Verified Nov 2026
Electronics & Software
·
Longmont, Colorado
·
Since 1972
Particle Measuring Systems makes contamination monitoring and control instruments, including laser particle counters, microbial air samplers, and gas and molecular contamination monitors, along with environmental monitoring software. The company is headquartered in Longmont, Colorado, was founded in 1972, and reports an estimated 500 to 1,000 employees and an estimated revenue band of $250 to $500 million. It is a privately held subsidiary of Spectris plc and serves the semiconductor, electronics, medical, automotive, and defense sectors. In August 2026 the company announced a leadership transition.
Particle Measuring Systems at a glance
Revenue
$250-500M
Est. band
Employees
500-1,000
Founded
1972
Headquarters
Longmont, Colorado
Certifications
ISO 9001
Import activity
16
Industries
Automotive
Electric Vehicles
Electronics
Medical
Military & Defense
Plumbing & Hardware
Sourcing and import activity
From US customs bill-of-lading records
US sea imports
16
Named foreign suppliers
3
Top origins
Italy · Taiwan · Singapore
Shared foreign counterparties do not establish that these companies buy from Particle Measuring Systems.
What this tells a buyer
No customs data is available for the company, and its most recent development is a leadership transition announced on August 17, 2026.
The company offers a 20 nm particle counter certified for use with hazardous-area solvents and a single-use microbial monitor for transfer of regulated products, and holds ISO 9001 certification.
As a subsidiary of Spectris plc, the company operates in the semiconductor, electronics, and medical markets, with its revenue band an estimate rather than a reported figure.
Source: US customs bill-of-lading records and public filings · Last verified Nov 05, 2026
STABILITY SIGNALS
Established & active
54 years in operation (founded 1972).
Holds ISO 9001 certification(s) per public sources.
Overview
Particle Measuring Systems makes contamination monitoring and control instruments, including laser particle counters, microbial air samplers, and gas and molecular contamination monitors, along with environmental monitoring software. The company is headquartered in Longmont, Colorado, was founded in 1972, and reports an estimated 500 to 1,000 employees and an estimated revenue band of $250 to $500 million. It is a privately held subsidiary of Spectris plc and serves the semiconductor, electronics, medical, automotive, and defense sectors. In August 2026 the company announced a leadership transition.
At a glance
Attribute | Detail |
|---|---|
Founded | 1972 |
Headquarters | Longmont, Colorado |
Employees | 500-1,000 |
Revenue | $250-500M (estimated) |
Primary capability | Electronics & Software |
Certifications | ISO 9001 |
What Particle Measuring Systems makes
The company offers a 20 nm particle counter certified for use with hazardous-area solvents and a single-use microbial monitor for transfer of regulated products, and holds ISO 9001 certification.
Products and capabilities described on the company's own site include Semiconductor, Electronics (source: pmeasuring.com).
Certifications
Particle Measuring Systems is associated with the following certifications in public sources. Confirm the certified scope for the specific plant producing your part:
ISO 9001 — pmeasuring.com
Trade and customs footprint
No customs data is available for the company, and its most recent development is a leadership transition announced on August 17, 2026. US customs bill-of-lading records list 16 inbound shipments across 3 foreign suppliers, with top origins including Italy · Taiwan · Singapore.
Latest developments
2026-10-19 — BioCapt Single-Use STS Microbial Monitor for RTPs Transfer (pmeasuring.com)
2026-10-12 — 20 nm Particle Counter Certified for Hazardous-Area Solvents (pmeasuring.com)
2026-08-17 — Particle Measuring Systems Leadership Transition Announcement - Particle Measuring Systems (pmeasuring.com)
2026-08-13 — Particle Measuring Systems hosts manufacturers for Q3 convening (bouldereconomiccouncil.org)
2025-10-27 — Particle Measuring Systems - Murphy Company (murphynet.com)
2025-06-09 — 米国本社・主要生産拠点の移転 (pmeasuring.jp)
Company details
As a subsidiary of Spectris plc, the company operates in the semiconductor, electronics, and medical markets, with its revenue band an estimate rather than a reported figure. Particle Measuring Systems was founded in 1972, has an estimated 500-1,000 employees, and is headquartered in Longmont, Colorado. On the LightSource stability read it is rated "Established & active": 54 years in operation (founded 1972). Holds ISO 9001 certification(s) per public sources.
Frequently asked questions
What does Particle Measuring Systems make?
Particle Measuring Systems makes contamination monitoring and control instruments, including laser particle counters, microbial air samplers, and gas and molecular contamination monitors, along with environmental monitoring software. The company is headquartered in Longmont, Colorado, was founded in 1972, and reports an estimated 500 to 1,000 employees and an estimated revenue band of $250 to $500 million. It is a privately held subsidiary of Spectris plc and serves the semiconductor, electronics, medical, automotive, and defense sectors. In August 2026 the company announced a leadership transition.
Where is Particle Measuring Systems headquartered?
Particle Measuring Systems is headquartered in Longmont, Colorado (7477 E Drycreek Pkwy, Longmont, Colorado, 80503).
When was Particle Measuring Systems founded?
Particle Measuring Systems was founded in 1972.
How big is Particle Measuring Systems?
Particle Measuring Systems has an estimated 500-1,000 employees, with revenue in the $250-500M range (estimated).
What certifications does Particle Measuring Systems hold?
Particle Measuring Systems lists ISO 9001 on its website. Confirm the certified scope for the specific plant producing your part.
Does Particle Measuring Systems import from overseas suppliers?
US customs bill-of-lading records show 16 inbound shipments for Particle Measuring Systems, with top origins including Italy · Taiwan · Singapore.
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Last verified Nov 2026. Is this your company? Request a correction.
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