JMF Underground Inc Employee Directory

Oil and GasPennsylvania, United States11-50 Employees

JMF Underground Inc. is a mid-sized oil and gas contractor based in Mechanicsburg, Pennsylvania, that partners with utility companies and their affiliates to perform maintenance and install new pipeline infrastructure, including main lines and service lines. With more than a decade of directional drilling experience across the East Coast, the company has developed expertise in various installation contexts and underground challenges. It operates a fleet of horizontal directional drilling rigs and handles utility work across telecommunications, municipal projects, and the oil and gas sector, with the capacity to drill 0 to 24 inches in diameter and up to 2,500 feet in length.

Safety, quality, and pride anchor the firm’s operations, supported by ongoing training, field audits, and a formal health and safety program with dedicated personnel. The company maintains stringent safety practices, including pre-employment drug testing and independent audits, and has reported zero reportable incidents over the past three years. In June 2025, JMF Underground was announced as acquired by Delphi Infrastructure Group in partnership with MPE Partners, signaling a change in ownership while the company continues project work.

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