| Kundenname | Stadt | Land |
|---|---|---|
| Endress+Hauser, Inc | Greenwood | United States |
| Enerkem Inc. | Montreal | Canada |
| Engineered Software, Inc. | Lacey | United States |
| Equistar Chemicals, LP | La Porte | United States |
| ExxonMobil Chemical | Baton Rouge | United States |
| ExxonMobil Chemical Company | Baytown | United States |
| ExxonMobil Global Information Services | Beaumont | United States |
| ExxonMobil Global Services Company | Houston | United States |
| ExxonMobil Polyethylene Plant | Beaumont | United States |
| ExxonMobil Research & Engineering | Spring | United States |
| Ferguson | La Porte | United States |
| Ferguson Enterprises | Newport News | United States |
| Ferguson Enterprises | Bakersfield | United States |
| Ferguson Industrial Group | Sharonville/Cincinnati | United States |
| Fisher Controls International LLC | Marshalltown | United States |
| Flow-Tek, Inc. | Houston | United States |
| Flowserve DALCO | Louisville | United States |
| FOXBORO - Siebe Control Valve | Houston | United States |
| G.R. Stucker and Associates, Inc. | Baton Rouge | United States |
| H.D. Baumann Assoc., LTD. | Portsmouth | United States |
| Hatch Associates LTD. | Mississauga | Canada |
| Hatch Energy Ltd. | Calgary | Canada |
| INV Propylene, LLC | Houston | United States |
| John Crane | Morton Grove | United States |
| Kent Engineers & Constructors Inc. | Houston | United States |