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

Multidisciplinary engineering and support services in the Baltimore-Washington area
Project: WMATA Bus System Renovations

Civil & Structural Engineering, Design Services, General Contracting, and Construction Management
Project: Washington Avenue Streetscape Project
Engineering for an Integrated World
Project: Denver Central Business District - Traffic Signal Retiming

Innovative Engineering Solutions Since 1980
Project: I-75 (SR93A) Reconstruction, Hillsborough County

Large Firm Expertise Small Firm Values
Service detail: Transportation Engineering
From Blueprint to Reality
Service detail: Civil Engineering

Accompong Engineering Group, LLC offers civil and transportation engineering, planning, and program and project management services. It works with public and private sector clients, including departments of transportation, municipalities, state and federal agencies, contractors, and consultants.
Project: Frederick Douglas Memorial Bridge
A solution-oriented international organization experienced in engineering and IT services.
Project: Grand Ave. Ramp Reconstruction

Your project is our priority.
Service detail: Geotechnical Engineering
Engineering Innovators
Project: SH 130
Founded in 1979, Alvi Associates provides integrated multidisciplinary engineering services across structural, water resources, transportation, and geotechnical engineering for complex infrastructure projects. Based in Towson, Maryland, the practice has earned numerous national and state engineering awards and is recognized for first-of-its-kind solutions in the Mid-Atlantic region and beyond. Nearly all clients are repeat clients, reflecting decades-long relationships with government agencies, engineering consultants, law practices, and contractors.
Project: Forensic Investigation for Edenville Dam Failure

Raising the Quality Standard
Project: NY Botanical Garden Dome
Safety focused. Mobility Driven.
Service detail: Roadway Design
Smart Solutions. Practical Application.
Service detail: Geometric Design

Building a Better Texas
Project: US 77 Geotechnical Investigation
More Options. Fewer Surprises. Better Outcomes.
Service detail: Highway Design
Professional transportation engineering, bridge inspection, and construction management services.
Project: Powers Boulevard (CO 21) and Research Parkway Interchange

Value Focused. Community Minded. Quality Driven.
Project: Weber Road at I-55 Diverging Diamond Interchange
Bloom Companies, LLC is an engineering, architecture, and construction management practice founded in 1998 in Milwaukee, Wisconsin. Established by Mathew Tharaniyil, the organization initially focused on bridge and structural engineering, eventually expanding to cover transportation, architecture, electrical and controls, and design-build delivery. It has grown through key acquisitions, including Hay Dobbs in 2024 and Jendusa Design Build in 2025, and serves academic, municipal, transportation, industrial, and utility clients across multiple US offices and international locations.
Project: Historic West Kilbourn Avenue Bascule Bridge Rehabilitation

Bohannan Huston, Inc. is a multi-discipline civil engineering firm headquartered in Albuquerque, New Mexico, with offices in Las Cruces, NM, and Colorado. Its practice spans water resources, transportation, community development, structures, surveying, planning, aviation, and construction engineering for public and private clients in the southwestern United States. Its professional staff manages projects from initial planning through final construction phase engineering, with particular depth in water and wastewater systems serving the arid Southwest.
Project: Paseo Del Norte/I-25 Interchange Extension
Engineered For Life
Project: Patroon Island Bridge

Experience Dedicated to Your Success
Project: DART Green Line Light Rail Expansion
Engineering reliable transportation and heavy civil infrastructure since 1976
Project: DFW Connector