Marker Group records retrieval, analysis, investigation, medical review, legal copy, court reporting, case management, medical record reviews, Houston, Texas, toxic tort, expert witness, drug case reviews, nurse record reviews, court reporters, law, litigation, litigation support, litigation support services, coding, investigative litigation support, litigation support manager, legal research, document imaging service bureau, trial preparation, consulting, document management, imaging, legal imaging, scanning The Marker Group, Houston, TX, provides low-cost, high quality litigation support. Services includes records retrieval and analysis, investigation, medical review, court reporting, legal research, copying, imaging and trial preparation services to law firms, insurance companies, and corporations.