Lamar Advertising Company Lamar Advertising Company Search | Advanced Search | New Members | Coupons and Discounts | All Categories Other >> Advertising and Media Lamar Advertising Company 1808 Pacific AveSuite 1Cheyenne, WY 82007 Erin Farmer (307) 635-3613 Visit Site Connect With Us Based out of Casper with satellites in Rock Springs & North Platte, NE. The nations leading outdoor advertising company with over 100 yrs of corporate history. Bulletins, posters, & digital billboards Send a message to: Lamar Advertising Company Your Name: Your Email: Subject: Message: (Date: 4/18/2024)