Cashman is one of the largest dredging and heavy civil contractors in the United States and was ranked 13th in hazardous waste contracting by Engineering-News Record in 2013. Cashman has earned these rankings through completing a vast array of highly complex and demanding remedial, maintenance, and capital improvement projects. Cashman's approach is founded on applying the following principles to each distinct element of work and management requirements:
Cashman prevents significant project delays by partnering with stakeholders to identify issues early. Cashman regularly performs engineering services at no additional cost to the Owner to mitigate design issues. Cashman additionally seek innovations in collaborations, particularly where there are opportunities to share resources to improve the project. For example, Cashman developed a unique partnership with General Electric (GE) for the Hudson River Sediment Remediation project, the largest environmental remediation of its kind in U.S. history. This partnership relied on Cashman's financial stability and business acumen to share project costs and benefit the environment.