Wonder what tech firms like Google and Amazon, a Washington D.C. doctor’s office and a chinaware-replacement firm in North Carolina have in common? They all allow employees to bring their pets to work with them. And they’re not alone: almost a million and a half people in the U.S. take their dogs to work with them every day — and that doesn’t count those who share their workspace with other pets like cats, birds, and even reptiles. Dog owners have always insisted that having their pet nearby helps them deal with everyday stress and anxiety as well as more serious …