Port Logistics Group said it has acquired Pacific Distribution Services, a warehousing and transportation provider serving the ports of Seattle and Tacoma, Wash. Terms were not disclosed.

Epes Logistics Services said Friday it has acquired Cargo Masters Inc., a freight transportation and logistics firm based in Charlotte, N.C. Terms were not disclosed.

Perdue Partners said it has acquired Atlanta-based logistics company Benton Express Inc. Terms were not disclosed.

Arnold Transportation Services said that truckload and logistics firm LinkAmerica Corp. will merge with Arnold at the beginning of the year.

UTi Worldwide said Thursday its third-quarter net income fell to $10.5 million, or 10 cents a share, from $28.5 million, or 28 cents, a year earlier.

Transplace said it has acquired Canadian logistics company Torus Freight Systems. Terms were not disclosed.

APL Logistics said it has acquired U.S. Customs brokerage firm Carmichael International Service. No terms were disclosed.

Companies that provide same-day delivery service are seeing higher revenue, in part because of surging demand from retailers, a survey by the Messenger Courier Association of America found.

Logistics software provider Descartes Systems Group said it has acquired U.K. transportation software company Exentra Transport Solutions Ltd. No terms were disclosed.

Tank truck carrier Quality Distribution said its third-quarter profit rose from a year ago on higher revenue.