S1G Investigations, Inc. is a Maryland-based company with over 100 years accumulative experience in the law enforcement, military and homeland security. S1G Investigations, Inc. is a licensed private investigations organization in the State of Maryland. Our team of law enforcement officers and private investigators work around the clock so we are always at your service. We offer innovate and creative ways of getting your process served quickly and efficiently. We can provide your law firm with a User Name and Password that will allow you to check the status of your documents on our website. If requested your firm may receive automatic emails advising you of any status changes.