Kleinfelder

Kleinfelder is a professional services firm that provides engineering, environmental science, and construction-related consulting. The company offers a range of services including geotechnical engineering, materials testing and inspection, civil and structural engineering, environmental planning and permitting, water resources, energy and sustainability consulting, and construction management and program management. Its client base includes public sector agencies, developers, and industrial clients, with work across transportation, water, energy, and land development projects.

Operations are organized around multidisciplinary project teams that integrate field investigations, laboratory testing, design services, and construction support. Kleinfelder serves projects from feasibility and planning through design, implementation, and program oversight, often addressing complex infrastructure and site development challenges.

History and corporate background: Kleinfelder traces its roots to mid-20th-century engineering and scientific practices that expanded through mergers and growth to form a national, multidisciplinary consultancy. Over time, the firm broadened its geographic reach and capabilities, including laboratories and testing services, to better serve clients across North America.

Corporate status: The firm operates as a privately held professional services organization within the engineering and environmental consulting sector. In the 2010s and 2020s, Kleinfelder expanded its scale and capabilities through strategic partnerships and integration with broader networks common in professional services, aiding its ability to deliver large, multi-disciplined programs.

Notable aspects: Kleinfelder is recognized for its geotechnical and environmental services, as well as its experience supporting large transportation, infrastructure, and site development programs with end-to-end project delivery.