Founded in 1993, Pieschek Protective Services is a full-service security guard and mobile patrol company. It specializes in industrial, commercial and residential security services. It provides security and investigative services to clients throughout Wisconsin. Pieschek Protective Services offers armed, unarmed and special event security, patrolling, risk analysis and security consulting services. It provides security services to financial institutions, residential communities, colleges and universities, retail outlets, and manufacturing, research, distribution and health care facilities. Pieschek Protective Services also offers background, domestic, criminal and professional undercover investigations, as well as video and surveillance monitoring and information gathering services. Pieschek Protective Services maintains a location in Green Bay, Wis.