These fine folks are currently featured before every Center Theatre film:

• Center Theatre of Grundy Center
• Grundy National Bank of Grundy Center and Holland
• American Family Insurance - Toni Nederhoff Agency
• Moeller & Walter of Reinbeck
• NAPA of Gladbrook and Grundy Center
• Brick Bungalow of Wellsburg
• Grateful Heart Rubber Stamps & more of Reinbeck
• GNB Insurance of Grundy Center
• Brown Heating and Cooling of Grundy Center
• Grundy Realty of Grundy Center
• Westview Estates of Reinbeck
• Van Wert Inc. of Grundy Center
• Calvary Baptist Church of Parkersburg
• Allen Hospital of Waterloo
• City Builders of Waterloo
• Sunrooms by Team of Hudson
• Michele Henze, Lockard Realty
• Hamilton College of Cedar Falls
• City Sanitary Service of Parkersburg
  ...and of course, Indigo Ingenuity Graphics & Web Productions, LLC of Holland and Cedar Falls

Here are a few examples of slides:

More examples can be found here, on the Indigo Ingenuity site.