Providing on-site support throughout PNC’s Pittsburgh headquarters, Hatzel & Buehler, Inc also services PNC’s regional branch locations, with electrical power, structured cabling systems, design and service. Hatzel & Buehler’s relationship with PNC extends beyond the Pittsburgh region and includes several other markets. Recently, Hatzel & Buehler, Inc – partnering with Bluestone Communications, provided the following electrical installation and services: metering, security system installation, fire alarm, interior lighting, lighting control, power distribution, critical system panel installation and HVAC control wiring on the renovation of 8 floors within 2 PNC Plaza.