
2LMN, Inc.
Lancaster, OHYour Trusted Engineering Partner
Service detail: Land Development
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Your Trusted Engineering Partner
Service detail: Land Development

Innovative, Trusted Structural Engineering Since 1996
Service detail: Core Structures

Industrial Facility Engineering
Project: Calcium Carbonate Production Plant
Allied Erecting & Dismantling Co., Inc. (AED) specializes in the selective and mass dismantling of complex industrial structures. Established in 1973 in Youngstown, Ohio, AED has completed some of the largest and most challenging industrial dismantling projects in the United States, pioneering techniques and equipment for heavy industrial decommissioning. It operates as a wholly owned subsidiary of Allied Consolidated Industries, Inc. (ACI) and draws on sister companies specializing in scrap processing, structural and civil engineering, mechanical engineering, industrial manufacturing, and heavy fabrication.
Service detail: Industrial Dismantling

Allison Structural Group is a Columbus, Ohio-based structural engineering and inspection consulting practice serving developers, architects, contractors, realty companies, and facility owners. It provides structural design for new and existing buildings, site civil consulting, condition assessments, and industrial support structures. Project types range from residential additions and tenant improvements to industrial plant upgrades and commercial property acquisitions. The practice delivers projects using BIM and Revit for clear, coordinated design documentation.
Project: Sawmill Place Apartment Building

Andrew Brock Consulting Engineer LLC is a structural, civil, and specialty delegated engineering practice headquartered in Toledo, Ohio. Serving clients throughout the Midwest and Western states, it provides engineer-of-record services for K-12 and post-secondary schools, industrial facilities, warehouses, hospitals, and commercial developments. The practice has specialized expertise in heavy seismic, high-wind, and Risk Category III and IV facility design, employing 3D building information modeling (BIM) to coordinate seamlessly with architects, contractors, and other consultants.
Service detail: Structural Engineering

Shaping the communities that we call home.
Project: Fountaingrove Passive House
Reliable partnership. Trusted solutions.
Project: UH Ahuja Medical Center - Drusinsky Sports Medicine Institute
Projects on time, everytime.
Service detail: Structural Engineering

Blue Lynx LLC is a structural engineering firm based in Columbus, Ohio, providing structural engineering design, foundation solutions, structural inspection, and structural assessment services throughout Columbus and surrounding areas. With over 16 years of experience, the team is licensed in Ohio and nine additional states and focuses on cost-effective design and meeting client deadlines.
Service detail: Structural Engineering
Creating Space Underground
Project: Champlain Hudson Power Express Trenchless Crossings

Brumbaugh Engineering & Surveying, LLC (BES) is a professional civil engineering and land survey consulting firm serving Ohio, eastern Indiana, and northern Kentucky from its office in West Milton, Ohio. BES provides civil engineering, structural engineering, construction layout, and professional land surveying services to a diverse client base that includes general contractors, architects, utility companies, municipalities and townships, schools, financial institutions, parks and recreation departments, and the private sector.
Service detail: Civil Engineering
Creative Vision, Bold Design
Service detail: Municipal and Civil Engineering

Premier Engineering Design, Construction Support, and Maintenance Services
Service detail: Construction Management

Founded in 2013 by Kevin Carpenter and Bill Marty, Carpenter Marty Transportation is a civil engineering firm specializing in roadway, bridge, traffic, planning, survey, and architecture services. Since its founding, CM has experienced significant growth while maintaining a clear focus on infrastructure design and client service. Headquartered in Columbus, Ohio, CM expanded in 2018 by opening new offices in Cincinnati, Ohio and Charleston, West Virginia. We expanded our services again in 2020 with the launch of Comma Designworks, a full-service architecture branch in Nashville, Tennessee. Infrastructure remains our core focus, supported by leadership that exemplifies our values.
Service detail: Traffic Engineering

Civil and geotechnical engineering from the ground down.
Service detail: Civil and Geotechnical Engineering
Compass Infrastructure Group, LLC is a civil engineering design and project management practice based in Columbus, Ohio. It specializes in bridge and retaining-wall design, roadway and drainage design, traffic signal and system design, bridge and culvert inspection, survey and right-of-way plans, traffic studies, constructability analysis, maintenance of traffic, interchange studies, pedestrian and bicycle facilities, and transportation-related services.
Service detail: Bridge and Structural Engineering
Cramer Engineering, LLC is a structural and forensic engineering consulting firm headquartered in Fairlawn, Ohio, founded and led by James Cramer, P.E. Cramer Engineering serves commercial, industrial, and residential clients across multiple states, with PE licensure held in multiple US states. Services range from structural design and forensic inspections to custom stamped pole barn and barndominium construction plans. Representative projects include the Yellow Creek truss bridge, the Toledo Zoo zip line tower course, foundation engineering for industrial facilities, and structural consulting on commercial and residential structures throughout Northeast Ohio and beyond.
Project: Yellow Creek Truss Bridge

Client-Focused Parking Solutions
Project: Ft. Duquesne and Sixth Parking Garage Facade and Renovation

A Century of Engineering Solutions. A Legacy of Trust.
Project: Perrysburg Diverging Diamond Interchange

Innovative Ideas | Exceptional Design | Unmatched Client Service
Project: SR 161 at Maple Canyon Avenue
Danmark Engineering is a professionally licensed structural engineering firm based in Uniontown, Ohio, serving clients across multiple states. Founded in 2023 by Mark Enos, PE, Danmark delivers structural design and engineering for residential, commercial, and industrial projects, prioritizing clear communication and technical rigor to ensure functionality, safety, and durability.
Service detail: Structural Engineering

Exceptional Engineering. Innovative Construction Services. Dedicated to Our People.
Project: Jefferson National Expansion Memorial - Gateway Arch Grounds Renovations
Bridging science and humanity
Project: Terminal Warehouse