 Enservco Corporation NYSE American: ENSV, a diversified national provider of specialized well-site services to the domestic onshore conventional and unconventional oil and gas industries, today announced that, as previously disclosed in its recently filed Form 10-K for the year ending December 31, 2019, the Company has received an audit opinion with a going concern qualification. This additional disclosure is required pursuant to NYSE American listing requirements. Through its various operating subsidiaries, Enservco provides a range of oilfield services, including hot oiling, acidizing, frac water heating, and related services. 