NAPERVILLE, Ill., March 23, 2011 /PRNewswire/ -- Portola Packaging, Inc. announces its pending acquisition of Integra-Seal Industries, LLC, Kingsport, Tenn., for an undisclosed amount.  The sale is expected to close by the end of March.

Founded in 1999, Integra-Seal is a manufacturer of low-density polyethylene tamper-evident closures for dairy, juice and bottled water packaging applications. The company is primarily known for its 38mm Integra-Lock snap-on tamper-evident closure.  The company also recently commercialized its tamper-evident Dyna-Seal 38mm plastic snap-screw closure.

"Integra-Seal has been able to build long-lasting brand owner relationships due to its exceptional product quality and customer service.  We look forward to growing those relationships even further, especially with small- to medium-sized dairy and water customers.  Our objective is to deliver the highest levels of customer service, satisfaction and packaging solutions," said Kevin Kwilinski, president and CEO, Portola.

Company president Martin McLean and vice president Dino Caserta will be joining Portola in commercial and tooling engineering-related capacities, respectively.

"We are pleased that Martin and Dino are joining Portola. Their considerable expertise will be an asset as we grow our business further over the coming years," said Kwilinski.  

Portola's existing 90,000 square foot Kingsport manufacturing location produces a variety of tamper-evident closures and employs 110 people.

About Portola Packaging

Portola Packaging, Inc. is a leading manufacturer of stock and custom tamper-evident plastic closures and containers for dairy, juice and other food segments.  The company is known for its superior product integrity, technical capability, global manufacturing footprint and speed-to-market.  For more info: www.portpack.com.

SOURCE Portola Packaging, Inc.