| STATUS | INST | LOCATION | CITY | STATE | COUNTRY |
| SD | A | ZIETERION TH (STATE) | NEW BEDFORD | MA | USA |
| SD | B | PAUL DOWNING (STRG) | NEW BEDFORD | MA | USA |
| SD | C | SENETOS | NEW BEDFORD | MA | USA |
| OK | D | ZIETERION TH (STATE) | NEW BEDFORD | MA | USA |
| AD | DA | -CS, +CS (IDENTICAL FROM OP 1677) | NEW BEDFORD | MA | USA |
| AD | DB | -RE, +Z-TRONICS RE | NEW BEDFORD | MA | USA |
| AD | DC | +TR (TRIVO) | NEW BEDFORD | MA | USA |