| Business | Phone |
| Aaron Engineering Svc 5414 W Roosevelt Rd, Chicago 60644 | (773) 287-1191 |
| Accugen Laboratories Inc 5401 W 65th St # 4, Chicago 60638 | (708) 594-7288 |
| Accurate Metal Laboratories 6245 S Oak Park Ave, Chicago 60638 | (773) 229-1110 |
| Aero Testing & Balancing 2225 W Hubbard St, Chicago 60612 | (312) 421-5024 |
| American Scientific Lab 7006 N Western Ave, Chicago 60645 | (773) 262-3788 |
| Axion Analytical Labs 14 N Peoria St 100, Chicago 60607 | (312) 243-2153 |
| Genesis Clinical Laboratory 5332 S Archer Ave, Chicago 60632 | (773) 582-4520 |
| Biosafe Laboratories 8600 W Catalpa Ave, Chicago 60656 | (773) 693-0400 |
| Blue Ridge Laboratories 3911 S Canal St, Chicago 60609 | (773) 373-7325 |
| Gabriel Environmental Svc 1421 N Elston Ave, Chicago 60622 | (773) 486-2123 |
| Calumet Associates Inc 6245 S Oak Park Ave, Chicago 60638 | (773) 229-0550 |
| Flood Testing Laboratories Inc 1945 E 87th St, Chicago 60617 | (773) 721-2200 |
| Central Pregnancy Testing 2744 N Western Ave, Chicago 60647 | (773) 772-7575 |
| Central Clinical Laboratories 7101 W Archer Ave, Chicago 60638 | (773) 788-1577 |
| Meat Industry Laboratories Inc 1950 W Pershing Rd, Chicago 60609 | (773) 523-7017 |
| Stat Analysis Corp 2201 W Campbell Park Dr 315, Chicago 60612 | (312) 733-0551 |
| Scientific Control Labs Inc 3158 S Kolin Ave, Chicago 60623 | (773) 254-2406 |
| Nicl Laboratories 6441 S Pulaski Rd, Chicago 60629 | (773) 582-8480 |
| Monitor Labs Inc 5801 N Northwest Hwy, Chicago 60631 | (773) 594-1830 |
| Phoenix Chemical Lab Inc 3953 W Shakespeare Ave, Chicago 60647 | (773) 772-3577 |
| Psychemedics Corp 333 N Michigan Ave 414, Chicago 60601 | (312) 444-9072 |
| Rcm Laboratories Inc 221 N La Salle St 1108, Chicago 60601 | (312) 984-9050 |
| Metromed Labvs 111 N Wabash Ave, Chicago 60602 | (312) 263-7437 |
| Impact Forensics 53 W Jackson Blvd, Chicago 60604 | (312) 431-1857 |
| Jantech Svc Inc 300 N Elizabeth St, Chicago 60607 | (312) 226-0087 |
| Lab Comparisons 758 N Larrabee St, Chicago 60610 | (312) 410-7210 |
| Dna-Id Check In 680 N Lake Shore Dr 807, Chicago 60611 | (312) 335-3927 |
| Metromed Labs 150 E Huron St, Chicago 60611 | (312) 943-3966 |
| Metromed Labs 676 N Saint Clair St, Chicago 60611 | (312) 642-1041 |
| Smith Kline Beecham Clin Labs 4085 N Broadway St, Chicago 60613 | (773) 281-8058 |
| Emsl Analytical Inc 2444 W George St, Chicago 60618 | (773) 313-0099 |
| Molecular Toxicology Labs 6539 N Bosworth Ave, Chicago 60626 | (773) 274-3658 |
| Infrared Inspections Inc 6554 S Austin Ave, Chicago 60638 | (708) 865-7700 |
| Rconndt 4934 W Grace St, Chicago 60641 | (773) 282-8311 |