Hammontree & Associates, LIMITED
Morris Knowles & Associates, Inc. (A Hammontree Company)
Engineers - Planners - Scientists - Surveyors

  Welcome to
Hammontree & Associates, Limited
and Morris Knowles & Associates, Inc.

(A Hammontree Company)


  Located in North Canton, Ohio, and Delmont, Pennsylvania with additional offices in St. Clairsville, Ohio and Weirton, West Virginia. We offer complete civil engineering and surveying services with departments specializing in oil and gas well site development, pipelines, civil site development, transportation, structures, environmental science, environmental remediation, municipal engineering, landscape architecture, and surveying.  All of our departments have experience in planning, design, and construction as well as the preparation of plans, specifications, and cost estimates.  Our service area extends over a large portion of the eastern United States. We are ranked in the top 100 fastest growing engineering firms in the nation on the Zweig Hot List, placing 67th in the nation in 2013 and 85th in 2012.

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5233 Stoneham Road, North Canton, OH 44720   Phone: 330.499.8817 - Toll Free: 800.394.8817

443 Athena Drive, Delmont, PA 15626   Phone: 724.468.4622

Copyright 2015 Hammontree & Associates, Ltd. All rights reserved
Copyright 2015 Morris Knowles & Associates, Inc. All rights reserved