Over 2 million operating hours across more than 100 global installations.
| San Jose State University | San Jose, CA |
| Sunkist Growers | Ontario, CA |
| Frito Lay, Inc. | Bakersfield, CA |
| Hershy Foods, Inc. | Oakdale, CA |
| SRI International | Menlo Park, CA |
| Kawasaki Heavy Industries | Akashi, Japan |
| Loma Linda University & Hospital | Loma Linda, CA |
| Kawasaki Heavy Industries | West Kobe, Japa |
| Toho Gas Company | Aichi, Japan |
| City of Osimo, Italy | Osimo, Italy |
| Toho Gas Company | Aichi, Japan |
| Mainichi News Paper | Osaka, Japan |
| Carrozzeria Bertone SpA | Turin, Italy |
| N.V. PNEM T&O | Heusden,Netherla |
| Mayr-Melnhof Karton GmbrH | Neuss, Germany |
| Unichema | Port Melbourne, Australia |
| Anne Claude Center | Bendigo, Victoria, |
| Alfred Hospital | Prahran, Victoria, |
| Dandenong | Dandendong, Vict |
| Geelong Hospital | Geelong, Victoria |
| Royal Melbourne Hospital | Melbourne, Victor |
| St. Vincent's Hospital | Melbourne, Victor |
| Stadtwerke Riesa | Riesa, Germany |
| Technical University Munich | Garching, Germany |
| Chuetsu Metal Works Co. Ltd. | Toyama, Japan |
| Nisshin Steel | Ichikawa, Japan |
| Semprit | Vienna, Austria |
| Twin City Power Authority | Hildale, Utah |
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