M
M. Davis & Sons
Wilmington, DE 19804
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Our Story
Our main lines of business include: Boiler Repairs, Piping--Industrial, Industrial Maintenance Contractors.
M. Davis & Sons has been listed in the Blue Book since 1990.
What We Do
- Boiler Repairs
- Industrial Maintenance Contractors
- Piping--Industrial
Regions & Counties Serviced
- Pennsylvania-Eastern
Delaware 1
- New Castle
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
25 05 26 - Grounding and Bonding for Integrated Automation
26 01 10 - Operation and Maintenance of Medium-Voltage Electrical Distribution
26 01 20 - Operation and Maintenance of Low-Voltage Electrical Distribution
26 06 10 - Schedules for Medium-Voltage Electrical Distribution
26 06 20 - Schedules for Low-Voltage Electrical Distribution
26 06 20.26 - Wiring Device Schedule
26 10 00.00.01 - Medium-Voltage Electrical Distribution
26 18 13 - Medium-Voltage Cutouts
26 20 00.00.01 - Low-Voltage Electrical Distribution
26 21 00.00.01 - Low-Voltage Overhead Electrical Power Systems
26 43 13 - Transient-Voltage Suppression for Low-Voltage Electrical Power Circuits
27 05 26 - Grounding and Bonding for Communications Systems
33 71 36 - Extra-High-Voltage Wiring
33 71 36.13 - Overhead Extra-High-Voltage Wiring
33 71 39 - High-Voltage Wiring
33 71 39.13 - Overhead High-Voltage Wiring
33 71 49 - Medium-Voltage Wiring
33 71 49.13 - Overhead Medium-Voltage Wiring
33 81 23 - Aerial Cable Installation Hardware
34 21 16 - Traction Power Substations
34 21 16.13 - AC Traction Power Substations
34 21 16.16 - DC Traction Power Substations
40 17 13 - Acetylene Welding and Cutting Piping
40 17 16 - Acetylene-Hydrogen Mix Welding and Cutting Piping
40 17 19 - Methylacetylene-Propadiene Welding and Cutting Piping
40 17 23 - Oxygen Welding and Cutting Piping
40 17 26 - Inert Gas Welding and Cutting Piping
40 95 73 - Process Control Wiring
41 36 23.23 - Plasma Cutting Equipment
41 65 19 - Mobile Welders
