| Business | Phone |
| Bottorf & Assoc Inc 6729 Edgewater Commerce Pkwy, Orlando 32810 | (407) 298-0846 |
| Test America Analytical Tstng 4310 Anderson Rd, Orlando 32812 | (407) 851-2560 |
| Cal Tech Testing Inc 1655 Acme St, Orlando 32805 | (407) 872-7690 |
| Certified Testing Laboratories 7252 Narcoossee Rd, Orlando 32822 | (407) 384-7744 |
| Southern Research Labs Inc 3477 Parkway Center Ct, Orlando 32808 | (407) 522-7100 |
| Space Science Svc Inc 928 Humphries Ave, Orlando 32803 | (407) 894-1751 |
| Severn Trent Labs 4065 L B Mcleod Rd, Orlando 32811 | (407) 423-0014 |
| R H Construction Svc 4752 Distribution Ct # 9, Orlando 32822 | (407) 281-4373 |
| Qualtest Inc 5325 Old Winter Garden Rd, Orlando 32811 | (407) 293-5844 |
| Florida Radiochemistry Svc Inc 5456 Hoffner Ave # 201, Orlando 32812 | (407) 382-7733 |
| National Certified Testing Lab 8350 Parkline Blvd # 320, Orlando 32809 | (407) 240-1356 |
| Metallurgical Services Inc Orlando 32803 | (407) 898-0880 |
| Leak Testing Specialists 5790 Hoffner Ave # 505, Orlando 32822 | (407) 737-6415 |