Infrastructure planning and engineering company; part of Egis · Transportation and public infrastructure engineering

Lochner

Infraday-curated

Chicago, Illinois, United States

U.S. infrastructure consulting firm serving aviation, roads, bridges, transit, rail, water, and public works.

Overview

Lochner is a Chicago-headquartered infrastructure planning and engineering company founded in 1944 and now operating as part of Egis. The firm serves aviation, bridge, highway, transit, rail, water, wastewater, and public works clients across the United States. Its capabilities include planning, engineering and design, environmental services, alternative delivery, construction engineering and inspection, program and construction management, and infrastructure technology. Lochner’s portfolio includes major airport, roadway, rail, transit, and municipal utility assignments, supported by regional offices and specialized operating companies.

Infrastructure sectors

AviationBridges and structuresHighways and roadsTransit and railWater and wastewaterPublic works

Capabilities & services

Planning, design, program management, construction oversight, and technology services for transportation and municipal infrastructure.

PlanningEngineering and designEnvironmental servicesAlternative deliveryConstruction engineering and inspectionProgram and construction managementTechnology

Profile information

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Last editorial check: 2026-10-10.

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