| Kundenname | Stadt | Land |
|---|---|---|
| PBF Holding Company LLC. | Parsippany | United States |
| Petrobras America Inc. | Houston | United States |
| Plant Services, Inc. | Stafford | United States |
| Process Supplies & Accessories, Inc. | Loudon | United States |
| ReCon Management Services, Inc. | Sulphur | United States |
| Richards Industries, Inc. | Cincinatti | United States |
| Samson Controls Inc | Baytown | United States |
| Sandelius Instruments | Houston | United States |
| Saturn Methanol Company L.L.C. | Kingwood | United States |
| SBM Offshore USA Inc. | Houston | United States |
| Schneider Electric Systems USA Inc. | PAMPA | United States |
| Sharpe Valves | Northlake | United States |
| Shell Scotford Refinery | Fort Saskatchewan | Canada |
| Siemens Energy Inc. | Orlando | United States |
| Sun Chemical | Newport | United States |
| Syncrude Canada Limited | Fort McMurray | Canada |
| The Foxboro Company | Foxboro | United States |
| University of Notre Dame | South Bend | United States |
| UOP LLC | Des Plaines | United States |
| Westlake US 2 LLC | Houston | United States |
| Westlake US 2 LLC | Westlake | United States |
| Wolseley Industrial Group | Clarksville | United States |
| Wolseley Industrial Group | Fort Edward | United States |
| Wolseley Industrial Group | Morrisville | United States |
| WorleyParsons | Edmonton | Canada |
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