| Patty | Cleberg | Centennial Quarry | 605-578-2640 | |
| Joe | Ford | Centennial Quarry Superintendent | 605-340-8658 | 605-645-3224 |
| Harley | Munneke | Custer Batch Plant Mixer Driver | 605-673-4670 | 605-390-3774 or *605-381-9567 |
| Russell | Rohde | QC | 307-682-8407 | 307-622-8664 |
| Burt | McCann | Wyo. Shop Manager | 307-363-8363 | 307-680-7717 |
| Jim | Jacques | Construction Superintendent | 307-363-8367 | 307-251-1296 |
| Josh | Shein | Operations Manager | 307-682-8407 | 307-689-2253 |
| Justin | Hogan | Construction Foreman | 307-682-8407 | 307-287-8651 |
| Ken | Starrett | WY Hot Plant Supervisor | 307-363-8372 | 307-680-7708 |
| Tim | Crosby | Project Manager /Estimator | 307-363-8360 | 307-248-8205 |
| Nickolas | Graf | Truck Driver | 605-745-5206 | |
| Richard | Spears | Mixer Driver | 605-745-5206 | |
| Robert | Aaberg | Blade Operator | 605-745-5206 | |
| Robert | Hatch | | 605-745-5206 | |
| Shanon | Kitzman | Truck Driver | 605-745-5206 | |
| Cole | Nielson | Loader Operator | 605-745-5206 | |
| Darryle | Lackey | Mechanic | 605-745-5206 | 605-890-0997 |
| David | Novak | Hot Springs Batch Plant Operator | 605-745-5206 | |
| Jodi | Ruggieri | Dispatcher | 605-745-5206 | |
| Edwin | Jones | Truck Driver | 605-745-5206 | |
| Francis | Zeimet | Superintendent | 605-745-5206 | 605-890-5206 |
| Gene | Weisser | | 605-745-5206 | |
| Leroy | Cleberg | Wash Plant | 605-578-2640 | 605-390-6258 |
| Les | Tiltrum | Welding Shop Supervisor | 605-718-5399 | 605-390-8407 |
| Mike | Lee | Agg/QC/Environment Manager | 605-394-3300 | 605-390-8439 |
| Ryan | Skillingstad | Project Engineer | 605-718-5319 | 605-215-4758 |
| Theo | Adamson | Aggregate Manager | | 605-280-8090 |
| Tom | Schumacher | Construction Operations Manager | 605-394-3300 | 605-391-2778 |
| Victor | Espinosa | Paving/Chip Foreman | 605-394-3300 | 605-390-8440 |
| Warren | Jaasund | Construction Foreman | 605-394-3300 | 605-390-8426 |
| Adam | Bauer | Sr. Estimator | 605-718-5317 | 605-591-9938 |
| Alan | Davis | RC Redi-Mix Batch Plant Operator | 605-515-0492 | |
| Ben | Lang | Construction Foreman | | 605-645-6186 |
| Blaze | Dugan | Paving Foreman | | 605-633-6910 |
| Brad | Iron | Paving Foreman | | 605-519-4761 |
| Katie | Hanneken | HR Operations Coordinator | 605-718-5323 | 605-838-7540 |
| Cindy | Vissia | Equipment/Shop Administrator | 605-718-5384 | 605-390-8421 |
| Cliff | Drury | Fast Pack | 605-578-2640 | 605-415-6604 |
| Clint | Painter | Hot Plant Supervisor | 605-718-7527 | 605-645-0198 |
| Darren | Gebhart | Construction Manager | 607-718-7502 | 970-520-5032 |
| Dean | Paschke | Shop Equipment Manager | 605-718-5388 | 605-430-2457 |
| Delaney | Apple | Assistant Superintendent | | 605-415-9900 |
| Donna | Messer | Office Manager | 605-718-5321 | |
| Eddie | Bowman | Paving Superintendent | 605-394-3325 | 605-415-5332 |
| Garret | Aman | Manufacturing Manager | 605-394-3300 | 605-920-8888 |
| Ivy | Foster | Sr. Project Manager | 605-718-5344 | 605-858-5390 |
| Jake | Hepp | Regional Manager | 605-718-7501 | 605-415-0441 |
| Jason | Walker | Construction Foreman | | 605-415-1248 |
| John | Lee | RC Redi-Mix QC | 605-877-6970 | |
| Kanice | Aldridge | Construction Clerk | 605-718-5312 | |
| Kyle | Fuoss | Estimator | 605-718-5341 | 605-920-0553 |
| Nate | Oliver | Aggregate Production Manager | 605-394-3320 | 605-390-9190 |
| Rodney | Wolfe | Assistant Controller | 605-394-3300 | 308-520-8198 |
| Ruby | Schaefer | Accounts Receivable Clerk | 605-718-5307 | |
| Sam | Burnison | Project Engineer | 605-394-3300 | 605-219-4025 |
| Tammy | Achtien | Accounts Payable Specialist | 605-718-7419 | |
| Vicky | Horst | Contract Administrator | 605-718-5340 | |
| Zach | Ahlstrom | Project Manager | 605-394-3300 | 605-877-6839 |
| Leslie | Arno | Project Manager /Estimator | 307-683-8344 | 307-622-3743 |
| Matt | Peterson | Mechanic | 307-672-8407 | 307-751-4437 |
| Tim | O'Neill | Paving Foreman | | 307-620-1424 |
| Travis | Thompson | Shop Supervisor | 307-683-8346 | 307-217-1776 |
| Dustin | McCann | Sheridan Hot Plant | 307-672-8407 | 307-680-1741 |
| Chuck | Carney | Hot Springs Batch Plant Operator | 605-745-5206 | |
| Erin | Nemec | Accounting Manager | 605-718-5359 | |
| Aaron | Kolar | Electrician | | 605-591-0289 |
| Justin | Foster | Regional QC Manager | | 605-591-0728 |
| Darryl | Birge | Safety Manager | | 605-591-0286 |
| Patrick | Malfitano | Sales Manager | | 605-430-1641 |
| April | Coufal | Regional Controller | | 308-660-5920 |
| Mary | Genzlinger | Accounting Assistant | 605-718-5260 | |
| Diego | Toccaceli | Accounts Receivable/Payable Manager | 605-718-7491 | |
| Ross | Swedeen | Ready Mix Superintendent | | 605-591-26663 |
| Kelli | Craft | Sales & Logistics Representative | 605-718-7529 | 605-608-0458 |
| Anna | Walter | BRP - Sales & Manufacturing | | 605-939-9487 |
| Bo | Secrest | Project Manager | | 605-591-9246 |
