• Test Only Center
  407 W Arrow Hwy
• Smog Shop
  252 S Glendora Ave
• Samo's Smog Check
  103 E Arrow Hwy # A
• Glendora Test Only & Smog
  857 E Arrow Hwy
• Glendora Smog Test Only Center
  512 W Route 66 # B
• Alosta Smog Check
  1027 E Route 66 # A