| Business | Phone |
| 1 Day Instant Signs & Banners 815 S Glendora Ave, West Covina 91790 | (626) 960-7450 |
| A Plus Sign Ltd 1302 W Francisquito Ave # C, West Covina 91790 | (626) 918-2630 |
| Dynamic Displays 1149 N Azusa Canyon Rd, West Covina 91790 | (626) 814-8864 |
| Absolute Kustom 815 S Glendora Ave, West Covina 91790 | (626) 960-7450 |