HMT & Associates, Inc. was formed in 1995 by Mr. Harvey Treschow who had managed several national and international engineering firms for over 25 years. Based upon this background, Mr. Treschow took the best of what he had learned along with several of the most talented people to form this company.

This company has evolved as a leader in Civil Site Design & Land Development with over one hundred projects being completed in the Washington County area. HMT & Associates, Inc. represents twenty municipalities as their Municipal Engineers, and over twenty-five municipalities as their UCC Building Code Officials and Inspectors.

The majority of the HMT & Associates, Inc. staff has at least twenty years of expertise in their field. They are all goal oriented. That goal is to design, engineer, and construct every project in the shortest time period with quality work and most importantly within budget.

A brief synopsis of our capabilities and engineering expertise can be found within this web site.


Company Leadership:

Harvey M. Treschow, CEI
President / Founder

Mr. Treschow has over 45 years of engineering, design, construction and project management experience. He has managed several world wide engineering and construction firms, as well as directed and supervised multi-million dollar commercial and industrial projects in over thirty countries around the world. Mr. Treschow takes great pride in his abilities to communicate, and complete projects within their budgets and schedules.
Contact Mr. Treschow

Chalmers B. McCombs, PE, PLS
Manager of Municipal Engineering

Mr. McCombs has more than 50 years of design and engineering experience in municipal and private development project design and engineering. He is a registered Professional Engineer and Land Surveyor in the State of Pennsylvania.
Contact Mr. McCombs

Kerry Krider
Survey & Design Manager

Mr. Krider has more than thirty years of experience in both the fields of civil site design and land surveying. Mr. Krider is proficient in the latest civil design computer software and the latest total station and GPS system technology.
Contact Mr. Krider



HMT & Associates, Inc.
130 Cecil Street
Canonsburg, PA 15317
Phone. 724.916.0061
Fax. 724.916.0075


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