Santangelo & Lindsay, Inc. (SLI) is a women-owned, consulting electrical engineering firm established in 1993. The firm is a Small Diverse Business (SDB) and certified Disadvantaged Business Enterprise with the PA Unified Certification Program. The firm is led by a woman Professional Engineer, with 30 years of experience in consulting engineering. The design staff includes two graduate engineers with combined experience in excess of fifty years and one CAD Technician. This staff is supported by an office manager, also a woman owner. By the training and experience of our key personnel, we are qualified in the design of power, lighting, communication, fire alarm, security, and related systems. Santangelo & Lindsay is located in New Brighton, PA, approximately 25 miles north of the City of Pittsburgh.