Harris Williams & Co., a middle-market investment bank focused on the advisory needs of clients worldwide, announced that Avtron Loadbank, Inc., a designer and manufacturer of power integrity test and measurement devices, has been acquired by Emerson. Avtron Loadbank was a portfolio company of Morgenthaler Private Equity (MPE). Harris Williams & Co. acted as the exclusive advisor to Avtron Loadbank. The transaction closed on March 15, 2012 and was led from the firm’s Boston office.

“Avtron Loadbank’s highly engineered products play a critical role in the overall performance of standby emergency power systems. We believe the company has found an excellent strategic partner in Emerson as it continues to pursue its many attractive global growth initiatives,” said Bill Roman, managing director of Harris Williams & Co.

Avtron Loadbank is the global provider of power integrity test and measurement devices in the rapidly growing energy and power industry. The company’s load bank devices test and validate the quality and integrity of critical power sources, such as primary and standby generators and uninterruptible power supplies. The company’s broad product line of permanent and portable load banks validates the reliability, effectiveness and safety of generator and uninterruptible power supply performance, thereby preventing catastrophic failure of standby power sources in critical applications such as data centers, hospitals, airports, telecommunications, commercial and industrial buildings, and water and wastewater utilities.

Morgenthaler is a national private equity and venture capital firm, with approximately $3 billion under management.

Emerson, based in St. Louis, MO, is a provider that brings technology and engineering together to provide innovative solutions for customers in industrial, commercial and consumer markets through its network power, process management, industrial automation, climate technologies and commercial and residential businesses.

Harris Williams & Co. is a middle-market investment bank focused on the advisory needs of clients worldwide. It provides sell-side and acquisition advisory, restructuring advisory, board advisory, private placements, and capital markets advisory services.