Verified Nov 2026
Other
·
Lanham, Maryland
·
Since 1980
Thompson Creek Window Company is a family-owned manufacturer and installer of home improvement products based in Lanham, Maryland. Founded in 1980, it employs roughly 200 to 500 people and reports an estimated revenue band of $100 million to $250 million. The company makes vinyl replacement windows, entry doors, siding, roofing, and gutter systems for residential customers, and recently expanded into the Delmarva Peninsula on November 21, 2025.
Thompson Creek Window Company at a glance
Revenue
$100-250M
Est. band
Employees
200-500
Founded
1980
Headquarters
Lanham, Maryland
Industries
Automotive
Electric Vehicles
Construction
Renewable Energy
Industrial Equipment
Consumer Goods
Overview
Thompson Creek Window Company is a family-owned manufacturer and installer of home improvement products based in Lanham, Maryland. Founded in 1980, it employs roughly 200 to 500 people and reports an estimated revenue band of $100 million to $250 million. The company makes vinyl replacement windows, entry doors, siding, roofing, and gutter systems for residential customers, and recently expanded into the Delmarva Peninsula on November 21, 2025.
At a glance
Attribute | Detail |
|---|---|
Founded | 1980 |
Headquarters | Lanham, Maryland |
Employees | 200-500 |
Revenue | $100-250M (estimated) |
What Thompson Creek Window Company makes
Thompson Creek manufactures its products in-house at a facility in Upper Marlboro, Maryland, and offers energy-efficient, climate-specific windows, including Energy Star certified models, along with professional installation.
Products and capabilities described on the company's own site include Glass, Aluminum (source: thompsoncreek.com).
Latest developments
2026-03-11 — As Thompson Creek grew, its legacy systems could no longer support the pace or complexity of its custom window and door manufacturing. | Bianca W. (linkedin.com)
2026-03-03 — Thompson Creek Opens Applications for 2026 House Proud Heroes Program Honoring Homeowners Who Serve Their Communities (prweb.com)
2026-01-28 — As Thompson Creek Window Company grew, its legacy systems could no longer support the pace or complexity of its custom window and door manufacturing. | Cyncly Windows, Doors & Glass Solutions (linkedin.com)
2025-12-05 — Exciting news — Thompson Creek has officially expanded into the Delmarva region! | Thompson Creek Window Company (linkedin.com)
2025-11-21 — Thompson Creek Window Company Launches New Market Expansion Into the Delmarva Peninsula (prweb.com)
2025-03-05 — Working Her Way Through the Ranks | Window + Door (windowanddoor.com)
Facilities
Thompson Creek Window Company is headquartered in Lanham, Maryland. Public sources also reference these locations:
Upper Marlboro, MD — thompsoncreek.com
Company details
The company is privately held and serves homeowners across Washington D.C., Maryland, Virginia, North Carolina, and now the Delmarva region. Thompson Creek Window Company was founded in 1980, has an estimated 200-500 employees, and is headquartered in Lanham, Maryland.
Frequently asked questions
What does Thompson Creek Window Company do?
Thompson Creek Window Company is a family-owned manufacturer and installer of home improvement products based in Lanham, Maryland. Founded in 1980, it employs roughly 200 to 500 people and reports an estimated revenue band of $100 million to $250 million. The company makes vinyl replacement windows, entry doors, siding, roofing, and gutter systems for residential customers, and recently expanded into the Delmarva Peninsula on November 21, 2025.
Where is Thompson Creek Window Company headquartered?
Thompson Creek Window Company is headquartered in Lanham, Maryland (4200 Parliament Pl, Lanham, Maryland, 20706).
When was Thompson Creek Window Company founded?
Thompson Creek Window Company was founded in 1980.
How big is Thompson Creek Window Company?
Thompson Creek Window Company has an estimated 200-500 employees, with revenue in the $100-250M range (estimated).
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Last verified Nov 2026. Is this your company? Request a correction.
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