Company Profile

Johnston Construction Company is an environmental and remedial construction contractor located in Dover (York County), Pennsylvania.  Johnston specializes in environmental project construction and hazardous waste cleanup.  Our experience includes the construction of water and waste treatment facilities for both industrial and municipal clients.  Johnston also specializes in the construction of foundations for handling leachate and methane gas at area landfills.  Locally, Johnston does a significant amount of millwrighting and rigging for industrial clients.  In 1997, Johnston merged with Remediation, Incorporated, and environmental remediation company.  Johnston’s remedial capabilities include soil remediation, UST/AST removal, building decontamination, and groundwater treatment system construction.  Recently, Johnston Construction Company combined operations with Industrial Services Division in order to better serve our clients, primarily in the Maryland and Northern Virginia areas.

Initially, Johnston’s services were established in central Pennsylvania, but over the years our service area has expanded to include eastern Pennsylvania, Maryland, New Jersey, Delaware, Virginia, West Virginia, and South Carolina.  We now serve clients in the Mid-Atlantic region and beyond.  Click here to view a map of our geographical range.

All of Johnston’s company officers, project managers, and project engineers have Bachelor of Science degrees in an engineering specialty and some are licensed as professional engineers.  Johnston has a Merit Shop craft workforce that has multi-trade capabilities and an excellent reputation for quality workmanship.  Johnston owns a variety of large construction equipment to handle excavation, structural, mechanical, millwrighting, and hazardous waste cleanup projects.

Currently, the company serves a variety of public and private clients.  In recent years, Johnston’s workload has been divided between municipal and industrial projects.  While the majority of our work is acquired based on plans and specifications, Johnston does a significant percentage of projects on a design/construct basis.  Johnston is eager to understand and solve our clients’ problems and our strength is in jobs that are unusual, difficult, or require significant technical ability.

Johnston’s emphasis on quality workmanship has earned the company the “Accredited Quality Contractor” designation from the Associated Builders and Contractors, Inc.  Click here for more information.

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Johnston Construction Company

Remediation, Inc.

Industrial Services Division, LLC

30 YEARS