Shifrin & Associates

Alkemeyer & Associates, LLC is a reputable consulting engineering firm based in Saint Louis, MO, specializing in mechanical, electrical, and plumbing design. With over two decades of experience, they offer a comprehensive range of services for various projects, including restaurants, retail spaces, commercial buildings, and other miscellaneous facilities. Known for their expertise in energy-efficient and cost-effective designs, Alkemeyer & Associates assists clients in developing tailored solutions that meet their unique project requirements. Since its establishment in 1997, the firm has built a strong reputation for delivering high-quality designs that prioritize functionality and sustainability.Generated from the website

Shannon and Wilson Inc. is a geotechnical and environmental consultant firm located in St. Louis, Mo. Founded in 1954, the firm provides services for the design and construction of transportation facilities, buildings, civil-work structures, military facilities, industrial plants, infrastructure components and energy generators. It specializes in arctic engineering, geographic information systems, hydrogeology, laboratory testing, seismic and tunneling. The firm also works for the projects in transportation, waterfront facilities, rail and property development for both the public and private sector.

Professional Environmental Engineers is a full-service engineering and consultancy firm that specializes in providing environmental consulting and remediation construction services. It provides a variety of environmental consulting and assessment services, such as radon sampling, regulatory compliance, site characterization, and risk and noise assessment. The company s range of environmental remediation services includes site closures, structures decontamination, brownfield cleanup and rapid response. Additionally, it offers wetland, predesign and geotechnical soil investigations. The company also provides lead, asbestos, mold and geophysical surveying services. In addition, it offers remediation of contaminated debris, soil, surface water, groundwater and abatement design services. The company provides wastewater management plans and soil vapor extraction pilot tests to its clients.