Verified Nov 2026
Electronics & Software
·

Raymond, Maine
·
Since 1942
Dielectric is a designer and manufacturer of broadcast systems, headquartered in Raymond, Maine, United States. Founded in 1942, it has an estimated 100-200 employees and an estimated revenue band of $50-100 million. It is a subsidiary of Sinclair Broadcast Group and serves the broadcast, telecommunications, automotive, electric-vehicle, electronics, industrial-equipment, and aerospace industries. In 2026 it reported deployments of its OptiLoad systems for television transmission projects in Texas.
Dielectric at a glance
Revenue
$50-100M
Est. band
Employees
100-200
Founded
1942
Headquarters
Raymond, Maine
Certifications
ISO 9001
Import activity
47
Industries
Automotive
Electric Vehicles
Electronics
Industrial Equipment
Aerospace
Sourcing and import activity
From US customs bill-of-lading records
US sea imports
47
Named foreign suppliers
8
Top origins
China · Spain · Italy · United Kingdom

Shared foreign counterparties do not establish that these companies buy from Dielectric.
What this tells a buyer
Dielectric announced in March 2026 an OptiLoad design with an external heat exchanger intended to reduce HVAC load in RF facilities.
The company holds ISO 9001 certification and lists capabilities including RF systems, transmission lines, antennas, welding, and thermal management.
As a subsidiary of Sinclair Broadcast Group, Dielectric serves broadcasters ranging from rural stations to major metropolitan networks.
Source: US customs bill-of-lading records and public filings · Last verified Nov 05, 2026
STABILITY SIGNALS
Established & active
84 years in operation (founded 1942).
Holds ISO 9001 certification(s) per public sources.
Overview
Dielectric is a designer and manufacturer of broadcast systems, headquartered in Raymond, Maine, United States. Founded in 1942, it has an estimated 100-200 employees and an estimated revenue band of $50-100 million. It is a subsidiary of Sinclair Broadcast Group and serves the broadcast, telecommunications, automotive, electric-vehicle, electronics, industrial-equipment, and aerospace industries. In 2026 it reported deployments of its OptiLoad systems for television transmission projects in Texas.
At a glance
Attribute | Detail |
|---|---|
Founded | 1942 |
Headquarters | Raymond, Maine |
Employees | 100-200 |
Revenue | $50-100M (estimated) |
Primary capability | Electronics & Software |
Certifications | ISO 9001 |
What Dielectric makes
The company holds ISO 9001 certification and lists capabilities including RF systems, transmission lines, antennas, welding, and thermal management.
Products and capabilities described on the company's own site include Thermal Management, Transmission, LED, Electronics, Assembly, Welding, Aluminum, Steel (source: dielectric.com).
Certifications
Dielectric is associated with the following certifications in public sources. Confirm the certified scope for the specific plant producing your part:
ISO 9001 — dielectric.com
Trade and customs footprint
Dielectric announced in March 2026 an OptiLoad design with an external heat exchanger intended to reduce HVAC load in RF facilities. US customs bill-of-lading records list 47 inbound shipments across 8 foreign suppliers, with top origins including China · Spain · Italy · United Kingdom.
Latest developments
2026-08-14 — Dielectric and Foccus Digital Build DTV+ Momentum in Brazil with Successful World Cup Deployments - Dielectric (dielectric.com)
2026-08-14 — News - Dielectric (dielectric.com)
2026-08-12 — Land Communications Deploys Dielectric OptiLoad Systems for Advanced TV Transmission Projects in Texas - Dielectric (dielectric.com)
2026-03-24 — Dielectric Unveils OptiLoad with External Heat Exchanger to Cut HVAC Load in RF Facilities - Dielectric (dielectric.com)
2026-03-16 — Dielectric and PTS Deliver Fast Antenna Recovery for Winnipeg Broadcasters - Dielectric (dielectric.com)
2026-03-04 — Dielectric and SCMS Help Bonneville Bring Farnsworth Peak FM Master System to Life - Dielectric (dielectric.com)
Facilities
Dielectric is headquartered in Raymond, Maine. Public sources also reference these locations:
Maine, USA — dielectric.com
Lewiston, Maine — dielectric.com
Company details
As a subsidiary of Sinclair Broadcast Group, Dielectric serves broadcasters ranging from rural stations to major metropolitan networks. Dielectric was founded in 1942, has an estimated 100-200 employees, and is headquartered in Raymond, Maine. On the LightSource stability read it is rated "Established & active": 84 years in operation (founded 1942). Holds ISO 9001 certification(s) per public sources.
Frequently asked questions
What does Dielectric make?
Dielectric is a designer and manufacturer of broadcast systems, headquartered in Raymond, Maine, United States. Founded in 1942, it has an estimated 100-200 employees and an estimated revenue band of $50-100 million. It is a subsidiary of Sinclair Broadcast Group and serves the broadcast, telecommunications, automotive, electric-vehicle, electronics, industrial-equipment, and aerospace industries. In 2026 it reported deployments of its OptiLoad systems for television transmission projects in Texas.
Where is Dielectric headquartered?
Dielectric is headquartered in Raymond, Maine (22 Tower Road, Raymond, Maine, 04071).
When was Dielectric founded?
Dielectric was founded in 1942.
How big is Dielectric?
Dielectric has an estimated 100-200 employees, with revenue in the $50-100M range (estimated).
What certifications does Dielectric hold?
Dielectric lists ISO 9001 on its website. Confirm the certified scope for the specific plant producing your part.
Does Dielectric import from overseas suppliers?
US customs bill-of-lading records show 47 inbound shipments for Dielectric, with top origins including China · Spain · Italy · United Kingdom.
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Last verified Nov 2026. Is this your company? Request a correction.
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