We specialize in providing off duty police officers and security professionals for your security needs. If youre in Milwaukee or surrounding areas and are on the lookout for top-notch corporate and event security services Milwaukee Wi clients rely on, you couldnt have come to a better place! ?Great Lakes Security Services is the premier provider of security services for businesses, events, and others in need of top quality security guard services Milwaukee Wi folks trust. Our company was founded by, composed of, and is operated by a Wisconsin veteran police officer dedicated to providing outstanding security services for clients who want nothing less than trusted, reliable security for various needs.