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

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
Reliable partnership. Trusted solutions.
Project: UH Ahuja Medical Center - Drusinsky Sports Medicine Institute

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

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
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

Innovative Ideas | Exceptional Design | Unmatched Client Service
Project: SR 161 at Maple Canyon Avenue
Trusted to Build What's Next
Project: Youngstown Air Reserve Station Hanger Renovation
Innovative Civil Engineering Firm
Project: CUY-490/010-2.09/19.28 Opportunity Corridor 3

Providing Materials, Structural Integrity and Reliability Solutions Through Innovative Engineering
Service detail: Structural and Pipeline Integrity Analysis
Ingenuity That Shapes Lives
Project: O'Hare International Airport Terminal 5 Expansion

Nationally recognized. Locally preferred.
Project: Future Legends Sports Complex
Engineered Comfort. Genuine Performance.
Service detail: Forensic and Building Investigation Services
KPFF exists to engineer opportunities that have a positive impact on people, places, and the planet.
Project: Portland International Airport (PDX), Terminal Core Redevelopment

Expect More. Experience Better.
Project: RUS Bus Transit Facility

Unparalleled customer service, collaborative teams, and thoughtful designs.
Project: Ohio Expo Center State Fairgrounds Improvements
National Presence. Hyper-Local Focus.
Service detail: Civil Engineering

Engineers and Consultants
Service detail: Engineering & Design Services

Experts in new design and restoration engineering
Project: H Mart American Dream

Local Expertise. National Reach.
Project: Swarthmore College Sharples Dining Hall & Community Commons

From inspired vision to impactful solutions
Project: Library Expansion to Accommodate New Dining Hall

Revealing the Cause. Mitigating the Risk.
Service detail: Forensic Engineering & Investigation
Skyhook Structural Engineering, P.C. (SSE) is a Brentwood, Tennessee structural engineering firm founded in June 1999 by William O'Donnell. SSE provides structural design, construction document production, and construction administration for healthcare facilities, office buildings, water and wastewater treatment structures, parking garages, residential and mixed-use developments, retail buildings, pedestrian bridges, hotels, churches, and educational facilities. The practice is licensed in 37 states and operates from offices in Brentwood, Asheville, and Columbus.
Service detail: Structural Engineering Services