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Power Solutions International, Inc. designs, engineers, manufactures, markets, and sells engines and power systems in the United States, North America, the Pacific Rim, Europe, and internationally.
The company offers alternative-fueled power systems for original equipment manufacturers of off-highway industrial equipment and on-road vehicles; and large custom-engineered integrated electrical power generation systems. It also provides basic engine blocks integrated with fuel system parts, as well as complete packaged power systems, including combined front accessory drives, cooling systems, electronic systems, air intake systems, fuel systems, housings, power takeoff systems, exhaust systems, hydraulic systems, enclosures, brackets, hoses, tubes, packaging, telematics, and other assembled components. In addition, the company offers compression and spark-ignited internal combustion engines that run on various fuels, such as natural gas, propane, gasoline, diesel, and biofuels in the energy, industrial, and transportation markets. Further, it provides standby and prime power generation, demand response, microgrid, renewable energy resiliency, arbor equipment, and combined heat and power; forklifts, wood chippers, stump grinders, sweepers/industrial scrubbers, aerial lift platforms/scissor lifts, irrigation pumps, oil and gas compression, oil lifts, off road utility vehicles, ground support equipment, ice resurfacing equipment, and pump jacks; and light and medium duty vocational trucks and vans, school and transit buses, and terminal and utility tractors.
The company has a strategic collaboration agreement with Weichai Power Co., Ltd. Power Solutions International, Inc. was founded in 1985 and is headquartered in Wood Dale, Illinois.
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LOS ANGELES, April 10, 2026 /PRNewswire/ -- The Law Offices of Frank R. Cruz announces that investors with losses related to Power Solutions International, Inc. ("Power Solutions" or the "Company") (NASDAQ: PSIX) have opportunity to lead the securities fraud class action lawsuit.

LOS ANGELES, April 10, 2026 (GLOBE NEWSWIRE) -- The Portnoy Law Firm advises Power Solutions International, Inc., (“Power Solutions” or the "Company") (NASDAQ: PSIX) investors of a class action on behalf of investors that bought securities between March 8, 2023 and March 2, 2026, inclusive (the “Class Period”). Power Solutions investors have until May 19, 2026 to file a lead plaintiff motion.

NEW YORK, April 10, 2026 (GLOBE NEWSWIRE) -- The Gross Law Firm issues the following notice to shareholders of Power Solutions International, Inc. (NASDAQ: PSIX). Shareholders who purchased shares of PSIX during the class period listed are encouraged to contact the firm regarding possible lead plaintiff appointment.

LOS ANGELES, April 10, 2026 (GLOBE NEWSWIRE) -- The Schall Law Firm , a national shareholder rights litigation firm, reminds investors of a class action lawsuit against Power Solutions International, Inc. (“Power Solutions” or “the Company”) (NASDAQ: PSIX) violations of §§10(b) and 20(a) of the Securities Exchange Act of 1934 and Rule 10b-5 promulgated thereunder by the U.S. Securities and Exchange Commission. Investors who purchased the Company's securities between May 8, 2025 and March 2, 2026, inclusive (the “Class Period”), are encouraged to contact the firm before May 19, 2026.

NEW YORK, April 9, 2026 /PRNewswire/ -- Why: Rosen Law Firm, a global investor rights law firm, reminds purchasers of securities of Power Solutions International, Inc. (NASDAQ: PSIX) between May 8, 2025 and March 2, 2026, inclusive (the "Class Period"), of the important May 19, 2026 lead plaintiff deadline. So what: If you purchased Power Solutions securities during the Class Period you may be entitled to compensation without payment of any out of pocket fees or costs through a contingency fee arrangement.

Faruqi & Faruqi, LLP Securities Litigation Partner James (Josh) Wilson Encourages Investors Who Suffered Losses In Power Solutions To Contact Him Directly To Discuss Their Options If you purchased or acquired securities in Power Solutions between May 8, 2025 and March 2, 2026 and would like to discuss your legal rights, call Faruqi & Faruqi partner Josh Wilson directly at 877-247-4292 or 212-983-9330 (Ext. 1310). [You may also click here for additional information] New York, New York--(Newsfile Corp. - April 9, 2026) - Faruqi & Faruqi, LLP, a leading national securities law firm, is investigating potential claims against Power Solutions International, Inc. ("Power Solutions" or the "Company") (NASDAQ: PSIX) and reminds investors of the May 19, 2026 deadline to seek the role of lead plaintiff in a federal securities class action that has been filed against the Company.

