Oneida Engineering Solutions

Our mission is to preserve, restore, and enhance the natural and constructed environment for future generations through successful project delivery for our customers.

Oneida Engineering Solutions (OES) is a full-service engineering and environmental services company owned by the Oneida Nation of Wisconsin as a subsidiary under the Oneida ESC Group. We are an approved Native American-Owned Disadvantaged Business Enterprise (DBE) and 8a Small Business Enterprise (SBE). We deliver cost-effective technical services characterized by cooperative attitude, business-like concern for customer needs, effective communication, and commitment to customer satisfaction.

OES integrates engineers, scientists, professionals and construction managers for delivery of services on infrastructure, facility and development projects. We work closely with state and local municipalities, government agencies, commercial clients and public-private partnerships to solve the most complex challenges that improve the communities where we live and work.

Our Services

Our professionals provide our customers practical, cost-effective, and innovative solutions characterized by sustainable, long-term value reflected in reasonable life-cycle costs.

Designing transportation facilities that improve motorist safety and minimize environmental impacts 

Supporting customers’ construction projects with expert management and inspection services 

Hands-on engineering and maintenance to assure facilities operate unhindered at its highest level of efficiency 

Partner to guide regulatory permitting and compliance; Using innovative and traditional technologies to address environmental liabilities 

Using state-of-the-art equipment to accurately survey and document conditions
Improving the natural environment through flora and fauna habitat restoration projects and related investigations

Dedicated to Sustainable Solutions

We strive to be a formidable, high-performing, and nimble engineering firm with a reputation for integrity and innovation.

Aerial Photo of Highway Project Completed by Oneida Engineering Solutions


OES at Work at Engineering Desk