Another firm has joined the competitive same-day delivery space, facing off against major logistics firms as it works to find a niche in moving and delivering bulky, heavy items for retailers and consumers. Seattle-based Dolly recently expanded to serve seven large cities and has teamed with such merchants as Costco Wholesale Corp., Crate & Barrel, Lowe’s Cos. and The Container Store.

After a string of high-profile acquisitions pushed XPO Logistics to the top of the Transport Topics Logistics 50 list in 2017, the company kept its No. 1 ranking this year by growing its business organically and by effectively cross-selling transportation and logistics services to shippers.

A security robot that XPO Logistics deployed at its Atlanta logistics facility has reduced incidents in the parking lot and the building’s exterior to zero in the first six months it has been monitoring the area.

UPS Inc. already was in trouble with Wall Street over a long-term investment plan to cope with soaring e-commerce. Now the company is clashing with its pilots union because of a short-term fix for the same challenge.