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Environmental Services

Large-scale infrastructure development, environmental permitting, and operations

Environmental Services Experts

Green Group

An environmental services company, Green Group specializes in large-scale infrastructure development, environmental permitting, and operations for solid waste landfills, recycling facilities, industrial parks, and transfer stations.

Herzog has significant ownership and management interest in Green Group Holdings, LLC, in partnership with Phillips & Jordan, Inc. Green Group has decades of experience to support client needs at each stage of waste management.

Related Capability
Who We Serve
Waste collection contractors & municipalities
Environmental engineering firms & consultants
Environmental contractors
Industrial & manufacturing sector
Oil & gas sector
Capability Services
Solid waste disposal & recycling
Oil and gas disposal & recycling
Project Process
Facility construction, operations, and maintenance
Environmental services
Stakeholder engagement

Infrastructure development

Green Group’s highly-engineered, environmentally-secure waste and recycling facilities often serve as the anchor in a mixed-use development. During all stages of development, Green Group prioritizes public safety and the protection of the environment while staying compliant to all state and federal requirements.

Facility construction, operations, and maintenance

Green Group provides turnkey service by managing all aspects of the waste facility development process, from siting to operation, and even closure & post-closure of facilities when needed.

  • Siting
  • Permitting
  • Design
  • Construction
  • Management
  • Operation
  • Closure & post-closure

Environmental services

Green Group offers comprehensive services for clients, from project management, to excavation, demolition, and construction of facilities.

  • Environmental remediation
  • Waste characterization, separation, and recycling
  • Waste assessments, compliance, and approvals
  • Transportation logistics
  • Natural disaster, emergency response, and contingency planning
  • Wetlands mitigation, stream restoration, environmental impact assessments

Stakeholder engagement

Green Group helps to find common ground with residents, elected officials, and regulatory agencies to move projects forward while protecting the environment.

  • Stakeholder identification
  • Planning & research
  • Impact analysis
  • Strategic communication
  • Negotiation & partnership

Solid waste disposal
& recycling

Green Group services span the entire life-cycle of solid waste and recycling management. Green Group provides beneficial reuse of material and maximizes disposal capacity for new or existing landfill sites with complex geological conditions or special waste processing needs.

  • Municipal solid waste management
  • Leachate monitoring, collection, and treatment
  • Non-hazardous, industrial, special waste processing
  • Coal and fly ash disposal
  • Methane gas detection and collection
  • Dewatering, stabilization, solidification services

Oil and gas disposal & recycling

Green Group designs facilities to serve the recycling, disposal, and water supply needs of the oil & gas exploration and production industry. This includes commercial oilfield wastewater disposal facilities, industrial landfills, water supply and water sourcing infrastructure, quarries, and Class I injection wells.

  • Water purification and reuse
  • Oil and water-based mud and cutting treatment
  • Contaminated soil, tank sludge, and industrial waste processing

Environmental Services Featured Project

Grasslands Environmental Oilfield Waste Disposal Facility

Grasslands Environmental is a turnkey waste management facility designed to fully serve the disposal and water needs of Wyoming’s oil and gas exploration and production industry at a single location. The facility offers disposal of flowback water, contaminated soil, and industrial waste.


  • Commercial oilfield wastewater disposal facility
  • Industrial landfill
  • A non-potable water supply well
  • Two Class I injection wells


Green Group permitted, designed, built, managed, and operated for 3 years until it was sold in 2017.