Contact

Corporate Headquarters

Potomac Testing
1610 Professional Blvd, Suite A
Crofton, MD 21114
Phone: 301-352-1930
Toll-Free: 1-800-331-2002

Maryland
1610 Professional Boulevard, Suite A,
Crofton, Maryland 21114

Virginia
22854 Bryant Court, Suite 101,
Sterling, Virginia 20166

Pennsylvania
500C Abbott Drive,
Broomall, Pennsylvania 19008

Ohio
1130 McArthur Road,
Jeffersonville, Ohio 43128
Phone: 740-426-9104

Indiana
12342 Hancock St.,
Carmel, Indiana 46032
Phone: 317-853-6795

Michigan
1991 Woodslee Dr.,
Troy, Michigan 48083-2236
Phone: 248-689-8980