Verified Nov 2026
Metal Fabrication
·
Frederick, Maryland
·
Since 1959
EDCO Inc., originally Equipment Development Company, is a family-owned manufacturer headquartered in Frederick, Maryland, founded in 1959 by Leo Swan and Ed Harding. The company has an estimated 100-200 employees and an estimated annual revenue of $10-50 million. It makes heavy-duty equipment for surface preparation, floor grinding, removal, sawing, and drilling, including Magna-Trap Grinders and Crete-Plane Scarifiers. Its customers include rental companies, construction contractors, and industrial facility managers, and it serves the automotive, construction, and industrial equipment sectors.
Edco at a glance
Revenue
$10-50M
Est. band
Employees
100-200
Founded
1959
Headquarters
Frederick, Maryland
Certifications
ISO 9001
Import activity
376
Industries
Automotive
Electric Vehicles
Construction
Industrial Equipment
Sourcing and import activity
From US customs bill-of-lading records
US sea imports
376
Named foreign suppliers
3
Top origins
China · South Korea
Shared foreign counterparties do not establish that these companies buy from Edco.
What this tells a buyer
The record includes no customs or trade shipment data for EDCO; the most recent public item is a December 15, 2025 company post titled "You Asked. We Answered." published on edcoinc.com.
EDCO lists CNC machining, machining, coating, and tooling among its capabilities and holds ISO 9001 certification.
EDCO is privately held and not publicly traded, and it is recognized for developing the modern concrete floor grinder.
Source: US customs bill-of-lading records and public filings · Last verified Nov 05, 2026
STABILITY SIGNALS
Established & active
67 years in operation (founded 1959).
Holds ISO 9001 certification(s) per public sources.
Overview
EDCO Inc., originally Equipment Development Company, is a family-owned manufacturer headquartered in Frederick, Maryland, founded in 1959 by Leo Swan and Ed Harding. The company has an estimated 100-200 employees and an estimated annual revenue of $10-50 million. It makes heavy-duty equipment for surface preparation, floor grinding, removal, sawing, and drilling, including Magna-Trap Grinders and Crete-Plane Scarifiers. Its customers include rental companies, construction contractors, and industrial facility managers, and it serves the automotive, construction, and industrial equipment sectors.
At a glance
Attribute | Detail |
|---|---|
Founded | 1959 |
Headquarters | Frederick, Maryland |
Employees | 100-200 |
Revenue | $10-50M (estimated) |
Primary capability | Metal Fabrication |
Certifications | ISO 9001 |
What Edco makes
EDCO lists CNC machining, machining, coating, and tooling among its capabilities and holds ISO 9001 certification.
Products and capabilities described on the company's own site include CNC Machining, Machining, Coating, Tooling (source: edcoinc.com).
Certifications
Edco is associated with the following certifications in public sources. Confirm the certified scope for the specific plant producing your part:
ISO 9001 — edcofabrication.com
Trade and customs footprint
The record includes no customs or trade shipment data for EDCO; the most recent public item is a December 15, 2025 company post titled "You Asked. We Answered." published on edcoinc.com. US customs bill-of-lading records list 376 inbound shipments across 3 foreign suppliers, with top origins including China · South Korea.
Latest developments
2026-04-09 — EDCO Office Tenant Improvement Remodel Project Complete (Gilbert, AZ) | Emerald Inc. (emeraldinc.biz)
2025-12-15 — You Asked. We Answered. - EDCO Inc (edcoinc.com)
2025-11-25 — Built to Work: Why Contractors Count on EDCO - EDCO Inc (edcoinc.com)
2025-11-21 — Demolition at Edco (Gilbert) | Emerald Inc. (emeraldinc.biz)
2025-11-11 — The Maryland World Class Consortia - EDCO Lean Plant Tour (leanmaryland.com)
2025-11-09 — Edco Inc. purchases warehouses in Gilbert - Gilbert Independent (yourvalley.net)
Facilities
Edco is headquartered in Frederick, Maryland. Public sources also reference these locations:
Frederick, MD — edcoinc.com
Company details
EDCO is privately held and not publicly traded, and it is recognized for developing the modern concrete floor grinder. Edco was founded in 1959, has an estimated 100-200 employees, and is headquartered in Frederick, Maryland. On the LightSource stability read it is rated "Established & active": 67 years in operation (founded 1959). Holds ISO 9001 certification(s) per public sources.
Frequently asked questions
What does Edco make?
EDCO Inc., originally Equipment Development Company, is a family-owned manufacturer headquartered in Frederick, Maryland, founded in 1959 by Leo Swan and Ed Harding. The company has an estimated 100-200 employees and an estimated annual revenue of $10-50 million. It makes heavy-duty equipment for surface preparation, floor grinding, removal, sawing, and drilling, including Magna-Trap Grinders and Crete-Plane Scarifiers. Its customers include rental companies, construction contractors, and industrial facility managers, and it serves the automotive, construction, and industrial equipment sectors.
Where is Edco headquartered?
Edco is headquartered in Frederick, Maryland (100 Thomas Johnson Dr, Frederick, Maryland, 21702).
When was Edco founded?
Edco was founded in 1959.
How big is Edco?
Edco has an estimated 100-200 employees, with revenue in the $10-50M range (estimated).
What certifications does Edco hold?
Edco lists ISO 9001 on its website. Confirm the certified scope for the specific plant producing your part.
Does Edco import from overseas suppliers?
US customs bill-of-lading records show 376 inbound shipments for Edco, with top origins including China · South Korea.
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Last verified Nov 2026. Is this your company? Request a correction.
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