Ahlstrom Recovery

Fina Oil & Chemical

Occidental Corp.
Air Liquide, Inc. Firestone, Inc. Olin Corp.
Air Products, Inc.

Fluor Daniel Engineering

 Parsons Process Group, Inc.
Albemarle Corp. Ford, Bacon & Davis PCS Nitrogen Fertilizer
Allied Signal Formosa Corp. Potlatch Corp.
ARCO Chemical Co. Foster - Wheeler Engineering PPG Industries, Inc.
Arizona Chemical Corp

G. E. Plastics, Inc.

 Process Services, Inc

Bayer, Inc.

 Georgia Gulf Corp.

Raytheon Eng.
Bechtel Corporation Georgia Pacific Chemical Riverwood International
BE&K Eng. & Const Georgia Pacific Corp. RPM Engineering
Boise Cascade Corp. Green Bay Packaging R-S-H Engineering
Borden Chemical

Harmony Corp.

 Rubicon Corp.
Brown & Root Huls-America, Inc

SMC McEver Corp.
Bunge, Inc .ICF Kaiser Corp. Stone Container

CDI- Stubbs Overbeck.

 Inland Container Corporation Union Texas Petroleum
C. F. Industries, Inc. International Paper Co.

Walk Haydel Engineering.
Champion Paper

Jacobs Engineering Group, Inc.

 Westvaco Corporation
Chevron Chemical Corp Jacobs Sirrine Weyerhaeuser Corp.
Citgo, Inc. Kellogg/Brown & Root Willamette Corp.

Dow Chemical

 Kerr-McGee Witco Corp.
DSM Copolymer, Inc. Koch Nitrogen, Inc. W.R. Grace
Dupont Kvaerner John Brown  

.Eimco Process Equipment Co.

LaRoche Chemical.

  
Exxon Co., USA Linder & Associates, Inc.  
  MEMC, Inc.  
  Nalco Chemical Corp.  
  Noram Eng. & Constructors, Ltd.