LJB INC.

LJB INC. specializes in engineering services and specialty trade contracting focused on fall protection systems for mission-critical federal infrastructure. Their core capabilities include the design, certification, inspection, and installation of roof-mounted fall protection systems, including trolley assemblies and anchor point evaluations, primarily for high-risk elevated work environments. They deliver full lifecycle engineering support—from technical assessments and compliance certification to field implementation—ensuring adherence to OSHA, ANSI, and federal safety standards. Their technical expertise spans structural load analysis, fall arrest system design, and facility-specific safety audits, with a demonstrated ability to execute complex projects in sensitive, occupied facilities such as the Pentagon and Smithsonian museums. A key differentiator is their precision in integrating safety systems into historic and architecturally significant structures without compromising integrity or aesthetics. LJB INC. maintains strong, recurring relationships with the Department of Defense, where they perform annual inspections and system upgrades for fall protection at high-value defense installations, and the Smithsonian Institution, where they provide engineering services for heritage building safety compliance. The General Services Administration engages them for national-level engineering consulting under schedule contracts, indicating trusted status as a reliable provider of federal infrastructure safety solutions. Their primary focus is on NAICS 541330 (Engineering Services) and 238990 (Specialty Trade Contractors), positioning them at the intersection of technical engineering and hands-on trade execution. They serve vertical markets requiring stringent safety compliance in federal facilities, particularly those with aging infrastructure or historic preservation requirements. LJB INC. is a small business structured as a 2L entity based in Miamisburg, Ohio. While no federal certifications are listed, their consistent award history across multiple agencies demonstrates proven reliability and technical competence in delivering specialized safety engineering services to the federal government.