About Us

About Hadco International

Experts in Oilfield Appraisals and Consulting

40 +

Years Of Service


In operation since 1982, Hadco International, LLC has become recognized as the industry leader of machinery and equipment appraisals, valuations, evaluations, inventories of machinery, power generation facilities and complete businesses. Hadco valuations are performed by state certified general appraisers, and are well-qualified to perform complex valuations, conforming with Uniform Standards of Professional Appraisal Practice (USPAP), in order to meet today’s strictest standards.


In addition to providing expert appraisals and valuations of machinery and equipment, Hadco provides consulting services to public and private companies, as well as taxing authorities across the United States. Consulting projects are tailored to meet our clients’ unique requirements. Such projects range from providing detailed reports on cost controls, data analysis, and audits, to market research, feasibility studies, consolidations, mergers, acquisition support and impairment.


Mr. Duke W. Coon, President and Chief Executive Officer of Hadco International, LLC is a state certified general appraiser, and holds the highest appraiser’s certification designation available in the United States. Hadco appraisers have served as expert witnesses for legal matters in courts throughout the United States and internationally. Hadco representatives provide expert testimony in the World Court Tribunal in Den Hague, Holland. Hadco’s founder and past president, Harvey A. Davis, PhD, is the author of several books including, “What’s My Rig Worth Today”, and has written technical papers for numerous publications and private industry.


Hadco is a business with global presence and is recognized internationally for its reliability, fairness, integrity and the standards of our services. The evaluations completed by Hadco outside the United States include all types of machinery, equipment and facilities, as well as offshore rig platforms. Hadco operates worldwide and has gained vast expertise in sensitive asset valuations associated with some of the most volatile regions in the world.


One of the cornerstones of our business is the confidentiality of our clients, and Hadco’s proprietary database. Hadco’s database consists of information on all types of machinery and equipment collected from numerous trusted sources over the past four decades. Hadco has an extensive network of knowledgeable and respected professionals around the world providing us with pricing and other market sensitive data. Hadco’s database is updated regularly, and we are proud to use this data to publish our long-standing quarterly publication, The Oilfield Appraiser Newsletter©.