ProTAB, Inc. is an AABC Certified, Independent Testing & Balancing firm located in Maryland and serving Virginia, Washington DC, Maryland, Pennsylvania and Delaware. Our team of TAB technicians, with over 100 years combined experience, offer years of experience and knowledge to methodically complete every project.

We offer our clients a truly unbiased perspective of each project as ProTAB, Inc. is not affiliated with any mechanical or design services firms.




  5021 Michael's Meadow Drive
Hampstead, MD 21074
ph: (410) 935-8249
fax: (866) 642-0044
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