Markham Investigation and Protection serves clients across Chicago, New York, Los Angeles, Miami, Atlanta, Houston, Dallas, New Orleans, District of Columbia, Detroit, Seattle, Portland, Everett, Lynnwood, Kirkland, Bellevue, Tacoma, Kent, Auburn, Renton, Tukwila, Redmond, Arlington, Marysville, Snohomish, Lake Stevens, Edmonds, Mountlake Terrace, Kenmore, Woodinville, Puyallup, Gig Harbor, Silverdale, Orting, Federal Way, Des Moines and the surrounding areas.