| Location | Engineer | No. of stages | Supply (ft3) |
| Rock falls, IL | Willet Hoffman & Ass. Dixon, IL 815-625-1748 |
2 | 51,500 two (2) towers |
| Johnstown, OH | E.M.H.T. Gahanna, OH 614-775-9400 |
2 | 16,000 (32 Ft2/Ft3) 9,125 (65 Ft2/Ft3) (rock replacement) |
| ZEP Industries Atlanta, GA |
Rindt Associates Atlanta, GA |
1 | 40,000 |
| North Regional WWTP Dayton, OH |
M.E. Shirtzinger & Ass Chillicothe, OH |
4 | 205,570 four (4) towers |
| Delawarevalley Indust. Sewage Co. Fort Washington, PA |
D. Stybel NJ |
1 | 7,050 (rock replacement) |
| City of Leamington Leamington, Ont. |
H.J. Heinz | 26,000 | |
| Joliet, IL | Commonwealth Edison | 1 | |
| Sanitherm ltd., BC | Direct | 1 | 1,200 |
| Intl falls | Widseth Smith & Nolting Brainerd, MN |
1 | 34,150 |
| Kings Acres WWTP | The Standard Engineering Corp., NY | 1 | 1,000 |
| Waldorf Township WWTP, MN |
Utilities Consultants, MN | 1 | 2,000 |
| City of Leesburg, VA | Camp, Dresser & McKee | 1 | 50,550 |
| Reading Airport, PA | G. Edwin Pidcock Eng. | 1 | 8,000 |
| Fairdale Farms, PA | Dubois & King, V.T. | 1 | 8,000 |
| Puerto Rico | J.P. Industrial Sales | 2 | 12,500 |
| Dorsey Labs, NE | Direct | 1 | 2,000 |
| Ste-Anne des Plaines, Qc | Dessau | 1 | Degazifier |
| St-Stanislas, QC | Pluritec | 1 | Degazifier |
| Lerousson, Qc | L.B.C.D. | 1 | Degazifier |
