LJB continues its position as a leader in the tilt-up concrete industry by earning three more Tilt-Up Concrete Association (TCA) Achievement Awards. At last month’s TCA Convention & Expo, LJB continued our consistent streak of award-winning projects, earning award numbers 87-89 in our impressive history. This year’s award winners include: Fire Station No. 45 – […]

LJB has acquired Aldea Services, a leading provider of engineering solutions for complex underground structures. Founded in 2011, Aldea has worked on some of the most challenging and important underground infrastructure projects in North America. Their team brings unmatched tunneling, geotechnical and structural expertise in the underground engineering field. With 15+ years of experience on […]

Dayton, Ohio — April 28, 2025: LJB Inc. is proud to announce that the firm has moved up to #300 on the Engineering News-Record (ENR) 2025 list of Top 500 Design Firms, cementing LJB’s position firmly within the top 1% of the industry. The significant jump from last year’s #350 ranking reflects LJB’s commitment to […]

In response to recent and rapid growth, Dayton-based LJB Engineering has evolved its leadership structure—promoting Michael Derr to serve as the company’s president. In this role Derr oversees operations, risk management, financial strategy, and company-wide innovation for the national engineering firm. In his time at LJB, Derr has advanced from manager of finance to chief […]

LJB Engineering is thrilled to welcome Pat Ivey to our Transportation Team. A former NCDOT Division 9 Engineer with an impressive 38-year career, Pat’s extensive experience and leadership in transportation planning, management, and public involvement make him an invaluable addition to our team. After earning his degree from NC State, Pat began his journey with […]

LJB’s work on three recent projects earned recognition from the American Council of Engineering Companies (ACEC) Ohio organization. The following award winners showcase our ability to improve quality of life in a variety of ways, as well as our team’s technical capabilities, project management expertise, and team collaboration. Kings Island Drive Roadway & Safety Improvements […]

LJB continues its position as an industry leader in the tilt-up concrete industry by earning three more Tilt-Up Concrete Association Achievement Awards. At last week’s TCA Convention & Expo, LJB brought home awards #84-86, continuing a consistent streak of awards since the program began in 1992. This year’s award winners include: Renfrow Industrial Headquarters – […]

LJB has acquired Grantham & Associates, Inc., located in Garland, Texas–marking LJB’s third acquisition in the past seven months. Grantham has been providing quality professional services to clients throughout the Dallas-Fort Worth Metroplex since 2002. Their team brings expertise in many facets of civil engineering and surveying, including land development, water & wastewater, transportation and […]

LJB’s ongoing and consistent growth have helped us ascend the 2024 Engineering News Record (ENR) list of Top 500 Design Firms. LJB’s new ranking at #350 solidifies our position in the top 1% of the industry. Increasing gross revenue from $41.7M in 2022 to $57.6M in 2023 moves LJB up 65 spots from our ranking […]

LJB has recently finalized the acquisition of Gorrill Palmer, an integrated land development, transportation and municipal engineering firm located in South Portland, Maine. Gorrill Palmer has been providing quality professional services to clients throughout New England since 1998. Their team brings expertise in many facets of civil engineering, including site development design and permitting, municipal […]

LJB is excited to announce its acquisition of Bridge & Stream Engineering Inc., a leading provider of water resources engineering solutions for the nation’s largest railroad companies. Founded in 2005, Bridge & Stream is known for utilizing leading technology to identify dependable solutions for flooding and drainage issues. Its team members are experts in two-dimensional […]

Continuing to earn repeat business and build lasting partnerships drives LJB’s structural engineering team each day, but a little hardware doesn’t hurt. Last month, three projects designed by our Buildings group received recognition from the National Association of Industrial and Office Properties (NAIOP) at two different regional chapter events. See below for details on these […]