USIA Private Security & Investigations provides security and investigative services for residents and businesses in Chicago and the Chicagoland area, with nationwide security also listed among its services. The company says its team includes active and former law enforcement officers, state-certified security professionals, and investigators with practical experience across a range of security situations. Its offerings include armed and unarmed security guards, executive protection, and security coverage for businesses, facilities, and events.

USIA also provides surveillance solutions, including high-definition cameras with day- and night-vision capabilities that clients can monitor from their devices. Additional services include custom alarm installation, remote monitoring, and ongoing security system management and maintenance. The company describes its approach as combining trained personnel with security technology, with support available 24 hours a day.

Its website invites prospective clients to request a free consultation and an action plan. Client reviews featured on the site highlight responsive communication, dependable guard services, and support for workplace, facility, and event security needs