In a saturated market filled with dozens of plumbing and drain cleaning companies, Larry Wieker knew the service trucks owned by his company, B & L Plumbing Inc., had to stand out from the crowd in Colorado Springs, Colorado. And his vivid-purple-colored vehicles do just that, looking as conspicuous as a technician in a clown suit — but the business advantages they offer are no joke.“There are about 500 plumbing companies in Colorado Springs alone, including one-man shops, and about 60 or 70 that do just service work,” says Wieker, who picked the color purple for four of his newer
