
2LMN, Inc.
Lancaster, OHYour Trusted Engineering Partner
Service detail: Land Development
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Your Trusted Engineering Partner
Service detail: Land Development
Engineering Firm Specializing in Transportation Design.
Service detail: Bridge Design

Helping You Turn Spaces Into Places
Project: Danville Parks Facilities

Providing sustainable planning and environmental solutions.
Project: Livingston MT Growth Policy
Our Most Powerful Solution is Trust
Service detail: Civil Engineering

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

Creative Engineers. Intelligent Solutions.
Project: Stabilizing SR 4: Rebuilding on an Historic Landfill
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

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

Dynamic strategies. Decisive execution.
Project: City of Mount Vernon Civil Works
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
E.P. Ferris and Associates, Inc. is a civil engineering and land surveying firm founded in 1987 and headquartered in Columbus, Ohio. With over 35 years of experience, it delivers land development design, land surveying, traffic engineering, municipal engineering, and roadway and bridge design to public and private clients throughout central Ohio and the surrounding region.
Project: Union Solar
The Community Impact People
Project: Charles Mill Lake Park
Cleveland's Premier Engineering & Surveying Firm Since 1969
Project: Buehrer Avenue Pedestrian Bridge Rehabilitation

Quality, Precise and Dependable Engineering Services
Project: BGSU Sebo Athletic Center
Ingenuity That Shapes Lives
Project: O'Hare International Airport Terminal 5 Expansion

Redefining the industry. Transforming your experience.
Service detail: Architecture & Design

Nationally recognized. Locally preferred.
Project: Future Legends Sports Complex
Civil engineering services for public sector clients
Service detail: Transportation Engineering

Engineers - Planners - Scientists - Surveyors
Service detail: Energy
KPFF exists to engineer opportunities that have a positive impact on people, places, and the planet.
Project: Portland International Airport (PDX), Terminal Core Redevelopment