Signage go Results Found: 2 Button group with nested dropdown Lamar Advertising Company Lamar Advertising Company Lamar is the nation's leading outdoor advertising firm. Lamar is the nation's leading outdoor advertising firm. 1661 E. Camelback Rd., Ste. 320 Phoenix AZ 85016 (602) 266-2187 Pearson's Enterprises, Inc. Pearson's Enterprises, Inc. 1904 N. Black Canyon Hwy. Phoenix AZ 85009 (602) 272-9461 Visit Website