| Business | Phone |
| Butler Cnty Domestic Relations 124 W Diamond St, Butler 16001 | (724) 284-5181 |
| Butler Cnty Voter Registration 124 W Diamond St, Butler 16001 | (724) 284-5308 |
| Butler County Assessment 124 W Diamond St, Butler 16001 | (724) 284-5316 |
| Butler County Assistance Office 108 Woody Dr, Butler 16001 | (724) 284-8844 |
| Butler County Commissioners 124 W Diamond St, Butler 16001 | (724) 284-5100 |
| Butler County Communications 309 Sunnyview Cir, Butler 16001 | (724) 287-7769 |
| Butler County Coroner 107 Sunnyview Cir, Butler 16001 | (724) 477-3137 |
| Butler County Detective 124 W Diamond St, Butler 16001 | (724) 284-5225 |
| Butler County District Justice 121 Sunnyview Cir, Butler 16001 | (724) 284-5370 |
| Butler County District Justice 227 W Cunningham St, Butler 16001 | (724) 431-4854 |
| Butler County General Info 124 W Diamond St, Butler 16001 | (724) 285-4731 |
| Butler County Information Tech 124 W Diamond St, Butler 16001 | (724) 284-5140 |
| Butler County Juvenile Prbtn 124 W Diamond St, Butler 16001 | (724) 284-5355 |
| Butler County Mapping 124 W Diamond St, Butler 16001 | (724) 284-5331 |
| Butler County Personnel 124 W Diamond St, Butler 16001 | (724) 284-5193 |
| Butler County Planning Comm 124 W Diamond St, Butler 16001 | (724) 284-5300 |
| Butler County Prothonotary 300 S Main St, Butler 16001 | (724) 284-5214 |
| Butler County Purchasing 124 W Diamond St, Butler 16001 | (724) 284-5109 |
| Butler County Recorder-Deeds 124 W Diamond St, Butler 16001 | (724) 284-5340 |
| Butler County Recycling 124 W Diamond St, Butler 16001 | (724) 284-5305 |
| Butler County Register Of Will 124 W Diamond St, Butler 16001 | (724) 284-1409 |
| Butler County Safety Council Butler 16001 | (724) 284-0012 |
| Butler County Solicitor's Off 124 W Diamond St, Butler 16001 | (724) 284-5381 |
| Butler County Veterans Svc 124 W Diamond St, Butler 16001 | (724) 284-5352 |
| Butler District Attorneys 124 W Diamond St, Butler 16001 | (724) 284-5222 |
| Honorable George H Hancher 124 W Diamond St, Butler 16001 | (724) 284-1447 |
| Honorable George Kiester 124 W Diamond St, Butler 16001 | (724) 284-5295 |
| Honorable John H Brydon 124 W Diamond St # 3, Butler 16001 | (724) 284-5288 |
| Honorable Marilyn J Horan 124 W Diamond St, Butler 16001 | (724) 284-5290 |
| Honorable Martin J O'Brien 124 W Diamond St, Butler 16001 | (724) 284-5292 |
| Honorable S Michael Yeager 124 W Diamond St, Butler 16001 | (724) 284-1391 |
| Honorable Thomas J Doerr 124 W Diamond St, Butler 16001 | (724) 284-5444 |
| Honorable William R Shaffer 124 W Diamond St # 2, Butler 16001 | (724) 284-5508 |
| Jury Commissioners 124 W Diamond St, Butler 16001 | (724) 284-5297 |