K G Johnson Employee Directory

K.G. Johnson Mechanical Contractor is a family-owned and operated commercial mechanical contractor based in Frederick, MD, serving various cities in Maryland and Virginia. The company specializes in complete plumbing and HVAC services for new construction, renovations, and professional design-build projects. They are known for their dependability,... being bonded and insured, and offer services such as tenant and office improvements. K.G. Johnson is committed to providing high-quality mechanical solutions to their clients.Read More