Kathryn Keeler and her husband, Stuart de Haaff, own an olive oil company in the hills of central California. The couple spend their days harvesting olives, bottling the oil, labeling the glass bottles and shipping them out, relying primarily on UPS to get their product to kitchens throughout the United States. They are far from alone. UPS handles about a fourth of packages shipped each day in the United States, according to the Pitney Bowes Parcel Shipping Index, many of them for small businesses like Ms. Keeler’s company. Rancho Azul y Oro.But with the labor contract between UPS and 325,000 of its workers expiring at the end of the month and a potential strike looming, business owners around the country are facing what could be the latest in a series of supply chain disruptions they have confronted since the start of the pandemic.Some are preemptively turning to FedEx, the next largest private carrier in the United S …
