EPS
- South Bend, Indiana
- 31 Years Experience
- International
- Mid
- Expert Witness
- ASA · Verify
About
EPS is an engineering and appraisal firm based in South Bend, Indiana, founded in 1995 by Dr. John A. Williams. The company holds ASA accreditation from the American Society of Appraisers in Machinery & Technical Specialties. EPS specializes in engineering analysis, financial appraisals, forensic investigation, and litigation support across energy, manufacturing, and environmental sectors.
Services & Specializations
EPS provides asset valuations, depreciation and obsolescence evaluations, intangible asset appraisals, and specialized valuations in oil and gas. The firm also offers technical analysis and expert witness testimony for litigation, along with engineering assessments and forensic investigations of equipment failures and industrial accidents.
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Full Bio
Dr. John A. Williams, PE, ASA, is the founder and general manager of EPS, established in 1995. He holds an Accredited Senior Appraiser designation from the American Society of Appraisers in Machinery & Technical Specialties, focusing on energy, environmental, and manufacturing technologies. Dr. Williams earned his PhD in Chemical and Fuels Engineering from the University of Utah, an MBA in Finance from the University of Chicago, and a BS in Chemistry from the University of Delaware. With over 40 years of operations, engineering, and construction experience, Dr. Williams is recognized as an expert in engineering analysis and financial appraisal of energy, power, and manufacturing technologies. He is a licensed professional engineer in more than 20 states, a Certified Fire and Explosion Investigator, and a Fellow of the American Institute of Chemical Engineers. EPS provides comprehensive engineering analysis, forensic investigation, technology assessment, financial appraisals, and expert reporting services.
Notable Engagements
EPS serves diverse sectors including energy, manufacturing, chemicals, environmental services, and bioprocessing with multidisciplinary teams of engineers and technical experts.
Credentials & Verification
Credentials held by John PhD, each independently verifiable:
- VerifyASAIssued by American Society of Appraisers

