Sentinal Protection & Investigation is a Michigan Security agency based in Flint Michigan. We offer Armed Security Guards along with unarmed Security Guards to Flint, Saginaw, Detroit, Lansing, Grand Rapids, Ann Arbor and all of Michigan. Sentinal Protection is the Industry leader in professional security services for Michigan. We also offer marked patrol vehicles, K9 Teams, Narcotics Detection Services, on site Drug testing with instant results, Investigations for Attorney’s, Insurance companies and other private organizations. Our investigations team can also assist with finding missing persons and loved ones or catch a cheating spouse. Our Michigan security patrol services are used for patrolling parking lots, apartment complexes, businesses, shopping malls and plazas or whatever your security needs may be.