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Who We Serve

*Commercial Industry
*Hotels
*Goverment Buildings
*Property Management Firms
*Apartments
*Churches
*Shopping Centers
*Hospitals
*Tenant Fit-outs
*New Contruction & More!

Company Background

 

COMPANY PROFILE

 

A family owned and operated business, Interstate Service Company was established by James Ashen in 1972. Although he is still involved with the firm, Mr. Ashen is proud to have recently passed his legacy on to the next generation. Today his daughter and son, Heather D'Jangali and Kenneth Ashen operate and manage Interstate Service Company.  They are looking forward to growing the company in the years to come while maintaining their father's dedication, passion, excellent customer service and unsurpassed reputation. Interstate Service Company is a full service heating, ventilation, air conditioning and refrigeration company. They provide installation, service and repair of all types and sizes of commercial and industrial systems. ISC specializes in construction, maintenance, and service contracts.
 
Given their workforce of approximately fifty (50) full-time employees, ISC is well positioned to handle all of your HVACR requirements. Employees include highly qualified steamfitters, HVACR technicians, Project Managers, Certified Welders, Apprentices, and a highly motivated team of Administrative Personnel. 
 
As reflected by their high percentage of return business, ISC has been providing the highest quality of service to clients in the Maryland, DC and Virginia area for 47 years. This continued success attests to the quality, capability, and consistency of their work, instilling building owners, management companies, and general contractors with secure knowledge that their projects are in the hands of one of the most respected contractors in the area.

Interstate Service Company, Inc.'s goal is to provide you with quality equipment, highly trained service technicians, superior customer service and competitive pricing. ISC sincerely appreciates your interest and looks forward to building a successful business relationship with you. 

Click here to visit our Leadership page to learn more about our team!