Our combined divisions and trusted affiliates
make Colonna’s the preferred choice for our customers.
Our combined divisions and trusted affiliates
make Colonna’s the preferred choice for our customers.
With our integrated capabilities, we provide unparalleled service, reliability,
and expertise on every project, ensuring exceptional results.
Steel America is a custom steel fabrication shop and large-scale machining service provider with complex mechanical and electrical capabilities. Steel America fabricates heavy structures up to 1,000 metric tons in modular form. Steel America has the capabilities and certifications to meet the market demand in marine infrastructure, power generating stations, and industrial plants, with barge load-out capabilities.
Weld America is proud to deliver the highest quality on-site welding services. With an elite team of welders and state-of-the-art equipment, including the latest in mechanized welding systems, Weld America is prepared to mobilize anywhere in the world.
Located in San Diego, Colonna’s Shipyard West delivers high quality, customer focused service bringing the topside resources of a major shipyard directly to your vessel for timely and efficient repairs.
Colonna Down River is a versatile extension of our shipyard. CDR is designed to mobilize outside the gate on a 24/7 basis for pier-side and underway emergencies, or preplanned voyage repairs, bringing the topside resources of a major shipyard directly to your vessel.
Norfolk Barge has been the trusted source of deck barges and other floating equipment in the Mid-Atlantic for over 30 years. Our extensive fleet of barges is well-maintained and ready at a moment’s notice.
Accurity Industrial Contractors, LLC., is a premier specialty mechanical and industrial contractor that is focused on welding, piping, and industrial plant maintenance services.