Street SE
                            Watertown, SD 57201-5210
                            Phone: (605) 882-2371
                        
                            Agricultural Engineering Associates
                            1000 Promotory Drive
                            PO Box 4
                            Uniontown, KS 66779-0004
                            Phone: (316) 756-1000 or (800) 499-5893
                        
                            AGPROfessionals, LLC
                            3050 67th Ave, Ste 200
                            Greeley, CO 80634
                            Phone: (970) 535-9318
                            http://agpros.com
                        
                            Anez Consulting Inc.
                            Mike Nelson, P.E.
                            1700 Technology Dr NE, Suite 130
                            Willmar, MN 56201
                            Phone: (320) 235-1970
                            www.anezconsulting.com
                        
                            Banner Associates, Inc.
                            PO Box 298
                            Brookings, SD 57006
                            Phone: (605) 692-6342
                            www.bannerassociates.com
                        
                            Brosz Engineering, Inc.
                            PO Box 23
                            3030 Airport Road
                            Pierre, SD 57501-0023
                            Phone: (605) 224-1123
                        
                            Civil Design Inc.
                            609 Main Avenue South
                            Brookings, SD 57006
                            Phone: (605) 696-3200
                            Fax: (605) 696-3220
                            http://civildes.com
                        
                            Clark Engineering Company
                            1410 West Russell Street
                            Sioux Falls, SD 57104-1328
                            Phone: (605) 331-2505
                            http://www.clark-eng.com
                        
                            Dakota Environmental, Inc.
                            PO Box 636
                            Huron, SD 57350-0636
                            Phone: (605) 352-5610
                            http://dakotaenv.com
                        
                            DeHaan, Grabs, & Associates, LLC
                            4200 21st Street SE Unit 101
                            Mandan, ND 58554-0522
                            Phone: (701) 663-1116
                            http://www.dgaengineering.com
                        
                            DeWild Grant Reckert and Associates Co (DGR)
                            2909 East 57th Street, Suite 101
                            Sioux Falls, SD 57108
                            Phone: (605) 339-4157
                            http://dgr.com/home
                        
                            Geotek Engineering & Testing Services, Inc.
                            909 East 50th Street North
                            Sioux Falls, SD 57104-0601
                            Phone: (605) 335-5512
                            http://geotekeng.com
                        
                            Helms & Associates
                            221 Brown County Highway 19
                            PO Box 111
                            Aberdeen, SD 57402-0111
                            www.helmsengineering.com
                        
                            Johnson Engineering
                            210 West 3rd
                            P.O. Box 672
                            Yankton, SD 57078-0672
                            Phone: (605) 665-5571
                            http://johnsonengineeringcompany.com
                        
                            John Ries, P.E.
                            205 Spruce Court
                            Elk Point, SD 57025-2161
                            Phone: (605) 761-0176
                        
                            K2S Engineering
                            4209 94th Ave SE
                            Ypsilanti, ND 58497
                            Phone: (701) 489-3322
                            http://www.k2sengineering.net
                        
                            McLaury Engineering
                            118 West Main
                            PO Box 1130
                            Elk Point, SD 57025-1130
                            Phone: (800) 499-2308
                            http://www.mclauryengineering.com
                        
                            Natural Resources Conservation Service (NRCS)
                            Ag Nutrient Management Team
                            John Lentz, Team Leader
                            1820 North Kimball Street
                            Mitchell, SD 57301-1114
                            Phone: (605) 996-1564 Ext. 5
                            john.lentz@sd.usda.gov
                        
                            NJS Engineering
                            PO Box 226
                            Spearfish, SD 57783-0226
                            Phone: (605) 642-4772
                        
                            Pierce & Harris
                            Suite 15 Masonic Building
                            PO Box 1384
                            Huron, SD 57350-1384
                            Phone: (605) 352-5382
                        
                            ProAg Engineering, Inc.
                            Nic Rowe, P.E.
                            507 Milwaukee St
                            PO Box 992
                            Lakefield, MN 56150
                            Phone: (507) 662-5538
                            www.proageng.com
                        
                            Schmitz Kalda & Associates Inc
                            320 North Main Avenue #A
                            Sioux Falls, SD 57104-6043
                            Phone: (605) 332-8241
                            http://schmitzkaldainc.com
                        
                            Schmucker, Paul, Nohr & Associates
                            PO Box 398
                            Mitchell, SD 57301-0398
                            Phone: (605) 996-7761
                            http://www.spn-assoc.com
                        
                            Scott Engineering Company
                            PO Box 1414
                            707 South Maple Street
                            Watertown, SD 57201-6414
                            Phone: (605) 886-5725
                            Fax: (605) 886-6788
                            http://scottengineeringco.com
                        
                            Settje Agri-Services & Engineering
                            4700 West Rock Creek Road
                            Raymond, NE 68428-4199
                            Phone: (402) 783-2100
                            http://settje.com
                        
                            Skonard Engineering Inc.
                            Cris Skonard
                            1580 60th Ave NE
                            Willmar, MN 56201
                            Phone: (320) 905-5020
                        
                            Stockwell Engineers
                            201 Walnut Street
                            Yankton, SD 57078
                            Phone: (605) 665-8092
                            www.stockwellengineers.com
                        
                            Sunderland Engineering PLLC
                            Toby Sunderland
                            2030 75th ST SE
                            Maynard, MN 56260
                            Phone: (320) 226-6627
                            http://sunderland-engineering.com
                        
                            Wenck & Associates, Inc.
                            Dennis Johnson
                            PO Box 453
                            Windom, MN 56101-0453
                            Phone: (507) 831-2703
                            www.wenck.com
                        
                            Lund Engineering & Environmental, LLC
                            Nathan Lund, President
                            4704 S. Dunlap Ave.
                            Sioux Falls, SD 57106
                            Phone: (605) 370-3430
                        
Updated: January, 2017