The Park County list: 72 septic installers, 19 site evaluators, as the county publishes it (2026 roster, valid through January 31, 2027). Being on the list means the county listed them, not that we recommend them. Call Park County Environmental Health at 406-222-4145 to confirm current standing.
| Company | Contact | Role | Phone |
|---|---|---|---|
| Advanced Wastewater Specialists LLC | Todd King | Septic installer | 406-640-1667 |
| Asplund Enterprises | Matt Asplund | Septic installer | 406-838-2036 |
| Bainter Enterprises Inc | Clyde Bainter | Septic installer | 406-222-6548 |
| Berg Excavation | Brett Johnson | Septic installer | 406-223-4972 |
| Black Beard Construction | Nate Jones | Septic installer | 406-702-4364 |
| Browns Septic Service | Taylor Rockafellow | Septic installer | 406-222-1493 |
| Buck Excavation LLC | Ryan Buck | Septic installer | 406-624-7393 |
| Bullock Contracting LLC | Buster Bullock | Septic installer | 406-225-3894 |
| Burke Construction and Excavation | Brecken Burke | Septic installer | 406-624-7655 |
| Burlingame Excavation LLC | John Burlingame | Septic installer | 406-579-6465 |
| CK May Excavating Inc | Craig May | Septic installer | 406-388-0015 |
| Cain Construction | Aaron Cain | Septic installer | 406-223-5943 |
| Chuck's Backhoe and Landscaping | Charles Hillman | Septic installer | 406-222-7174 |
| Cinnabar Contracting | Cass Kramer | Septic installer | 406-223-3526 |
| Contour Inc | Christina Krull | Septic installer | 406-599-1583 |
| Crazy Mountain Constructors | Aaron Jenkins | Septic installer | 406-223-4913 |
| Crazy Mountain Industries | Jamie Hillman | Septic installer | 406-222-0025 |
| DMG Dirtworks LLC | Brad Marsh | Septic installer | 406-600-2724 |
| DWE Dirtworks Inc | Jeff DePew | Septic installer | 406-595-3055 |
| Daniel Fleming | Daniel Fleming | Septic installer | 406-223-2083 |
| Double S Excavating | Steven Stenberg | Septic installer | 406-224-3703 |
| Down To Earth | William Fossum | Septic installer | 406-932-4804 |
| ENV Safety Solutions | Jonathan Croston | Septic installer | 406-220-5402 |
| Elevation Excavating | Josh Susic | Septic installer | 406-580-5318 |
| Eric Newhouse | Eric Newhouse | Septic installer | 406-223-4555 |
| Fahn's Asphalt Inc | Jon Ott | Septic installer | 406-698-8027 |
| Gary Brown | Gary Brown | Septic installer | 406-223-7606 |
| Gary's Backhoe & Pump Service Inc | Gary Hillman | Septic installer | 406-224-7070 |
| Getardonrite Contracting | Kelton Cole | Septic installer | 406-223-3806 |
| Goertz Construction LLC | Nicholas Goertz | Septic installer | 406-600-4380 |
| Griffen Excavation LLC | Ryan Griffen | Septic installer | 406-595-7709 |
| Handyman | Jerry Mergen | Septic installer | 406-220-0370 |
| Headshot Contracting | Morgan Nevin | Septic installer | 406-220-3478 |
| Hogenson Construction LLC | Matt Hogenson | Septic installer | 406-578-2149 |
| Homestead Excavation | Jon Mann | Septic installer | 406-220-2933 |
| Integrity Industries | Joel Hieser | Septic installer | 406-581-7137 |
| Iverson Enterprises Inc | Chris Iverson | Septic installer | 406-223-3909 |
| J Bar J Enterprises | Jay Jones | Septic installer | 406-222-2538 |
| Jesson Contracting Services Inc | Jake Jesson | Septic installer | 406-823-9732 |
| Juhnke's Excavation Inc | Clint Juhnke | Septic installer | 406-222-7595 |
| KBEX Contracting Inc | Kyle Mobley | Septic installer | 406-581-5951 |
| Kostoff Excavation LLC | Lauren Kostoff | Septic installer | 406-223-9285 |
| LTS Architecture | Lucas Schad | Septic installer | 406-333-0533 |
| Legacy Contracting | Garrett Jobe | Septic installer | 406-599-4371 |
| Livingston Equipment & Form Rental | Max Bergsing | Septic installer | 406-223-7476 |