NEW YORK, April 10, 2026 (GLOBE NEWSWIRE) -- WHY: Rosen Law Firm, a global investor rights law firm, reminds purchasers of securities of Power Solutions International, Inc. (NASDAQ: PSIX) between May 8, 2025 and March 2, 2026, inclusive (the “Class Period”), of the important May 19, 2026 lead plaintiff deadline.

LOS ANGELES, April 09, 2026 (GLOBE NEWSWIRE) -- Glancy Prongay Wolke & Rotter LLP reminds investors of the upcoming May 19, 2026 deadline to file a lead plaintiff motion in the class action filed on behalf of investors who purchased or otherwise acquired Power Solutions International, Inc. (“Power Solutions” or the “Company”) (NASDAQ: PSIX) securities between May 8, 2025 and March 2, 2026, inclusive (the “Class Period”).

NEW YORK, April 9, 2026 /PRNewswire/ -- Pomerantz LLP announces that a class action lawsuit has been filed against Power Solutions International, Inc. ("Power Solutions" or the "Company") (NASDAQ: PSIX). Such investors are advised to contact Danielle Peyton at newaction@pomlaw.com or 646-581-9980, (or 888.4-POMLAW), toll-free, Ext.

New York, New York--(Newsfile Corp. - April 7, 2026) - WHY: Rosen Law Firm, a global investor rights law firm, reminds purchasers of securities of Power Solutions International, Inc. (NASDAQ: PSIX) between May 8, 2025 and March 2, 2026, inclusive (the "Class Period"), of the important May 19, 2026 lead plaintiff deadline. SO WHAT: If you purchased Power Solutions securities during the Class Period you may be entitled to compensation without payment of any out of pocket fees or costs through a contingency fee arrangement.

NEW YORK--(BUSINESS WIRE)--From a Class Period high of $85.75 on March 2, 2026, Power Solutions International, Inc. (NASDAQ: PSIX) shares collapsed to $60.91, a decline of $24.84 per share, or nearly 29%, in a single trading session on unusually heavy volume. Levi & Korsinsky, LLP notifies investors who purchased PSIX securities between May 8, 2025 and March 2, 2026 that a securities class action has been filed. Find out if you qualify to recover your per-share losses. You may also contact J.

New York, New York--(Newsfile Corp. - April 7, 2026) - Bernstein Liebhard LLP, a nationally acclaimed investor rights law firm, reminds Power Solutions International, Inc. ("Power Solutions" or the "Company") (NASDAQ: PSIX) investors of an upcoming deadline involving a securities fraud class action lawsuit commenced against the Company. Should You Join The Power Solutions Class Action Lawsuit?

Faruqi & Faruqi, LLP Securities Litigation Partner James (Josh) Wilson Encourages Investors Who Suffered Losses In Power Solutions To Contact Him Directly To Discuss Their Options If you purchased or acquired securities in Power Solutions between May 8, 2025 and March 2, 2026 and would like to discuss your legal rights, call Faruqi & Faruqi partner Josh Wilson directly at 877-247-4292 or 212-983-9330 (Ext. 1310). [You may also click here for additional information] New York, New York--(Newsfile Corp. - April 7, 2026) - Faruqi & Faruqi, LLP, a leading national securities law firm, is investigating potential claims against Power Solutions International, Inc. ("Power Solutions" or the "Company") (NASDAQ: PSIX) and reminds investors of the May 19, 2026 deadline to seek the role of lead plaintiff in a federal securities class action that has been filed against the Company.

Philadelphia, Pennsylvania--(Newsfile Corp. - April 7, 2026) - What is Happening? Grabar Law Office is investigating claims on behalf of shareholders of Power Solutions International, Inc. (NASDAQ: PSIX).

LOS ANGELES, April 07, 2026 (GLOBE NEWSWIRE) -- The Schall Law Firm , a national shareholder rights litigation firm, reminds investors of a class action lawsuit against Power Solutions International, Inc. (“Power Solutions” or “the Company”) (NASDAQ: PSIX) violations of §§10(b) and 20(a) of the Securities Exchange Act of 1934 and Rule 10b-5 promulgated thereunder by the U.S. Securities and Exchange Commission. Investors who purchased the Company's securities between May 8, 2025 and March 2, 2026, inclusive (the “Class Period”), are encouraged to contact the firm before May 19, 2026.