A Tradition of Excellence Since 1945.
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.
Trusted Consultants
Taking a project from planning through construction services allows BLN to apply our innovations to maximize your return on investment.
View Our ServicesCAREERS
BLN is always looking for the top talent. Learn more about career opportunities and benefits of working at BLN.
ApplyOUR SERVICES
BLN is an award-winning consulting firm with experience in all facets of infrastructure projects.
Regional Offices
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.
AZ
CO
IN
KY
MI
WV