Lewellyn Technology LLC

Founded in 1976, Alt & Witzig Engineering Inc. has been one of the leaders in providing environmental consulting, geotechnical engineering/construction testing and inspection services. The company's concrete testing includes air entrainment content, slump testing, cylinder molding for compressive strength testing and yield tests. In addition, its specialty testing expertise comprises of Swiss hammer testing, Windsor probe, petrographic analysis, hardened air content and concrete coring. Alt & Witzig Engineering Inc. also performs environmental drilling, property assessment, remediation services, underground storage tanks solutions and many more. The company has worked on thousands of projects throughout the Midwest and has performed majority of its work in Indiana, Ohio, Illinois, Kentucky and Michigan.

Environmental Service Associates, located in Carmel, IN, specializes in providing expert guidance and solutions for environmental due diligence. Their mission is to deliver timely, cost-effective services while ensuring responsiveness to client needs. Committed to high-quality service, Environmental Service Associates emphasizes clear communication and thorough follow-ups to ensure client satisfaction. The team prides itself on delivering accurate reports and invoices, all while maintaining a focus on budgetary considerations. Generated from the website

Established in 1988, August Mack Environmental is a full-service environmental consulting and engineering firm. It specializes in due diligence, compliance and site investigation services. Its range of environmental services includes groundwater sampling, well installation, indoor air quality study, soil excavation and property condition assessment. The company provides a variety of site investigation and remediation services, such as completion reporting, construction management, pilot testing, surface water evaluation and remedial estimating. Its clients include Bremen Bearings, Anderson Concrete, Spaulding Composites Company, Ashley Capital and Globe Valve Corporation. In addition, it offers a number of process engineering services, such as compliance audit, dispersion modeling, process safety management, and air monitoring and permitting. Headquartered in Indianapolis, the company has locations in St. Louis; Lancaster, Pa.; and Dublin, Ohio.