Museum Ofboulder

Founded by Ed Trumble and Bob Lorenz, Leanin Tree is a supplier of greeting cards. Family-owned, the company has been operational for more than 55 years. Located in Boulder, Colo., it distributes more than 20 million cards annually. Leanin Tree deals in the recycling of printing scrap and office paper, soda cans, phonebooks, fluorescent light bulbs, several types of steel, aluminum and printing plates. The company supplies cards for various occasions, such as anniversaries, birthdays and wedding and blank, congratulations, encouragement, friendship, get well, love, miss you, new baby and sympathy cards. It also offers advent calendars, beverage coasters, calendars, candle tins, Christmas card holders and stationery, socks, invitations, kitchen towels and hot pads, mugs, museum posters and puzzles.