C21 Contracting Corporation is a trusted name in scaffolding, sidewalk sheds, pipe scaffolding, jersey barrier rentals, fencing, and rigging/hoisting services across all five NYC boroughs. With over 20 years of industry experience, we provide fast, DOB-compliant, and fully insured solutions tailored to your project. Based in the Bronx, we’re known for clean work, quick response, and 24/7 reliability. Top contractors citywide choose us for safety, speed, and service that never compromises.
