Celebrating our 75-year tradition of excellence.
BLN provides decades of expertise as a full-service engineering firm.
Guided by third generation leadership, the core group of BLN partners and associates remain leaders within the engineering community. Our history and experience helps us define a clear vision to work toward total client satisfaction.
Taking a project from planning through construction services allows BLN to apply our innovations to maximize your return on investment.View Our Services
The latest news and events that have positively impacted your communities.NEWS & EVENTS
BLN is always looking for the top talent. Learn more about career opportunities and benefits of working at BLN.Apply
BLN is an award-winning consulting firm with experience in all facets of infrastructure projects.
Bridges and Structures
Real Estate Services
Water Resource Services
Headquartered in the heart of Indiana, with regional offices strategically placed around the United States, we have quick and easy access to all corners of the Country.