- University of Maryland / College Park, MD. 20742
- Naval Research Laboratory / Wash., D.C. 20375
- District of Columbia / Wash., D.C.
- 1st Vehicle Services / Wash., D.C. 20002
- Washington Suburban Sanitary Commission / Laurel, MD. 20707
- Washington Metropolitan Airport Authority / Dulles, VA.
- Prairie Farms Dairy / O’Fallon, IL. 62269
- Rossman School / St.Louis, MO. 63143
- PH Pool Management / Charlotte, N.C. 28269
- D.C. Department of Health / Wash., D.C. 20002
- Bulk Tank / Park Hills, MO 63601
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