EIS Holdings, LLC is an environmental and infrastructure services platform consisting of 1 Priority Environmental Services, E ... arth Services & Abatement and Snyder Environmental. This combination of companies creates one of the top three abatement firms by revenue in the U.S., according to Engineering News-Record’s top abatement contractors list. EIS Holdings (www.eisholdings.com) is an environmental and infrastructure services platform consisting of 1 Priority Environmental Services, Earth Services & Abatement and Snyder Environmental & Construction. With 19 offices throughout the country, EIS performs abatement, decontamination, remediation, and other environmental services across the Southern, Midwest, and Rocky Mountain regions of the United States. read more