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Interstate Corporation

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Gaithersburg, MD 20877

Company Info

  • Est. 1980
  • Annual Vol $10 million - $20 million

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Our Story

As a quality leader in the roofing Industry since 1985, Interstate Corporation proudly serves the Washington, D.C. Metropolitan area, and appreciates the opportunities to improve our surrounding communities. Interstate Corporation is a family owned and operated company with an impeccable performance record and portfolio that includes a collection of diverse education, governmental, commercial, and private projects.

What We Do

Regions & Counties Serviced

  • Washington D.C.

District Of Columbia All

Maryland All

Virginia 17

  • Alexandria (City Of)
  • Arlington
  • Clarke
  • Culpeper
  • Fairfax
  • Fairfax (City Of)
  • Falls Church (City Of)
  • Fauquier
  • Fredericksburg (City Of)
  • King George
  • Loudoun
  • Manassas (City Of)
  • Manassas Park (City Of)
  • Prince William
  • Spotsylvania
  • Stafford
  • Warren

Our CSI Codes

07 01 10 - Maintenance of Dampproofing and Waterproofing
07 01 30 - Maintenance of Steep Slope Roofing
07 01 50 - Maintenance of Membrane Roofing
07 01 50.16 - Roof Maintenance Program
07 01 50.23 - Roof Removal
07 01 50.61 - Roof Re-Coating
07 01 50.81 - Roof Replacement
07 01 50.91 - Roofing Restoration
07 06 10 - Schedules for Dampproofing and Waterproofing
07 06 30 - Schedules for Steep Slope Roofing
07 06 50 - Schedules for Membrane Roofing
07 22 16 - Roof Board Insulation
07 33 63 - Vegetated Roofing
07 40 00.00.01 - Roofing and Siding Panels
07 41 13 - Metal Roof Panels
07 42 13 - Metal Wall Panels
07 42 43 - Composite Wall Panels
07 42 63 - Fabricated Wall Panel Assemblies
07 50 00.00.01 - Membrane Roofing
07 51 13 - Built-Up Asphalt Roofing
07 51 13.13 - Cold-Applied Built-Up Asphalt Roofing
07 52 16 - Styrene-Butadiene-Styrene Modified Bituminous Membrane Roofing
07 53 13 - Chlorinated-Polyethylene Roofing
07 53 23 - Ethylene-Propylene-Diene-Monomer Roofing
07 54 16 - Ethylene-Interpolymer Roofing
07 54 19 - Polyvinyl-Chloride Roofing
07 54 23 - Thermoplastic-Polyolefin Roofing
07 57 13 - Sprayed Polyurethane Foam Roofing
07 60 00.00.01 - Flashing and Sheet Metal
07 62 00.00.01 - Sheet Metal Flashing and Trim
10 74 43 - Below-Grade Egress Assemblies
31 01 70.61 - Tunnel Leak Repairs

Project Experience

  • Non-Union
  • Public
  • Private
  • Service Work/Repairs
  • Projects From $5,000,000 to $2,000,000,000

Gallery

Featured Image 1
Our Lady of Good Counsel High School
Featured Image 2
The Container Store
Featured Image 3
Seven Locks Elementary School
Featured Image 4
Patriot High School
Service Area and Locations Map for Interstate Corporation

Associations & Memberships

LEED Green Associate
LEED Green Associate
NRCA (National Roofing Contractors Assn.)
NRCA (National Roofing Contractors Assn.)
Associated Builders and Contractors
Associated Builders and Contractors
MDOT (Maryland Department of Transportation)
MDOT (Maryland Department of Transportation)
LDBE (Local Disadvantaged Business Enterprise)

Preferred Brands

Carlisle Construction Materials
Carlisle Construction Materials
CertainTeed
CertainTeed
Duro-Last
Duro-Last
Firestone
Firestone
GAF
GAF
GenFlex Roofing Systems
GenFlex Roofing Systems
Henry
Henry
Johns Manville
Johns Manville
Soprema
Soprema
Tamko Building Products
Tamko Building Products
U.S. Intec
U.S. Intec
Versico
Versico
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