Green Group Holdings


Green Group has the backing of two privately held investors, Herzog and Phillips & Jordan, Inc. Both companies have decades of experience in landfill construction and operation. Each company is a leader in its field and both share resources and expertise with Green Group’s staff and operations.

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Herzog is a North American leader for integrated services in civil and rail construction, rail transit operations, and right-of-way maintenance. Founded in 1969, the privately held organization presently operates through a diverse group of companies throughout the United States, Canada, and the Caribbean.

Herzog’s design-build and CM/GC project portfolio has grown to include some of the largest and most complex heavy, commuter, and light rail systems in the U.S.; Locations include Boston, Denver, Dallas/Ft. Worth, Los Angeles, San Francisco Bay, southern Florida, and the greater Salt Lake City area.

Focused on safety, quality, and innovation, Herzog brings the latest specialized technology to the rail industry for PTC, survey and data management, rail flaw detection, and maintenance-of-way equipment. Our turnkey maintenance services for Class 1 railroads and short lines keep our clients’ infrastructure properly maintained without disruptions to operations.

With the dedication of our 2,400+ professionals across the U.S., Herzog is recognized each year for safety excellence by top industry associations and is consistently ranked among the “Top 10 Contractors in Mass Transit and Rail” by Engineering News-Record.


Phillips & Jordan, Inc. (P&J), a Phillips Infrastructure Holdings, Inc. company, is a woman-owned, heavy civil and infrastructure contractor established in 1952. Our Core Values and Priorities – Integrity, Safety, Quality, and Production – guide our daily business practices. P&J is a People First company, and we hold safety as imperative above all other objectives. We carry this commitment with us as we pursue challenging projects in three primary service areas:

  • Heavy Civil Infrastructure Development (Power Generation, Water Resources, and Industrial & Commercial),
  • Right-of-Way Infrastructure Development (Power Delivery and Pipeline Services), and
  • Disaster Response.

P&J is a national contractor that is registered to do business in all 50 states and has performed work in over 40 states over the past decade. Headquartered in Knoxville, TN, P&J currently employs a workforce of approximately 1,200 individuals and maintains regional and project offices throughout the United States.