| Business | Phone |
| Acs Labs-Headspace Techs 5405 E Schaaf Rd, Cleveland 44131 | (216) 642-8515 |
| Cam-Lem Inc 1768 E 25th St, Cleveland 44114 | (216) 391-7750 |
| Chan Test 14656 Neo Pkwy, Cleveland 44128 | (216) 332-1665 |
| Euclid Techlabs Llc 5900 Harper Rd # 102, Cleveland 44139 | (440) 498-0943 |
| Simitec 2490 Lee Blvd, Cleveland 44118 | (216) 320-0941 |
| Fibrateck Scientific 23880 Commerce Park # 100, Cleveland 44122 | (216) 831-4227 |
| Gemini Technologies 11000 Cedar Ave, Cleveland 44106 | (216) 231-1249 |
| General Electric Gelcore 6180 Halle Dr, Cleveland 44125 | (216) 606-6555 |
| Ohio Spectrographic Svc 11341 Glamer Dr, Cleveland 44130 | (440) 845-4030 |
| Laboratory Specialists 1651 Crossings Pkwy, Cleveland 44145 | (440) 835-4458 |