American Securities is in advanced talks to acquire Metaldyne, a Plymouth, Mich.-based auto parts maker, from The Carlyle Group for over $800 million, according to Reuters. Canadian auto parts supplier Linamar Corp. (TSX: LNR) also remains in the running. www.american-securities.com

American Securities is in advanced talks to acquire HHI Group Holdings, a Novi, Mich,-based maker of forged parts and wheel bearings for the North American automotive industry, from KPS Capital Partners for more than $700 million, according to Reuters. www.american-securities.com

Camden Partners has completed its previously-announced take-private acquisition of New Horizons Worldwide Inc., a Conshohocken, Penn.-based IT training company. www.newhorizons.com

CCMP Capital Advisors has completed its previously-announced acquisition of Ollie’s Bargain Outlet, a Harrisburg, Penn.-based specialty retailer of brand-name closeout merchandise, from an affiliate of Apax Partners. No financial terms were disclosed. www.olliesbargainoutlet.com

CVC Capital Partners has agreed to acquire a majority stake in Cunningham Lindsey Group Ltd., a Tampa, Fla.-based loss adjusting and claims management firm, from Stone Point Capital and Fairfax Financial Holdings. No financial terms were disclosed. Allied World Financial Services is investing alongside CVC.www.cunninghamlindsey.com

Kohlberg Kravis Roberts & Co. has agreed to acquire Acteon Group Ltd., a British offshore oil and gas services group, from First Reserve Corp. White Deer Energy will invest alongside KKR for a minority stake. No financial terms were disclosed, but Reuters puts the price at between $1.3 billion and $1.45 billion.www.acteon.com

Resilience Capital Partners has agreed to acquire CR Brands Inc., a West Chester, Ohio–based maker of branded and private label household cleaning and laundry products, from Juggernaut Capital Partners. No financial terms were disclosed. www.crbrandsinc.com

First Reserve Corp. and Triangle Petroleum Corp. (NYSE: TPLM) have formed Caliber Midstream Partners, a joint venture that will provide a full service pipeline solution to producers for oil, natural gas, flow back and produced water/freshwater in the Williston Basin of North Dakota and Montana. Caliber’s initial equity commitment will be $180 million, including $150 million from First Reserve and $30 million from Triangle. www.firstreserve.com

Roark Capital Partners said that it has acquired massage and spa chain Massage Envy from Sentinel Capital Partners. Fortune previously reported on the deal, based on an FTC notice. No financial terms were disclosed.

US Joiner, a Crozet, Va.-based provider of marine joiner and furniture solutions for U.S. government and commercial customers, has acquired certain assets of Maritime Services Corp. No financial terms were disclosed. US Joiner is a portfolio company of J.F. Lehman & Co. www.jflpartners.com

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