[UPDATE, May 9, 2017: OnyxCenterSource acquired fellow hotel commission recovery specialist eCommission Solutions. Onyx CEO Mark Dubrow said the deal expands his company's client base and provides pre-existing ECS clients "an expanded hotel network and additional support services around the world." Dubrow added that Onyx is determining how the ECS "big data platform" may help build out business intelligence services. ECS founder and CEO Paul Hoffmann "will stay on in a consulting role," according to the Onyx announcement. Terms of the transaction between the privately held firms were not disclosed. Meanwhile, the ECS lawsuit against . . .