| Business | Phone |
| Action Based Research 2960 W Bath Rd, Akron 44333 | (330) 670-1117 |
| Cunningham Field Svc 2000 Brittain Rd # 465, Akron 44310 | (330) 630-1627 |
| Peter D Hart Research Assoc 1500 Canton Rd, Akron 44312 | (330) 794-6450 |
| Quick Test 2400 Romig Rd # 402, Akron 44322 | (330) 745-8883 |
| Temarex Corp 526 S Main St # 214, Akron 44311 | (330) 253-7020 |