General Atomics Acquires EO Vista, LLC

ATL Partners Acquires Majority Stake in GEOST

August 18, 2021

Aerospace & Defense

New York-based private equity firm ATL Partners has made a majority investment in GEOST, a Tucson, Arizona designer and integrator of small-to-medium electro-optical/infrared sensors for national security space missions. ATL plans to scale GEOST through organic growth, new production capacity and strategic bolt-on acquisitions to expand the company's product capabilities in space domain awareness and related subsystems.

General Atomics (GA-EMS) Acquires MLD Technologies, LLC

August 25, 2025

Aerospace & Defense

General Atomics has acquired the business of MLD Technologies, LLC and will integrate it into General Atomics Electromagnetic Systems (GA-EMS). The purchase brings MLD's expertise in ion-beam-sputtered optical coatings and laser-damage resistant thin-films into GA-EMS to support development and production of high-power laser weapon systems.

Rocket Lab Acquires Geost

August 12, 2025

Aerospace & Defense

Rocket Lab Corporation has completed the acquisition of the parent holding company of Geost, LLC from Lightridge Solutions (a portfolio company of ATL Partners) for $275 million before closing adjustments — comprising approximately $125 million in cash and 3,057,588 shares of Rocket Lab common stock, plus a potential earnout of up to $50 million. The deal brings Geost's electro-optical and infrared (EO/IR) sensor payload capabilities and manufacturing facilities into Rocket Lab, expanding its national security space capabilities and U.S. footprint (Arizona and Virginia).

Vista Equity Partners Makes Strategic Investment in ESO

March 26, 2021

Software

Vista Equity Partners has signed a definitive agreement to make a significant strategic investment in ESO, the Austin-based data and software company serving EMS agencies, fire departments, hospitals and state EMS/trauma offices. Accel-KKR remains an investor and will continue alongside Vista as ESO uses the capital to accelerate product development, data capabilities and customer experience improvements.

Montrose Environmental Group Acquires Vista Analytical Laboratory

June 17, 2021

Environmental Services

Montrose Environmental Group, Inc. (NYSE: MEG) acquired Vista Analytical Laboratory, a specialized environmental testing lab based in El Dorado Hills, California. Vista will be integrated into Montrose’s Measurement and Analysis Segment and operate as part of Enthalpy Analytical, strengthening Montrose’s PFAS and ultra-trace analytical testing capabilities.

Rafael Advanced Defense Systems Acquires PVP Advanced EO Systems

June 29, 2022

Aerospace & Defense

Rafael Advanced Defense Systems Ltd. has acquired PVP Advanced EO Systems, Inc., a Tustin, California–based developer and manufacturer of electro-optical systems. Terms were not disclosed; Rafael said the acquisition will strengthen its U.S. manufacturing footprint and supply chain to better support U.S. prime contractors and warfighters.