Contractors with a D21 license specialize in the installation and maintenance of machinery and pumps. They play a crucial role in various industries, including manufacturing, agriculture, and construction.
Machinery installation
Pump installation and maintenance
Industrial equipment servicing
General A
Engineering
General B
Building
C-2
Insulation and Acoustical Contractor
C-4
Boiler, Hot Water Heating, Steam Fitting
Hiring a licensed D21 contractor ensures that machinery and pumps are installed correctly and maintained properly, maximizing their efficiency and lifespan.
To obtain a D21 license, contractors must meet specific experience and training requirements and pass a licensing exam that tests their knowledge of machinery and pump installation and maintenance.
Anyone looking to obtain their Contractor’s License. By far, the best guidance for any contractor looking to initiate their licensing process.
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