| 24AQ | 76655 | PORTER H K CO INC ELECTRICAL DIV AMBRIDGE WORKS |
| 400K | 90759 | NI INDUSTRIES INC BOWERS MFG CO DIV |
| 52C6 | 56501 | ABB INSTALLATION PRODUCTS INC |
| 753 | 28488 | RACO, A DIVISION OF HUBBELL INCORPORATED(DELAWARE) |
| 8474 | 03743 | EGS ELECTRICAL GROUP APPLETON DIV |
| FEDSTD128 | 81348 | FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC |
| W-J-800 | 81348 | FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC |