The roots of MM&A originated with professional services provided to the coal, aggregate, industrial minerals, unconventional gas, financial, and insurance industries. Professional services include mining engineering, coal and petroleum geology, petroleum engineering, mining-related environmental services, expert witness and litigation support, valuation and appraisals, financial and operations assessment, advisory services, permitting/regulatory services, wireline geophysics, environmental risk assessment, remediation, environmental site assessments and impact studies, hazardous waste evaluation, compliance monitoring and reporting, permitting and emergency response, and 24-hour emergency spill response services.