| Tammy | Achtien | Accounts Payable Specialist | 605-718-7419 | |
| Zach | Ahlstrom | Sr. Project Manager | 307-683-8345 | 307-423-8929 |
| Kanice | Aldridge | Construction Clerk | 605-718-5312 | |
| Garret | Aman | Manufacturing Manager | 605-394-3300 | 605-920-8888 |
| Adam | Bauer | Sr. Estimator | 605-718-5317 | 605-591-9938 |
| Darryl | Birge | Safety Manager | | 605-591-0286 |
| Zane | Broman | Assistant Paving Superintendent | | 605-390-2669 |
| Sam | Burnison | Project Engineer | 605-394-3300 | 605-219-4025 |
| David | Cahoy | Ready Mix Driver | | 605-939-5899 |
| Chuck | Carney | Hot Springs Batch Plant Operator | 605-745-5206 | |
| Patty | Cleberg | Centennial Quarry Scale Clerk | 605-578-2640 | |
| Leroy | Cleberg | Wash Plant | 605-578-2640 | 605-390-6258 |
| Kelli | Craft | Sales & Logistics Representative | 605-718-7529 | 605-608-0458 |
| Tim | Crosby | Project Manager /Estimator | 307-363-8360 | 307-248-8205 |
| Dave | Cutts | Aggregate Foreman | | 605-591-9246 |
| Alan | Davis | RC Redi-Mix Batch Plant Operator | | 605-515-0492 |
| Shantell | Davis | Accounts Receivable Specialist | 605-718-7503 | |
| Wyatt | Dodge | Safety Specialist | | 605-580-0749 |
| Blaze | Dugan | Paving Foreman | | 605-633-6910 |
| Lindsey | Egger | Scale Clerk | 307-363-8358 | 307-751-1642 |
| Victor | Espinosa | Paving/Chip Foreman | 605-394-3300 | 605-390-8440 |
| Joe | Ford | Aggregate Manager 2 | 605-340-8658 | 605-645-3224 |
| Ivy | Foster | Sr. Project Manager | 605-718-5344 | 605-858-5390 |
| Justin | Foster | QC Manager | | 605-591-0728 |
| Kyle | Fuoss | Estimator | 605-718-5341 | 605-920-0553 |
| Darren | Gebhart | Sr. Operations Manager | 607-718-7502 | 970-520-5032 |
| Mary | Genzlinger | Accounting Assistant | 605-718-5260 | |
| Cheryl | Gustafson | Regional Manager | 605-394-3300 | 307-343-0251 |
| Brad | Hamilton | Batch Plant Operator | 605-718-5313 | 605-219-0595 |
| Katie | Hanneken | HR Representative | 605-718-5323 | 605-838-7540 |
| Justin | Hogan | Construction Foreman | 307-682-8407 | 307-287-8651 |
| Vicky | Horst | Contract Administrator | 605-394-3300 | |
| Warren | Jaasund | Construction Foreman | 605-394-3300 | 605-390-8426 |
| Jim | Jacques | Construction Superintendent | 307-363-8367 | 307-251-1296 |
| Aaron | Kolar | Electrician | | 605-591-0289 |
| Darryle | Lackey | Mechanic | 605-745-5206 | 605-890-0997 |
| Ben | Lang | Construction Foreman | | 605-645-6186 |
| Mike | Lee | Agg/QC/Environment Manager | 605-394-3300 | 605-390-8439 |
| John | Lee | RM Plant Foreman | 605-877-6970 | |
| Patrick | Malfitano | Sales & Transportation Manager | | 605-430-1641 |
| Thomas | Massa | Project Engineer | | 605-920-9183 |
| Burt | McCann | WY Shop Manager | 307-363-8363 | 307-680-7717 |
| Dustin | McCann | Plant Supervisor | 307-672-8407 | 307-680-1741 |
| Donna | Messer | Office Administrator | 605-718-5321 | |
| Erin | Nemec | Asst Regional Controller | 605-718-5359 | |
| Tim | O'Neill | Paving Foreman | | 307-620-1424 |
| Nate | Oliver | Aggregate Production Manager | 605-394-3320 | 605-390-9190 |
| Clint | Painter | Asphalt/Emulsion Plant Superintendent | 605-718-7527 | 605-645-0198 |
| Dean | Paschke | Equipment Manager | 605-718-5388 | 605-430-2457 |
| Ricky | Perry | Emulsion Plant Operator | | 605-608-0953 |
| Matt | Peterson | Mechanic | 307-672-8407 | 307-751-4437 |
| Russell | Rohde | QC Tech | 307-682-8407 | 307-622-8664 |
| Jodi | Ruggieri | Scale Clerk | 605-745-5206 | |
| Ruby | Schaefer | Staff Accountant | 605-718-5307 | |
| Tom | Schumacher | Construction Operations Manager | 605-394-3300 | 605-391-2778 |
| Ryan | Skillingstad | Project Engineer | 605-718-5319 | 605-215-4758 |
| Ken | Starrett | Plant Superintendent | 307-363-8372 | 307-680-7708 |
| Ross | Swedeen | Ready Mix Superintendent | | 605-591-26663 |
| Les | Tiltrum | Shop Manager | 605-718-5399 | 605-390-8407 |
| Cindy | Vissia | Shop Administrator | 605-718-5384 | 605-390-8421 |
| Jason | Walker | Construction Foreman | | 605-415-1248 |
| Dominic | Williams | Regional Controller | 605-718-0168 | 605-415-1251 |
| Sarah | Wipf | Territory Sales Representative | 605-269-7271 | 605-503-5587 |
| Kelsey | Woodhouse | Contract Administrator | 307-682-0689 | |
| Francis | Zeimet | Superintendent | 605-745-5206 | 605-890-5206 |
| Justus | Kramer | IT Field Technician | 307-772-3258 | 307-823-2789 |
