Verified Nov 2026
Electronics & Software
·
Mayfield, Ohio
·
Since 1947
Preformed Line Products (PLP) designs and manufactures infrastructure hardware for the energy and communications sectors. It is headquartered in Mayfield, Ohio, United States, and was founded in 1947. PLP reports 1,000-5,000 employees and an estimated revenue band of $500M-1B; it is privately held. Its products serve utilities, telecommunications operators, renewable power, transit, marine, and agriculture customers. In February 2026, the company announced a strategic partnership with FulcrumAir to develop robotic installation systems for power line construction.
PLP at a glance
Revenue
$500M-1B
Est. band
Employees
1,000-5,000
Founded
1947
Headquarters
Mayfield, Ohio
Certifications
ISO 14001 · ISO 45001 · ISO 9001
Import activity
458
Industries
Automotive
Electric Vehicles
Electronics
Appliance
Construction
Plumbing & Hardware
Sourcing and import activity
From US customs bill-of-lading records
US sea imports
458
Named foreign suppliers
50
Top origins
South Korea · Vietnam · Malaysia · China
Shared foreign counterparties do not establish that these companies buy from PLP.
What this tells a buyer
PLP's most recent reported development is a February 17, 2026 announcement of a strategic partnership with FulcrumAir to develop robotic installation systems for power line construction.
PLP holds ISO 9001, ISO 14001, and ISO 45001 certifications and lists capabilities in CNC machining, casting, sheet metal, metal fabrication, tooling, and coating.
PLP is privately held and, per its company profile, operates in more than 20 countries; its expanded substation portfolio includes a 2026 Brazil acquisition.
Source: US customs bill-of-lading records and public filings · Last verified Nov 05, 2026
STABILITY SIGNALS
Established & active
79 years in operation (founded 1947).
Holds ISO 14001, ISO 45001, ISO 9001 certification(s) per public sources.
Overview
Preformed Line Products (PLP) designs and manufactures infrastructure hardware for the energy and communications sectors. It is headquartered in Mayfield, Ohio, United States, and was founded in 1947. PLP reports 1,000-5,000 employees and an estimated revenue band of $500M-1B; it is privately held. Its products serve utilities, telecommunications operators, renewable power, transit, marine, and agriculture customers. In February 2026, the company announced a strategic partnership with FulcrumAir to develop robotic installation systems for power line construction.
At a glance
Attribute | Detail |
|---|---|
Founded | 1947 |
Headquarters | Mayfield, Ohio |
Employees | 1,000-5,000 |
Revenue | $500M-1B (estimated) |
Primary capability | Electronics & Software |
Certifications | ISO 14001 · ISO 45001 · ISO 9001 |
What PLP makes
PLP holds ISO 9001, ISO 14001, and ISO 45001 certifications and lists capabilities in CNC machining, casting, sheet metal, metal fabrication, tooling, and coating.
Products and capabilities described on the company's own site include CNC Machining, Machining, Casting, Sheet Metal, Metal Fabrication, Tooling, Seal, Steel, Brake, Coating (source: plp.com).
Certifications
PLP is associated with the following certifications in public sources. Confirm the certified scope for the specific plant producing your part:
ISO 14001 — preformed.co.nz
ISO 45001 — preformed.co.nz
ISO 9001 — plp.com
Trade and customs footprint
PLP's most recent reported development is a February 17, 2026 announcement of a strategic partnership with FulcrumAir to develop robotic installation systems for power line construction. US customs bill-of-lading records list 458 inbound shipments across 50 foreign suppliers, with top origins including South Korea · Vietnam · Malaysia · China.
Latest developments
2026-07-29 — Preformed Line Products Company (NASDAQ:PLPC) News: Latest News Releases | 6ix (6ix.com)
2026-05-20 — Expanded global reach. Expanded substation expertise. | PLP (linkedin.com)
2026-05-07 — PLP Expands Substation Portfolio with Brazil Acquisition - Transformer Technology (transformer-technology.com)
2026-03-17 — We're proud to share that PLP Composites has been selected by Puget Sound Energy as the supplier for their composite light poles. | Daniel A. Scheerer (linkedin.com)
2026-02-17 — PLP ANNOUNCES STRATEGIC PARTNERSHIP WITH FULCRUMAIR TO DEVELOP NEXT-GENERATION ROBOTIC INSTALLATION SYSTEMS FOR POWER LINE CONSTRUCTION - PLP (plp.com)
2025-05-29 — PLP AND LIGHTERA ANNOUNCE GROUNDBREAKING COMPATIBILITY PROGRAM FOR FTTX CLOSURES AND ROLLABLE RIBBON CABLE - PLP (plp.com)
Company details
PLP is privately held and, per its company profile, operates in more than 20 countries; its expanded substation portfolio includes a 2026 Brazil acquisition. PLP was founded in 1947, has an estimated 1,000-5,000 employees, and is headquartered in Mayfield, Ohio. On the LightSource stability read it is rated "Established & active": 79 years in operation (founded 1947). Holds ISO 14001, ISO 45001, ISO 9001 certification(s) per public sources.
Frequently asked questions
What does PLP make?
Preformed Line Products (PLP) designs and manufactures infrastructure hardware for the energy and communications sectors. It is headquartered in Mayfield, Ohio, United States, and was founded in 1947. PLP reports 1,000-5,000 employees and an estimated revenue band of $500M-1B; it is privately held. Its products serve utilities, telecommunications operators, renewable power, transit, marine, and agriculture customers. In February 2026, the company announced a strategic partnership with FulcrumAir to develop robotic installation systems for power line construction.
Where is PLP headquartered?
PLP is headquartered in Mayfield, Ohio (660 Beta Drive, Mayfield, Ohio, 44143).
When was PLP founded?
PLP was founded in 1947.
How big is PLP?
PLP has an estimated 1,000-5,000 employees, with revenue in the $500M-1B range (estimated).
What certifications does PLP hold?
PLP lists ISO 14001 · ISO 45001 · ISO 9001 on its website. Confirm the certified scope for the specific plant producing your part.
Does PLP import from overseas suppliers?
US customs bill-of-lading records show 458 inbound shipments for PLP, with top origins including South Korea · Vietnam · Malaysia · China.
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Last verified Nov 2026. Is this your company? Request a correction.
Location & contact
Phone
'+1 440-461-5200
Certification
ISO 14001 · ISO 45001 · ISO 9001
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