Vessco Holdings Acquires Stake in Kennedy Industries

Gryphon Investors Acquires Vessco Holdings from O2 Investment Partners

November 16, 2020

Industrial Services

Gryphon Investors, a San Francisco-based middle-market private equity firm, has acquired Vessco Holdings, a Minneapolis-based value-added distributor and systems integrator for water and wastewater treatment, from O2 Investment Partners. Vessco's management will remain significant owners and the company will pursue organic growth and add-on acquisitions to expand its product offerings and geographic reach.

Vessco Water Acquires Aqua Solutions, Inc.

June 17, 2025

Industrial Services

Vessco Water has acquired Aqua Solutions, Inc., a Middleborough, Massachusetts-based provider of water and wastewater treatment equipment, expanding Vessco's footprint into the New England market. The acquisition brings Aqua Solutions' technical expertise and regional relationships into Vessco's national family of water companies to better serve municipal and industrial customers across the six New England states.

Vessco Inc. (O2-backed) Invests in Dorner Products

March 18, 2019

Manufacturing

Vessco Inc., a water- and wastewater-treatment platform company backed by O2 Investment Partners, has invested in Dorner Products (Dorner Company), a Sussex, Wisconsin supplier of flow control equipment including valves and actuators. The investment is an add-on to expand Vessco's flow-control capabilities and service offering in the Midwest; Vessco also hired Dan Axelson as CFO.

Vessco Water Acquires Rawdon Myers and Haynes Water and Wastewater Equipment

November 20, 2023

Industrial Services

Vessco Water has acquired Rawdon Myers Inc. and Haynes Water and Wastewater Equipment to expand its distribution and service footprint for pumps, flow control, and automation & controls across the United States. The acquisitions add regional service and installation capabilities in Oklahoma/Arkansas and Ohio/Kentucky, strengthening Vessco's ability to support municipal and industrial water and wastewater customers.

Vessco Water Acquires Atlantic Fluid Technology

November 21, 2025

Industrial Services

Vessco Water announced that Atlantic Fluid Technology (Northborough, Massachusetts) has joined the Vessco Water platform as an add-on acquisition. The deal expands Vessco's presence in New England's municipal and industrial water and wastewater markets and adds engineering, distribution, and field-service capabilities focused on valves, actuators, control panels and flow-control equipment.

Vessco Water Acquires R.L. Deppmann Company

September 2, 2025

HVAC & Mechanical

Vessco Water, a family of companies focused on water and wastewater treatment distribution, has acquired R.L. Deppmann Company, a Michigan- and Northern Ohio-focused manufacturer's representative specializing in commercial HVAC, plumbing, and water systems. The acquisition strengthens Vessco's regional network and adds R.L. Deppmann's product portfolio and engineering expertise; terms were not disclosed.