Get Connected with the Most Reliable Engineers in Alton, IL

SMS Engineers is a local, four-generation civil engineering and land surveying company that has been in business for over a century. Our team of dedicated employees are committed to delivering exceptional services, exceeding client expectations, and forming long-term partnerships. Our expertise ranges from commercial site development, residential subdivision development, municipal infrastructure, transportation, water, wastewater, stormwater, and utility engineering. With our keen attention to detail and genuine client commitment, we direct each project from planning to successful completion.