| 26AQ | 76655 | PORTER H K CO INC ELECTRICAL DIV AMBRIDGE WORKS |
| 500K | 90759 | NI INDUSTRIES INC BOWERS MFG CO DIV |
| 8413 | 03743 | EGS ELECTRICAL GROUP APPLETON DIV |
| FEDSTD128 | 06542 | FEDERAL STANDARDS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC |
| 54C6 | 56501 | ABB INSTALLATION PRODUCTS INC |
| 724 | 81603 | RACO PRODUCTS CO |
| TYPE8SIZESSTYLE44 | 06542 | FEDERAL STANDARDS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC |
| WJ800 | 81348 | FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC |