About Harry C Johnson Inc Harry C Johnson &Son Inc. was founded in 1906 in Washington DC by Mr. Harry C. Johnson. This family-owned furniture repair shop has been serving the Maryland, Northern Virginia and Washington DC areas for over 100 years. Formerly located in Bethesda, Maryland, this long time furniture shop has been located in old town Gaithersburg for more than 30 years. Current director JF Monterrosa joined the company over three decades ago and under his direction our compnay continues to thrive and grow. His expertise and high work ethics will help carry the Johnson name well into the future. Quality workmanship and long lasting relationships has always been the vision of Harry C Johnson. Today that vision continues evidenced by customer testimonials and repeat Business. Our repeat business comes from loyal private customers, collectors, dealers, designers and stores. Some of our customers include:.