Olympus Partners-backed Heniff Transportation, a liquid bulk chemical transportation services provider, completed the acquisition of Superior Bulk Logistics, a logistics and trucking services provider. Financial terms were not disclosed. “We are constantly seeking ways to improve our customer service capabilities. Superior has been a top tier carrier for many years. We are confident that our customers, drivers and employees will benefit from the ability to offer more comprehensive shipping solutions,” Bob Heniff, Heniff Transportation founder and chief executive.