The Clayton Engineering Company

Sheppard, Morgan & Schwaab, Inc., provides civil engineering and land surveying services to clients throughout Alton, IL, and the surrounding areas. We pride ourselves on our family lineage which we have maintained throughout our 120 years in business. Our services include commercial development, residential development, transportation, construction staking, subdivision of property, and more. Call us today for more information.

Cochran services both the public and private market sectors providing a comprehensive range of services including civil engineering, architecture, land surveying, geotechnical engineering, environmental testing, construction administration, construction testing and inspection, and quality assurance monitoring. Our team of experts will provide analysis, planning and design solutions for your needs relating to site development, new facilities/building improvements, drinking water, wastewater, transportation systems including roadways, bridges, sidewalks, and infrastructure enhancements.