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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.

Jacobs Engineering Group is one of the world s largest and most diverse providers of professional technical services. The company offers scientific and specialty consulting as well as all aspects of engineering, construction, operations and maintenance to industrial, commercial and government clients across the aerospace and defense, automotive, consumer products, chemicals, oil and gas, pharmaceuticals, technology and forest products markets. Its global network includes more than 60 major offices in 15 countries, including an office in Indianapolis, which specializes in capital and maintenance project delivery for the biopharmaceutical, specialty chemical, health care, food and beverage and general manufacturing industries. The Indianapolis office was established in 1987. Headquartered in Pasadena, Calif., Jacobs Engineering has operations in North America, the United Kingdom, Europe, India, Australia and Asia.

Astbury Environmental Engineering, founded in 1994, is a privately owned company providing a full-range of environmental services to industrial and commercial clients. Its services include environmental management, site investigations and corrective action, health and safety services, air compliance, solid and hazardous waste management and wastewater management. The company s employees have varied experience in engineering, geology, chemistry, environmental sciences, health physics, industrial hygiene and management. Astbury provides its services to attorneys, manufacturers, real estate developers and petroleum marketers. Astbury Environmental Engineering is based in Indianapolis.