| Business | Phone |
| Abitec Co 22800 Lakeland Blvd, Cleveland 44132 | (216) 289-9190 |
| Automatic Switch Co 26401 Emery Rd # 105, Cleveland 44128 | (216) 360-0366 |
| Avtron Manufacturing Inc 7900 E Pleasant Valley Rd, Cleveland 44131 | (216) 642-1230 |
| Bicron 6801 Cochran Rd, Cleveland 44139 | (440) 248-7400 |
| Burns Electric 1301 E 9th St # 45, Cleveland 44114 | (216) 696-2442 |
| Xerox Corp 6000 Freedom Square Dr, Cleveland 44131 | (216) 642-8854 |
| Wesco Distributing Inc 4741 Hinckley Industrial Pkwy, Cleveland 44109 | (216) 741-0441 |
| Western Digital Corp 2635 Butternut Ln, Cleveland 44124 | (440) 684-1331 |
| Crouse-Hinds Inc 5001 Mayfield Rd # 115, Cleveland 44124 | (216) 381-6822 |
| Tti Inc 5410 Transportation Blvd # 1, Cleveland 44125 | (216) 663-3371 |
| Eltron Electronics 7809 Cambridge Dr, Cleveland 44141 | (440) 526-2311 |
| Erico International Corp 34600 Solon Rd, Cleveland 44139 | (440) 248-0100 |
| Exonic Systems 4511 Rocky River Dr, Cleveland 44135 | (216) 362-9300 |
| Fai Electronics 6060 Rockside Woods Blvd # 141, Cleveland 44131 | (216) 642-4300 |
| Rpc Electronics 749 Miner Rd, Cleveland 44143 | (440) 461-4700 |
| Getters Corp Of America 5604 Valley Belt Rd, Cleveland 44131 | (216) 661-8488 |
| Griesser Sales Co Inc 2163 Saint Clair Ave Ne, Cleveland 44114 | (216) 771-6120 |
| Harry Fisher Assoc Inc 27070 Detroit Rd, Cleveland 44145 | (440) 892-0753 |
| Racom Inc 5533 State Rd, Cleveland 44134 | (216) 351-1755 |
| Hexagram Inc 23456 Mercantile Rd, Cleveland 44122 | (216) 464-1057 |
| Preformed Line Products Co 660 Beta Dr, Cleveland 44143 | (440) 461-5200 |
| Hubbell Inc 15400 Pearl Rd # 232, Cleveland 44136 | (440) 572-0160 |
| Impact Agency Inc 3501 Croton Ave, Cleveland 44115 | (216) 361-0676 |
| Pfeiffer & Hawkins Sales Co 1355 Valley Belt Rd, Cleveland 44131 | (216) 739-0753 |
| Jefferson Electric 1454 Lewis Dr, Cleveland 44107 | (216) 228-7513 |
| Keithley Instruments Inc 28775 Aurora Rd, Cleveland 44139 | (440) 248-0400 |
| Nu Di Products Co Inc 12730 Triskett Rd, Cleveland 44111 | (216) 251-9070 |
| Nu-Di Products Co Inc 12706 Triskett Rd, Cleveland 44111 | (216) 251-1071 |
| Kirkwood Industries Inc 4855 W 130th St, Cleveland 44135 | (216) 267-6200 |
| Lad Technology Inc 730 Beta Dr # B, Cleveland 44143 | (440) 461-8002 |
| Nebulatronics Inc 24542 Nobottom Rd, Cleveland 44138 | (440) 243-2370 |
| Marine Mechanical 23555 Euclid Ave, Cleveland 44117 | (216) 692-6300 |
| Moeller Electric Corp 5350 Transportation Blvd # 3, Cleveland 44125 | (216) 662-0560 |