ARRO Consulting acquired Mountain Research LLC on June 30, 2026, to expand its environmental capabilities and geographic reach in central Pennsylvania.

AcquirerARRO Consulting (US)
TargetMountain Research (US)
Deal ValueUndisclosed
Type of DealAcquisition
Date AnnouncedNot disclosed
Closing DateJune 30, 2026
Buy-side AdvisorsNot disclosed
Sell-side AdvisorsNot disclosed
Legal Buy-side AdvisorsNot disclosed
Legal Sell-side AdvisorsNot disclosed

Deal Mechanics:

ARRO Consulting acquired Mountain Research LLC, a well-established environmental consulting and drilling services firm based in Altoona, Pennsylvania. The acquisition aims to enhance ARRO's environmental service line by adding specialized drilling expertise.

Strategic Rationale:

The deal will enable ARRO to expand its geographic reach into central Pennsylvania and strengthen its portfolio of environmental solutions through the integration of Mountain Research’s long-standing client relationships and technical capabilities. This move aligns with ARRO's commitment to delivering comprehensive, sustainable services in water, environmental technology, and infrastructure.

Financial Context:

The terms of the deal were not disclosed, but industry observers see this as a strategic expansion for ARRO Consulting aimed at bolstering its market position within the Environmental & Infrastructure Services sector. Mountain Research’s extensive experience spans more than 40 years across Pennsylvania and the Mid-Atlantic region, making it an attractive addition to ARRO's service offerings.

Outlook:

With this acquisition, ARRO Consulting is poised to offer a wider range of environmental services while maintaining its focus on personalized client care. The integration of Mountain Research’s drilling expertise promises to create new opportunities for collaboration and innovation within the firm.