Find engineering consulting firms by capability and location.

Engineering reliable transportation and heavy civil infrastructure since 1976

Create ahead.

Engineers, Architects, Surveyors & Grant Writers

Site civil and dry utility engineering, from first feasibility sketch to final inspection.

Excellence in Engineering since 1962

Creative Engineers. Intelligent Solutions.

We solve complex water issues for the public

Providing Innovative Construction Solutions

Filtration Solutions Inc. (FSI) engineers and supplies industrial filtration and wastewater treatment systems from its facility in Hackettstown, NJ. Its research and expertise in filter-separation technology spans process fluids, fuel and solvent filtration, water and wastewater treatment, and machining fluid recycling. FSI's WRS membrane filtration systems reduce oily wastewater volume by 90 to 98 percent for machine shops and industrial facilities, handling both free and emulsified oils without fouling conventional equipment.

Design. Build. Operate.

Exceptional, innovative, and comprehensive engineering and contracting solutions

Proven Track Record

LT Butler Professional Engineering Services provides civil and structural engineering for commercial and residential structures, wastewater treatment facilities, and community revitalization projects. Based in Omaha, Nebraska, the practice specializes in historic renovations, low-income housing tax credit services, tax increment financing support, and comprehensive project management.

Otter Creek Engineering (OCE) is a Vermont-based civil and environmental engineering consultancy established in 1998. With offices in East Middlebury and Rutland, OCE provides evaluation, design, permitting, and construction administration services for water, wastewater, stormwater, and highway improvement projects throughout Vermont and New Hampshire. OCE has designed and administered construction of hundreds of municipal infrastructure projects across the state and serves municipal, commercial, institutional, and residential clients.

Ruettgers & Schuler Civil Engineers is a consulting civil engineering firm established in 1980 in Bakersfield, California, specializing in traffic impact and transportation studies, grade separation, and right-of-way engineering throughout the San Joaquin Valley. The practice has provided comprehensive project management for major rail and highway grade separation projects and has conducted more than 500 transportation studies in Kern County and the San Joaquin Valley, including traffic impact analysis for solar and wind energy projects, master plan communities, and major retail commercial developments. Working primarily with public agencies including special districts, cities, counties, and the State of California, Ruettgers & Schuler also coordinates with major rail companies including Union Pacific Railroad and BNSF Railway.

Science, Service, and Solutions for Rivers and Watersheds

Designing for the Future...

Sustainable quality design and professional engineering solutions