For 35 years H.O.Thompson Testing Lab has maintained a special relationship with home buyers & sellers, and their real estate professionals.  We offer all the services you will need for a confident and satisfying home purchase or sale. 

Operating from our facility near Parkesburg, we serve Berks, Bucks, Chester, Delaware, Lancaster, and Montgomery counties.   Our services include pickup of samples for analysis.   Following our consistently rapid turnaround, results of our testing can be transmitted to you in a variety of ways, including fax, first class mail, and/or e-mail.

Our clients include professionals in the real estate profession, homeowners, individuals planning to buy or sell a home, well drillers, water treatment professionals, and radon remediation professionals.