Browse the Top 3 Engineering Companies Serving Fairfax, VA

Charles P Johnson & Associates is a full-service civil engineering firm specializing in land planning, environmental services, surveying, and infrastructure development since 1971. We deliver tailored engineering solutions for residential, commercial, and municipal projects across the Mid-Atlantic region. Our expertise in multidisciplinary coordination and regulatory compliance ensures efficient project execution from concept to completion.

Gauthier Alvarado & Associates provides comprehensive architectural and engineering services with a focus on sustainable design, term contract management, and interdisciplinary collaboration. Our firm integrates structural, mechanical, and electrical systems into cohesive solutions for government, commercial, and institutional clients. With expertise in energy conservation, peer reviews, and design-build methodologies, we deliver technically advanced environments that balance functionality, safety, and environmental stewardship.

Setty & Associates is a multidisciplinary engineering firm specializing in MEP/FP design, commissioning, and energy services. We deliver sustainable, high-performance building systems for healthcare, education, government, and commercial clients nationwide. Our mission combines technical excellence with innovation to create resilient, energy-efficient spaces that enhance occupant well-being and reduce environmental impact.