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About Us

ETI's inspectors, lab technicians and field personnel work on site, from our main office in Potomac, MD or at our laboratory in Ijamsville, MD.
Eastern Testing & Inspection Corp. (ETI)
12435 Park Potomac Ave., Suite 300
Potomac, MD 20854
Phone: 301.881.8313

P 301.881.8313 (Office)
P 301.831.8313 (Lab)

ETI Laboratory
10097 Tyler Court
Suite 16
Ijamsville, MD 21754
Phone: 301.831.8313
Fax Number: 301.831.1137

P 301.831.8313 (Laboratory)