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Founded in 1969, Bencor has been at the forefront of the development and advancement of deep slurry wall construction and specialized grouting techniques since their introduction in North America.

McKinney Drilling Company was founded in 1937 by the late Jack & Richard McKinney, who helped pioneer and develop the mechanized drilling machine as we know it today.

Moretrench was founded in 1918 by Thomas Moore in Rockaway, New Jersey. The company began manufacturing and leasing Moore's proprietary conveying excavator.

HJ Foundation was established in 1988, specializing in installing deep foundation solutions.

Founded on Chicago hardpan more than 60 years ago by Vernon Case, Case Foundation began as a local drilled shaft contractor.

View and download the standard Keller Purchase Order Terms and Conditions for Canada and the United States below.

Artificial ground freezing is a technique used in constructing shafts, mines, and tunnels to provide temporary earth support and groundwater control when other conventional methods such as dewatering, shoring, grouting, or soil mixing are not feasible.

The International Symposium on Ground Freezing (ISGF) presents the latest research, innovations, concerns, challenges, and opportunities in the fields of Artificial Ground Freezing and the mechanics of Frozen Earth.