| Business | Phone |
| Lewis & Clark Building Mntnc 228 E Broadway St # 5, Helena 59601 | (406) 447-8299 |
| Lewis & Clark Classification 316 N Park Ave, Helena 59623 | (406) 442-7761 |
| Lewis & Clark Cnty Comm Svc Helena 59601 | (406) 447-8227 |
| Lewis & Clark Cnty Fairgrounds 2 W Custer Ave, Helena 59602 | (406) 442-1098 |
| Lewis & Clark Cnty Personnel Helena 59601 | (406) 447-8316 |
| Lewis & Clark Cnty Pub Dfndr Courthouse, Helena 59601 | (406) 447-8213 |
| Lewis & Clark Cnty Restitution Helena 59601 | (406) 447-8231 |
| Lewis & Clark Cnty Road & Brg 3402 Cooney Dr, Helena 59602 | (406) 447-1630 |
| Lewis & Clark Cnty Water Qlty Helena 59601 | (406) 447-1668 |
| Lewis & Clark County Adm 316 N Park Ave, Helena 59623 | (406) 447-8313 |
| Lewis & Clark County Appraisal 316 N Park Ave, Helena 59623 | (406) 444-4000 |
| Lewis & Clark County Cnsrvtn 790 Colleen St, Helena 59601 | (406) 449-5000 |
| Lewis & Clark County Elections 316 N Park Ave # 168, Helena 59623 | (406) 447-8338 |
| Lewis & Clark County Landfill 4075 Deal Ln, Helena 59602 | (406) 227-1177 |
| Lewis & Clark County Permit 316 N Park Ave, Helena 59601 | (406) 447-8392 |
| Lewis & Clark County Weed Dist 3402 Cooney Dr, Helena 59602 | (406) 447-1640 |
| Lewis & Clark Juvenille Prbtn 228 E Broadway St # 3, Helena 59601 | (406) 447-8228 |