Manufacturers of Sound Level Meters

 Below is a carefully compiled list of major international manufacturers of Sound Level Meters (SLMs) along with their head office contact details (address, phone, email, website). These are globally recognized companies in acoustic measurement.

🌍 International Manufacturers of Sound Level Meters (SLMs)

1. Larson Davis (USA)

Overview:
A leading global manufacturer of precision sound level meters, noise dosimeters, and acoustic analyzers.

Head Office Contact Details:

• Address: 3425 Walden Ave, Depew, NY 14043, USA

• Phone: +1 716 926 8243

• Toll-Free (USA): +1 888 258 3222

• Email: sales@larsondavis.com

• Website: https://www.larsondavis.com

Specialization:
Environmental noise monitoring, industrial acoustics, and occupational safety instruments. 

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2. RION Co., Ltd. (Japan)

Overview:
One of the oldest and most respected manufacturers of sound and vibration measuring instruments.

Head Office Contact Details:

• Address: 3-20-41 Higashimotomachi, Kokubunji, Tokyo 185-8533, Japan

• Phone: +81-42-359-7888

• Email: (via distributors/global offices)

• Website: https://sv.rion.co.jp

Note:
RION operates globally through distributors and regional offices in Europe, Asia, and America. 

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3. Brüel & Kjær (Denmark)

Overview:
A premium manufacturer known for high-end laboratory-grade sound measurement systems.

Head Office Contact Details:

• Address: Skodsborgvej 307, 2850 Nærum, Denmark

• Phone: +45 77 41 20 00

• Email: info@bksv.com

• Website: https://www.bksv.com

Specialization:
Research-grade SLMs, acoustic analyzers, and calibration systems.

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4. Norsonic AS (Norway)

Overview:
Specializes in advanced sound level meters and environmental noise monitoring systems.

Head Office Contact Details:

• Address: Gunnersbråtan 2, 3409 Tranby, Norway

• Phone: +47 32 85 89 00

• Email: info@norsonic.com

• Website: https://www.norsonic.com

Global Presence:
Offices across Europe and distributors worldwide. 

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5. Castle Group Ltd. (United Kingdom)

Overview:
A well-known manufacturer of industrial noise monitoring equipment.

Head Office Contact Details:

• Address: Salter Road, Cayton Low Road Industrial Estate, Scarborough, North Yorkshire, UK

• Phone: +44 1723 584250

• Email: sales@castlegroup.co.uk

• Website: https://www.castlegroup.co.uk

Specialization:
Workplace noise assessment and compliance instruments. 

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6. BSWA Technology Co., Ltd. (China)

Overview:
A rapidly growing manufacturer offering cost-effective sound level meters and acoustic solutions.

Head Office Contact Details:

• Address: Building 3, No. 18, Fenghui Middle Road, Haidian District, Beijing, China

• Phone: +86-10-5875-8881

• Email: info@bswa.com.cn

• Website: https://www.bswa.com.cn

Specialization:
Electroacoustic testing and environmental noise monitoring. 

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7. Ono Sokki (Japan)

Overview:
Manufacturer of precision instruments including sound level meters and vibration analyzers.

Head Office Contact Details:

• Address: 1-16-1 Hakusan, Midori-ku, Yokohama, Kanagawa 226-8507, Japan

• Phone: +81-45-935-3888

• Email: info@onosokki.co.jp

• Website: https://www.onosokki.co.jp

Products:
IEC-compliant Class 1 and Class 2 sound level meters. 

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8. PCB Piezotronics, Inc. (USA)

Overview:
Parent company of Larson Davis, specializing in sensors and acoustic measurement systems.

Head Office Contact Details:

• Address: 3425 Walden Ave, Depew, NY 14043, USA

• Phone: +1 716 684 0001

• Email: info@pcb.com

• Website: https://www.pcb.com

Specialization:
Acoustic sensors, microphones, and SLM systems. 

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9. MRC Ltd. (Israel)

Overview:
Manufacturer of various laboratory instruments including sound level meters.

Head Office Contact Details:

• Address: Hagavish 3 St, Holon 5881702, Israel

• Phone: +972-3-5595252

• Email: office@mrclab.com

• Website: https://www.mrclab.com

Products:
Budget and mid-range SLM solutions. 

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10. TSI Incorporated (USA)

Overview:
Global manufacturer of precision measurement instruments including sound and environmental monitoring devices.

Head Office Contact Details:

• Address: 500 Cardigan Road, Shoreview, MN 55126, USA

• Phone: +1 651 490 2811

• Email: answers@tsi.com

• Website: https://www.tsi.com

Applications:
Industrial hygiene, environmental monitoring, and research. 

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📌 Important Notes

• Many manufacturers operate through global distributors and regional offices, especially in countries like India, UAE, and Southeast Asia. 

• Contact details may vary by region; for local support, users should check the regional distributor networks.

• High-end companies (like Brüel & Kjær, Norsonic) focus on precision and research, while others (BSWA, MRC) offer cost-effective alternatives.

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✅ Conclusion

The global sound level meter market is dominated by a mix of premium European/Japanese manufacturers and cost-effective Asian and American companies.

• For high-precision research → Brüel & Kjær, Norsonic

• For industrial and environmental monitoring → Larson Davis, RION

• For budget and general-purpose use → BSWA, MRC

These companies provide comprehensive solutions ranging from basic handheld SLMs to advanced real-time acoustic analysis systems, ensuring that every industry—from environmental regulation to aerospace engineering—has access to accurate sound measurement tools.

Sound Level Meters (SLM)