Verified Nov 2026
Electronics & Software
·
Largo, Florida
·
Since 1987
ONICON Incorporated manufactures flow meters and BTU energy measurement systems, including turbine, vortex, electromagnetic, thermal mass, and ultrasonic models. The company is headquartered in Largo, Florida, was founded in 1987, and has an estimated 100-200 employees with an estimated revenue band of $10-50 million. It is privately held and serves commercial HVAC, building automation, municipal water, and process control industries. In 2026 the company earned an EcoVadis Gold Medal for sustainability, and it holds ISO 9001 and ISO 14001 certifications.
Onicon Incorporated at a glance
Revenue
$10-50M
Est. band
Employees
100-200
Founded
1987
Headquarters
Largo, Florida
Certifications
ISO 14001 · ISO 9001
Import activity
373
Industries
Automotive
Electronics
Medical
Industrial Equipment
Sourcing and import activity
From US customs bill-of-lading records
US sea imports
373
Named foreign suppliers
30
Top origins
Italy · China · India · United Kingdom
Shared foreign counterparties do not establish that these companies buy from Onicon Incorporated.
What this tells a buyer
ONICON announced a move to a new facility, and in June 2026 it received an EcoVadis Gold Medal for sustainability performance.
The company holds ISO 9001 and ISO 14001 certifications and supplies custom-calibrated flow meters delivered fully programmed, with wet-calibration capability and BACnet and Modbus connectivity.
ONICON is a privately held company with an estimated 100-200 employees and an estimated revenue band of $10-50 million.
Source: US customs bill-of-lading records and public filings · Last verified Nov 05, 2026
STABILITY SIGNALS
Established & active
39 years in operation (founded 1987).
Holds ISO 14001, ISO 9001 certification(s) per public sources.
Overview
ONICON Incorporated manufactures flow meters and BTU energy measurement systems, including turbine, vortex, electromagnetic, thermal mass, and ultrasonic models. The company is headquartered in Largo, Florida, was founded in 1987, and has an estimated 100-200 employees with an estimated revenue band of $10-50 million. It is privately held and serves commercial HVAC, building automation, municipal water, and process control industries. In 2026 the company earned an EcoVadis Gold Medal for sustainability, and it holds ISO 9001 and ISO 14001 certifications.
At a glance
Attribute | Detail |
|---|---|
Founded | 1987 |
Headquarters | Largo, Florida |
Employees | 100-200 |
Revenue | $10-50M (estimated) |
Primary capability | Electronics & Software |
Certifications | ISO 14001 · ISO 9001 |
What Onicon Incorporated makes
The company holds ISO 9001 and ISO 14001 certifications and supplies custom-calibrated flow meters delivered fully programmed, with wet-calibration capability and BACnet and Modbus connectivity.
Certifications
Onicon Incorporated is associated with the following certifications in public sources. Confirm the certified scope for the specific plant producing your part:
ISO 14001 — onicon.com
ISO 9001 — onicon.com
Trade and customs footprint
ONICON announced a move to a new facility, and in June 2026 it received an EcoVadis Gold Medal for sustainability performance. US customs bill-of-lading records list 373 inbound shipments across 30 foreign suppliers, with top origins including Italy · China · India · United Kingdom.
Latest developments
2026-08-19 — A New Home. The Same ONICON Difference. - ONICON Flow and Energy Measurement (onicon.com)
2026-08-19 — ONICON News Archives - ONICON Flow and Energy Measurement (onicon.com)
2026-06-12 — ONICON Earns EcoVadis Gold Medal for Sustainability Excellence 🌍 - ONICON Flow and Energy Measurement (onicon.com)
2026-04-29 — ONICON’s trusted line of flow and energy measurement solutions is on MasterSpec! Specifying the high-quality, precision-engineered products your projects require has never been easier. | ONICON Incorporated (linkedin.com)
2026-02-24 — Testimonial | Why David Stevenson at Onicon Inc. Trusts ArcherPoint by Cherry Bekaert (youtube.com)
2026-02-13 — Stronger Together: ONICON, Accutrol, and Air Monitor at AHR Expo 2026 - ONICON Flow and Energy Measurement (onicon.com)
Facilities
Onicon Incorporated is headquartered in Largo, Florida. Public sources also reference these locations:
Largo, Florida — onicon.com
Company details
ONICON is a privately held company with an estimated 100-200 employees and an estimated revenue band of $10-50 million. Onicon Incorporated was founded in 1987, has an estimated 100-200 employees, and is headquartered in Largo, Florida. On the LightSource stability read it is rated "Established & active": 39 years in operation (founded 1987). Holds ISO 14001, ISO 9001 certification(s) per public sources.
Frequently asked questions
What does Onicon Incorporated make?
ONICON Incorporated manufactures flow meters and BTU energy measurement systems, including turbine, vortex, electromagnetic, thermal mass, and ultrasonic models. The company is headquartered in Largo, Florida, was founded in 1987, and has an estimated 100-200 employees with an estimated revenue band of $10-50 million. It is privately held and serves commercial HVAC, building automation, municipal water, and process control industries. In 2026 the company earned an EcoVadis Gold Medal for sustainability, and it holds ISO 9001 and ISO 14001 certifications.
Where is Onicon Incorporated headquartered?
Onicon Incorporated is headquartered in Largo, Florida (11451 Belcher Rd S, Largo, Florida, 33773).
When was Onicon Incorporated founded?
Onicon Incorporated was founded in 1987.
How big is Onicon Incorporated?
Onicon Incorporated has an estimated 100-200 employees, with revenue in the $10-50M range (estimated).
What certifications does Onicon Incorporated hold?
Onicon Incorporated lists ISO 14001 · ISO 9001 on its website. Confirm the certified scope for the specific plant producing your part.
Does Onicon Incorporated import from overseas suppliers?
US customs bill-of-lading records show 373 inbound shipments for Onicon Incorporated, with top origins including Italy · China · India · United Kingdom.
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Last verified Nov 2026. Is this your company? Request a correction.
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