| Company | Address | Phone | Area |
| B & H Masonry | 507 North Roosevelt Street Aberdeen, SD 57401 | 605-226-2215 | Chapter 03SD |
| Block Masonry | 1215 Enchantment Rd. Rapid City, SD 57701 | ||
| Fabcon Inc. | 12520 Quentin Ave S, Ste 200 | 952-888-0268 | Chapter SD |
| Fichter/Davey Masonry Construction Inc. | 3810 Parkridge Drive Rapid City, SD 87702 | 605-381-3302 | Chapter 04SD |
| Guy Neilson Co. | PO Box 2029 Pocatello, ID 83206 | 208-233-2693 | Chapter SD |
| Hard Rock Stone Works | 44038 Phoenix Drive Sterling Heights, MI 48314 | 586-532-7763 | Chapter 04SD |
| J & D Masonry Inc. | 42260 257th St. Alexandria, SD 57311 | 605-239-4452 | Chapter 01SD Chapter 05SD |
| Jensen Masonry Inc. | 3905 S. Western Ave. Ste 200 Sioux Falls, SD 57105 | 605-366-0207 | Chapter 01SD Chapter 05SD |
| Johnson-Nelson Masonry | P.O. Box 180 Ashby, MN 56309 | 218-747-2063 | Chapter 01SD Chapter 05SD |
| Knudson Masonry LLC | 525 Broadway, PO Box 56 Centerville, SD 57014 | 605-351-7627 | Chapter 01SD Chapter 02SD |
| M & L Masonry Inc. | 3801 S. Kiwanis Ave. Sioux Falls, SD 57105 | 606-988-0714 | Chapter 01SD |
| Midwestern Masonry Inc. | 2418 N. Plantagenet Rd. SW Bemidji, MN 56601 | 218-751-9478 | Chapter SD |
| O'Hara Masonry Inc. | 25580 472nd Ave. Renner, SD 57055 | 605-543-6979 | Chapter 01SD |
| Pat Leibel Const. | 25574 Stoneway | 605-940-9372 | Chapter 01SD |
| Reiners Masonry Inc. | 27545 467th Ave. Lennox, SD 57039 | Chapter 01SD | |
| S & S Masonry Inc. | 651 2nd St. SE Wagner, SD 57380 | 605-384-4545 | Chapter 01SD Chapter 02SD |
| Urevig Masonry, Inc. | 2309 Stadheim Drive Watertown, SD 57201 | 605-886-5528 | Chapter 05SD |
| Walter Ree Masonry Const. Inc. | 1501 S. Gary Dr. Sioux Falls, SD 57103 | 605-338-1669 | Chapter 01SD Chapter 05SD |
| West River Masonry | 5508 West Elm Street Black Hawk, SD 57718 | 605-787-5389 | Chapter 04SD |
| Williams Masonry Inc. | 1020 N. Harmon Dr. Mitchell, SD 57301 | 605-996-6296 | Chapter 01SD |