about enservco corporation enservco corporation provides a variety of well-site services to the domestic on-shore oil and gas industry. through its two operating subsidiaries, heat waves hot oil service and dillco fluid services, enservco corporation has emerged as one of the energy service industry's leading providers of hot oiling, acidizing and frac heating. from hot oiling to frac heating to water hauling, enservco corporation provides dependable, round-the-clock service to a broad spectrum of large and small u.s. energy companies. based in colorado springs, colorado, the company serves oil and gas producers operating in colorado, utah, wyoming, kansas, texas, oklahoma and new mexico. enservco corporation also has a growing presence in the northeastern united states, where customers are targeting the prolific marcellus shale in the appalachian basin. in addition, the company is establishing a facility in north dakota from which it will serve customers operating in the bakken format