The following table is a partial list of drinking water installations of Ozono Elettronica Internazionale (OEI). Cities are indentified for installations in Italy only.
| Year | Client | Location | Flow Rate m3/hour | Ozone Production gm O3/hour |
|---|---|---|---|---|
| 1984 | LANDI A. & C. ENGIN | Cremona | 10 | 30 |
| 1986 | CTA | Bergamo | 150 | 150 |
| 1986 | Bioresearch | Svizzera | 15 | 1040 |
| 1987 | Commune di Pieve di S | Treviso | 75 | 72 |
| 1988 | Ville Andrezieux | France | 300 | 910 |
| 1988 | Ville Hennebont | France | 1000 | 2000 |
| 1988 | Massenza | Piacenza | 20 | |
| 1988 | Ecoplan | Cesano M. | 20 | 100 |
| 1991 | Darci | Varese | 100 | 200 |
| 1991 | Officina Turritana-Sassari | Sardegna | 50 | |
| 1991 | Officina Turritana-Sassari | Sardegna | 4000 | 10000 |
| 1992 | Aquasisst | Cuneo | 140 | 280 |
| 1994 | Degremont Italia | Forli | 4000 | 10000 |
| 1995 | Comune di Macedonia | Macedonia | 140 | |
| 1995 | Comune di Campertogno | Vercelli | 50 | 100 |
| 1996 | Officina Turritana | Sassari | 1000 | 3185 |
| 1996 | Unidro | Milan | 10 | 140 |
| 1996 | Consorizio Acqua Potable | Milan | 200 | 460 |
| 1997 | Fisia | Chiusi | 350 | 1300 |
| 1997 | Comune di Siniscola | Mantova | 500 | 2330 |
| 1997 | Castagnetti | Turin | 50 | 250 |
| 1998 | Consorizio Acqua Potable | Milan | 200 | 460 |
| 1998 | Saur | France | 910 | |
| 1998 | Saur | France | 2135 | |
| 1998 | ADSF | France | 2135 | |
| 1999 | Saur | France | 525 | |
| 1999 | Saur SEAEP du Segreen | France | 455 | |
| 1999 | Saur | France | 455 | |
| 1999 | Ville Agudour | France | 500 | 2000 |
| 1999 | Ville Fontvieille | France | 100 | 240 |
| 1999 | Ville Blainville | France | 200 | 500 |
| 1999 | Ville Boussac | France | 250 | 500 |
| 1999 | Consiag | Carmignano | 250 | 420 |
| 1999 | Coge-Simbirizzi | Sardegna | 10000 | 36000 |
| 2000 | Passavant Sanpietro | Sardegna | 10000 | 36000 |
| 2000 | Ville Morannes | France | 190 | 440 |
| 2000 | Ville Lion D’Angers | France | 100 | 140 |
| 2000 | Ville Arguenon | France | 1100 | 4400 |
| 2000 | Ville Nontron | France | 310 | 660 |
| 2000 | Ville thiers | France | 220 | 440 |
| 2000 | Saurs – SIAEP di Segreen | France | 140 | |
| 2000 | Saur – SMAP | France | 4500 | |
| 2000 | Saur – SMAP | France | 4500 | |
| 2000 | Saur | France | 1295 | |
| 2000 | Saur – SIAEP du Segreen | France | 1820 | |
| 2000 | Saur – Syndicat de Nontron | France | 665 | |
| 2000 | Saur | France | 1295 | |
| 2001 | Saur – SMAP | France | 4500 | |
| 2001 | DDAF Kerne Uhel | France | 2135 | |
| 2001 | DDAF Kerne Uhel | France | 1295 | |
| 2001 | Saur | France | 1295 | |
| 2001 | EAF | Cagliari | 10000 | 30000 |
| 2001 | Consorzio Govossai | Nuoro | 1000 | 3000 |
| 2002 | Gaudriot – Ville de Gueret | France | 500 | |
| 2002 | Stereau Syndicat des Eaux | France | 1295 | |
| 2002 | Saur Syndicat du Chambioux | France | 2135 | |
| 2002 | Comune di Budoni | Nuoro | 100 | 250 |
| 2003 | Comente | Columbia | 1000 | 4000 |
| 2003 | Comune di Bosa | Nuoro | 100 | 500 |
| 2004 | City of Cagliari Arborea | Caliari | 450 | 1300 |
| 2004 | City of Baric | Serbia | 500 | 1300 |
| 2005 | City of Florence | Florence | 5000 | 20000 |
Spartan Environmental Technologies, LLC
200 20th St
Butner, NC 27509
