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Welcome to LJB

We’re engineers, consultants, problem solvers and trusted advisors, improving the quality of life
for the clients, communities and individuals we serve.

LJB Ranked in List of Top 500 Design Firms

LJB’s reputation for providing great client service on a foundation of technical excellence has propelled the firm into the 2022 Engineering News Record (ENR) list of Top 500 Design Firms. LJB’s ranking at #432—based on 2021 gross revenue of $32.8M—puts the firm in the top 1% in the industry.

The Dayton Business Journal tapped LJB CEO, Rod Sommer, for inclusion in its executive profile series. Rod shared a little about himself and a lot about LJB and where the company is headed. Read the article: Engineering firm CEO talks digitalization trends and future market expansions.

Fall Protection Training

LJB’s fall protection training courses provide you with the knowledge to solve your fall protection issues before they arise.

Active in many professional organizations, LJB staff regularly present at industry conferences. Check out where we’ll be next.

About LJB

Founded in 1966, LJB Inc. is a national engineering firm that provides civil and structural engineering, as well as geospatial and safety services. In everything we do, we want to make a positive difference in our world.

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Featured News

LJB Hires Transportation Operations Lead

LJB Hires Transportation Operations Lead

To support the firm’s commitment to providing expert transportation services, LJB…
LJB Hires Senior Traffic Project Manager and Technical Advisor

LJB Hires Senior Traffic Project Manager and Technical Advisor

To support the firm’s commitment to providing expert transportation services in…

From Twitter

This month’s issue of @OccHealthSafety includes an article from LJB Safety expert Kevin Wilcox, P.E., CSP, entitled “Enhance Your Fall Protection Program with Technology.”

Read the full article here: https://t.co/9O7XRQDmu0 https://t.co/kKoeWBRzxG
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