Addison Search, a portfolio company of Lake Capital, has acquired Addison Group, a Tulsa, Okla.–based provider of IT and financial staffing services. No financial terms were disclosed. The two companies did not have any prior relationship, despite the shared name. www.addisongroup.com
Brentwood Associates has sponsored its second dividend recapitalization of The Teacher Co. Holdings Inc., a Chantilly, Va.–based provider of university-level courses. The deal was financed via a $170 million credit facility, while Brentwood has now returned more than its original investments without reducing its ownership stake. www.thegreatcourses.com
Grey Mountain Partners has acquired the assets of the flat glass division of Hawkins Glass Wholesalers LLC. No financial terms were disclosed. www.greymountain.com
The Riverside Company has agreed to acquire BrandMuscle, a Cleveland-based provider of distributed marketing technology, from Alta Communications. Riverside will merge BrandMuscle into existing marketing platform Centiv Services. No financial terms were disclosed. www.brandmuscle.com
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