Nelson Engineering joins Salas O’Brien, strengthening science and technology and federal markets

The Nelson team’s capabilities and portfolio complement Salas O’Brien’s existing work in the science and technology and federal government markets. The merger increases our combined team’s ability to provide comprehensive, integrated, multi-disciplinary engineering services.

“Nelson Engineering brings an impressive project portfolio and impeccable client reputation. We are excited to see this talented team of professionals grow within Salas O’Brien, and we look forward to all we will accomplish together.
Srini NerallaManaging Principal and leader of Salas O’Brien’s federal services

As the next step in Salas O’Brien’s strategy to be local everywhere, with international resources, the Nelson team will continue to be managed by its current leaders and will adopt the Salas O’Brien name after a transition period.

The merger closed on April 15, 2022, and news was shared recently with both the Nelson and Salas O’Brien teams.

Salas O’Brien, like Nelson, is focused on creating a rewarding professional environment with no limits on career growth and success. We are excited to build upon our legacy of success in the federal sector and continue our precedent of an engaged workforce that emphasizes client value first and foremost.
Shad WilsonSenior Managing Director, Nelson Engineering

Salas O’Brien continues to grow as part of an ambitious plan to create the most respected engineering firm in the world, as measured by our clients and team members. Nelson represents the third merger in 2022 for Salas O’Brien.



Featured experience

NASA Ammonia Vapor Containment Facility

For experiments and testing to support its Mars 2020 mission, NASA needed additional science processing space and capabilities within the Space Station Processing Facility at Kennedy Space Center. We designed the renovation to subdivide the Flight Crew Equipment Processing Lab into four Science Processing Areas and expand the Vapor Containment Facility..

United Launch Alliance Launch Complex 41 modifications

Our team designed and constructed new propellant and acoustical suppression water systems, including civil, electrical, communications, fire alarm, fire protection, fixed water spray, storage vessel layout, environmental, and process piping design for United Launch Alliance’s Vulcan vehicle launch site.

National Institutes of Health Facility assessment services

We’ve conducted multiple facilities assessments to help the National Institutes of Health comply with federal, local, and state regulations and to help them meet sustainability goals and operational needs.