1. American Research & Testing
14934 S Figueroa St, Gardena, CA 90248
Coordinate: 33.89664,-118.28313
Phone: (888) 393-4395
2. Sigma Test Labs
1480 W 178th St, Gardena, CA 90248
Coordinate: 33.86889,-118.30219
Phone: (310) 324-9465
3. Emsi
1300 W 155th St, Gardena, CA 90247
Coordinate: 33.88997,-118.29835
Phone: (310) 366-5820
4. West Coast Laboratories Inc.
116 E Alondra Blvd, Gardena, CA 90248
Coordinate: 33.88537,-118.27523
Phone: (310) 527-6163