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Interstate Service Company, Inc.

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Brentwood, MD 20722

Company Info

  • Est. 1972
  • Size 20-49 Employees
  • Annual Vol $10 million - $20 million

Qualifications

Our Licenses

2701021637
Class A Contractors License
Virginia - Interstate Service Company, Inc.
2938
HVACR Contractors - Master License
Maryland - James K. Ashen
37
HVACR Contractors - Master License
Maryland - Kenneth Ashen
RC449
Refrigeration/Air Conditioning Contractor
District of Columbia - Interstate Service Company, Inc.
RM379
Refrigeration/Air Conditioning Master Mechanic
District of Columbia - James K. Ashen
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