Industrial:

• Huntsman Petrochemical Corp.
• Lone Star Steel Co.
• Temple-Inland Forest Products Corp.
• Fina Oil & Chemical Co.
• Weyerhaeuser
• Mead Westvaco
• International Paper Co.
• Boise Cascade Corp.
• Allstate Insurance Co.
• Tyson Foods

Oil & Gas:

• Hunt Petroleum
• Sklar Exploration
• Hopewell Oil & Gas
• Domain Energy Corp.
• FIG Energy
• Verado Energy, Inc.
• Union Pacific Resources
• Texaco
• Pennzoil Corp.
• Eagle Rock Energy

Municipalities:

• City of Longview (Texas)
• City of Tyler (Texas)
• City of Nacogdoches (Texas)
• City of Lufkin (Texas)
• Jefferson County Drainage District No. 6
  (Beaumont, Texas)
• Angelina County Appraisal District (Texas)
• Smith County Appraisal District (Texas)

Engineering & Architectural Firms:

• Adams Consulting Engineers
• KSA Engineers
• NRS Engineering
• Mesa Design Group
• MHS Planning and Design
• Hart Engineering Retailers/Real Estate Development: Lowe's
• Wal-Mart
• Rosewood Development Corporation
• Lennar Properties
• Whiteco Residential, Inc.
• Hillwood Development
• Klein & Associates

Conservation Organizations &
Government Agencies:

• Texas Parks and Wildlife
• U.S. Fish and Wildlife Service
• National Park Service
• Bureau of Land Management
• U.S. Army Corps of Engineers
• The Nature Conservancy
• The Conservation Fund
• Conservation Capital
• U.S. Department of Justice
• U.S. Forest Service