| MT Earthworks LLC | Josh Kemph | Septic installer | 406-579-5113 |
| Mighty Mo Construction | Shad Connerton | Septic installer | 406-366-5711 |
| Mill Creek Construction Inc | John Melin | Septic installer | 406-223-2346 |
| Monnett Excavation Inc | Bill Monnett | Septic installer | 406-595-4710 |
| Montana Excavation & Utilities | Devin MacIntyre | Septic installer | 406-580-9033 |
| Montana Site Services | Shannon Reiner | Septic installer | 854-661-3026 |
| ND Sitework | Nicholas Donovan | Septic installer | 406-871-0855 |
| OKA Site Works Inc | Kelly O'Hara | Septic installer | 406-599-8079 |
| Peak Excavation Inc | Zach Austin | Septic installer | 406-360-5061 |
| Quabbin Forest Products LLC | Chuck Walker | Septic installer | 406-627-9295 |
| Ragland Earthworks LLC | Jeff Ragland | Septic installer | 406-679-2181 |
| Ray Stenberg Excavating | Ray Stenberg | Septic installer | 406-932-5164 |
| Rector Ranch Inc | Dean Welch | Septic installer | 406-580-2097 |
| Rocky Mountain Dirt Detail LLC | Dave Huntley | Septic installer | 406-579-8371 |
| Ross Peak Earthworx LLC | Bill Leffingwell | Septic installer | 406-580-1512 |
| Ruggles Excavation Inc | John Ruggles | Septic installer | 406-222-5732 |
| Schessler Excavation & Septic Medic Inc | Heston Schessler | Septic installer | 406-628-4221 |
| Seven Point Enterprises LLC | Craig Harris | Septic installer | 406-223-8101 |
| Stenberg Construction & Supply Inc | Lyle Stenberg | Septic installer | 406-932-5231 |
| Sweet Grass Concrete and Aggregates LLC | Brian Davis | Septic installer | 406-946-2639 |
| TLC Septic & Excavation Inc | Wes Dooley | Septic installer | 406-388-7696 |
| Thomas Willie | Thomas Willie | Septic installer | 406-595-1857 |
| Timber Ridge Builders | Norman Susens | Septic installer | 406-539-8170 |
| Tom Roe & Son Construction Inc | Charles Roe | Septic installer | 406-932-5171 |
| Troy Busby | Troy Busby | Septic installer | 406-749-3439 |
| Twisted Pine LLC | Jace Quimby | Septic installer | 406-220-0467 |
| Walker Excavation | Zac Walker | Septic installer | 406-388-5864 |
| Allied Engineering Services Inc | Mark Fasting PE | Site evaluator | 406-582-0221 |
| Alpine Surveying & Engineering | Evan Vinger | Site evaluator | 406-586-5599 |
| Bear Claw | Robert Smith | Site evaluator | 406-223-0908 |
| Crazy Mountain Industries Inc | Jamie Hillman | Site evaluator | 406-220-1226 |
| Cushing Terrell | Caleb Minnick | Site evaluator | 406-333-7973 |
| ENV Safety Solutions | Jonathan Croston | Site evaluator | 406-220-5402 |
| Gaston Engineering & Surveying | Julie Gaston PE | Site evaluator | 406-586-0588 |
| Headwaters Engineering | Garrett Schultz PE | Site evaluator | 406-570-3676 |
| Hyalite Engineers | Bret Megaard | Site evaluator | 406-587-2781 |
| Hyalite Engineers LLC | Mike Stenberg PE | Site evaluator | 406-587-2781 |
| IMEG Consultants Corp | Olivia Prewitt EI | Site evaluator | 406-587-1115 |
| IMEG Consulting Corp | Michael J Welch | Site evaluator | 406-587-1115 |
| Independent | Chuck Goode | Site evaluator | 406-223-7103 |
| J-U-B Engineers Inc | David Shultz PE | Site evaluator | 307-527-0915 |
| Rock Creek Engineering | Karl Belanger | Site evaluator | 406-223-8181 |
| Solutions Engineered LLC | Ahren Hastings | Site evaluator | 970-381-4358 |
| TD&H Engineering | Tim Blystone PE | Site evaluator | 406-586-0277 |
| WA Inc | Mark Westergaard | Site evaluator | 406-920-0125 |
| WWC Engineering | Eric Ringsak PE | Site evaluator | 406-586-0262 |
Before you hire, read the septic guide and how to check a contractor. Mapped soils and septic outlook for one parcel: Montana Build Report.
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