| AAF International |
Fuller-Bulk Handling |
Phillips Petroleum Corp. |
| ADM Corporation |
Fuller-Kovako Corp. |
Pittsburgh Tank |
| Abington Constructors, Inc. |
G. D. Searle & Company |
Pneumafil Corp. |
| Adaptive Engineering |
GM Power Train Division |
Powdersize, Inc. |
| AeroPulse, Inc. |
Gea Niro De Mexico |
Process Engineering, Inc. |
| Agri-Systems |
General Electric – Environmental |
Process Equipment |
| Air Products & Chemicals |
Geon Company |
Processall, Inc. |
| Airecon Manufacturing Corporation |
Goodyear Tire & Rubber |
Proctor & Gamble Paper |
| Allied Gas Turbine |
Griffin Environmental Company |
Proctor & Gamble (Chengdu), Ltd. |
| American Air Filter |
H. B. Reese Candy Company |
Proctor & Gamble Vietnam, Ltd. |
| American Process Systems Co. |
Hercules Incorporated |
Purnell International |
| Amerex Industries, Inc. |
Hershey Chocolates of VA |
Pyropower Corporation |
| Ametek Westchester Plastics |
Hershey Chocolates USA |
Rage Engineering,Inc. |
| Anheuser-Busch Companies |
Hill Pet Nutrition |
Rhone-Poulenc AG Company |
| APV Anhydro |
Hoechst Celanese |
Riceland Foods |
| APV Crepaco, Inc. |
Hoegenaes Corp. |
Rohm & Haas Delaware Vly. |
| Apache Stainless Equip. Co. |
IBM Matl. Distribution Center |
Rohm & Haas of Ky. |
| Aquilla Engineering, Inc. |
ICI Composites |
Sartomer Co., Inc. |
| Ashtech Corporation |
IMF, Incorporated |
Schering-Plough |
| Atochem North America |
Imperial Calumet Industries |
Searle Chemicals |
| Andritz Sprout-Bauer |
Inextra S. A. |
Shick Tube-Veyor Corp. |
| Babcock – Ultrapower |
Inter-Asia Services Corp. |
Shaklee Corp. |
| Barr Murphy (Canada), Inc. |
International Specialty Products |
Shell Chemical Co. |
| BASF Wyandoote |
Iowa Public Service Company |
Shield Alloy Metallurgical |
| Beaumont Birch Company |
J. S. Alberici Construction |
Sly, Inc. |
| Beckert & Heister, Inc. |
Jacobs Applied Tech. |
Smith Kline & French Lab. |
| Best Foods Technical Center |
Jet Air Technologies |
Smoot Company |
| BGP Services |
Jet Wheel Equipment |
SNC-Lavalin |
| B. F. Goodrich Company |
Johnson March Systems |
Sonoco Products |
| Boedecker Company |
Kal Kan Foods Products |
Southern Belting & Trans. |
| Buhler, Inc. |
Kirk & Blum |
Sprout Bauer |
| Buhler (Canada), Inc. |
Kolman Engineering Prod. |
Staclean Diffuser |
| Builders Guild, Inc. |
LaFarge Corporation |
Svedala Industries |
| C. P. Environmental Filters |
Lenape Air Ltd. |
Strandtek International |
| Cabot Canada Ltd. |
Letsch Corporation |
Sun Chemical Company |
| CECO Filters |
Lilly Powder Castings |
Technical Industrial Sales |
| Celanese Fibers Operations |
Littleford Day, Inc. |
Tennessee River Pulp |
| Chicago Conveyor Corporation |
Lukens Steel Company |
3-M Company |
| Cominco Ltd. |
M & M Mars |
Titan Fabricators |
| Commercial Resins |
M W Kellogg Company |
Todd & Sargent |
| ConAgra, Inc. |
Mac Equipment, Inc. |
Tri-City Mechanical Con. |
| Conoco, Inc. |
Magruder Color Company |
Tri-MerCorp. |
| Continental Lime, Inc. |
Marietta Walker Corp. |
Transterre |
| Corn Products International |
Masonite Corporation |
Tweet – Garot Mechanical |
| CPC Specialty Products |
McCarthy Industrial Cont. |
U. S. Filter/Envirex |
| Croll-Reynolds |
Midstates Contracting |
Ultra Industries |
| Crompton Corp. |
Midwest Conveyor |
Ultramar, Inc. |
| Custom Processing Services |
Midwest Grain |
Union Carbide Corporation |
| Damrow Company, Inc. |
MikroPul Environmental |
Uniroyal Chemical |
| Daniel Corporation |
Mississippi Lime Co. |
United Engineers & Constructors |
| Day & Zimmerman |
Mobay Corporation |
United Mechanical Construction |
| DCE, Inc. |
Monsanto Company |
United Fibers, Inc. |
| DCL, Inc. |
Montana Power Corp. |
Universal Air Products |
| Diamond Shamrock Refining |
Murray Sheet Metal |
Universal Dynamics,Inc. |
| Domtar Gypsum, Inc. |
NAFCO |
Universal Millwright |
| Donaldson Company |
National Bulk Equipment |
Varn Products Company |
| Dow Chemical USA |
National Starch |
Visador Co., Inc. |
| Dow Corning |
Natures Bounty |
W. R. Grace & Company |
| Dustex Corporation |
Nestle UK, Ltd. |
W. W. Sly Manufacturing Co. |
| E. R. Squibb & Sons |
Niro Atomizer Food |
Watkins Engineering & Const. |
| E.I. DuPont de Nemours |
Niro Hudson, Inc. |
Wedco, Inc. |
| Eli Lily & Company |
North American Filter |
Westvaco Chemical |
| Envirex, Inc. |
Nova Engineering |
Wheelabrator Canada Co. |
| Erich Machines, Inc. |
Nutrasweet Co. |
Whirl-Air-Flow |
| Fabric Filters Northeast |
O’Hara Technologies |
Witco Corporation |
| Fisher-Klosterman, Inc. |
Ohio Air Systems |
Witte Company |
| Fitzpatrick Company |
Olin Corporation |
Wm. A. Schmidt & Sons |
| Flex Kleen Corporation |
One Source – Transpak |
Wyeth-Ayerst International, Inc. |
| Flex Kleen Canada |
P & G Distributing Co. |
Wyssmont Company |
| Fluid Air |
P & G Paper Products |
Xchanger, Inc. |
| Fluid Energy Processing |
Pacific Engineering |
Xerox Corporation |
| Fluor Daniel |
Packaging Corp. of America |
Young Industries, Inc. |
| FMC Corporation |
Parke Davis |
Zeon Chemicals Kentucky, Inc. |
| FNC International |
Patterson & Sons |
Zona Aduanera Almavlva – Columbia |
| Fru-Con Construction Corp. |
Peabody TecTank |
Zurn/Nepco |
