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Charles A. Klein & Sons, Inc.
Sykesville, MD 21784
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Our Story
Our main lines of business include: Mechanical Contractors.
Charles A. Klein & Sons, Inc. has been listed in the Blue Book since 1987.
What We Do
- Mechanical Contractors
Regions & Counties Serviced
- Washington D.C.
Maryland 1
- Carroll
Our CSI Codes
23 01 20 - Operation and Maintenance of HVAC Piping and Pumps
23 01 80 - Operation and Maintenance of Decentralized HVAC Equipment
23 06 20 - Schedules for HVAC Piping and Pumps
23 06 50.13 - Heating Boiler Schedule
23 06 80.16 - Convection Heating and Cooling Unit Schedule
23 20 00.00.01 - HVAC Piping and Pumps