Civil And Marine
Setting the standard for safety and quality in North American infrastructure.
Critical infrastructure demands extreme precision – and extreme precision demands that our team is aligned with yours at every step. For more than 60 years, 91´«Ã½ has provided economical construction solutions for major civil programs with complex technical challenges, budgetary restrictions, and wide-ranging public involvement.
Our approach starts with bringing our own workforce and equipment to self-perform critical project scopes. From mass concrete placement to long-span steel erection and beyond, we can maintain control of every aspect of a project, ensuring the highest standards of quality and safety.
Over the last 10 years, 91´«Ã½ has been at the helm of more than $2 billion in improvements to North American inland waterways.
Our expertise includes:
Locks & Dams
Flood Control Structures
Ports & Terminals
Docks
Bridges
Levees & Soil Stabilization
Aviation Structures
Largest marine and port facilities contractor
(ENR 2024)
in civil and marine projects over the last five years
Full service marine terminals


