In 1972 The Stanley Works purchased Ackley Manufacturing Company, an Oregon manufacturer of specialty air tools for the forestry industry and hydraulic tools for utility construction, agriculture, underwater, and municipal governments. At the time of the aquisition. Ackley was the world's leading manufacturer of hydraulic handheld tools.

In 1984, The Stanley Works purchased HED, Inc., the largest U.S. manufacturer of mounted hydraulic breakers and compactors, and integrated HED's product line, design and manufacturing expertise with the Hydraulic Tools Product Group.

Today, Stanley Hydraulic Tools is the world’s largest handheld hydraulic tool manufacturer and world-wide market leader offering over 150 handheld hydraulic tools and over 30 mounted impact tools.

Stanley Hydraulic Tools is a product group of The Stanley Works with headquarters located at 3810 SE Naef Road, Milwaukie, Oregon 97267-5623.

In 1992, The Stanley Works purchased LaBounty Manufacturing, Inc., the global market leader for mounted, non-impact attachments serving general contractors, scrap metal recyclers, demolition experts, and heavy construction.

Today, LaBounty remains a global leader in the design and innovation of attachments with high quality, durability and lasting performance.

LaBounty® is a business unit of The Hydraulic Tools Product group of the The Stanley Works. The LaBounty® main office is located at 1538 Highway 2, Two Harbors, Minnesota 55616-8015.

Lynx™ Contractor Tools are marketed specifically to the contractor with an innovative method of operating hydraulic tools from most mobile hydraulic equipment found on the job site. Lynx Contractor Tools increase job versatility and production, offer the most efficient power-to-weight ration of any power tool, and decrease operating costs.

Lynx™ Contractor Tools is a business unit of The Hydraulic Tools Product group of The Stanley Works. The main office for Lynx™ Contractor Tools is located at 3810 SE Naef Road, Milwaukie, Oregon 97267-5623.