Business Lists and Databases Available for Marketing and Research - Direct Mailing Emailing Calling
NAICS Code 621999-24 - Hearing Testing-Industrial
Marketing Level - NAICS 8-DigitBusiness Lists and Databases Available for Marketing and Research
Total Verified Companies:
4
Contact Emails:
5
Company Websites:
4
Phone Numbers:
4
Business Addresses:
4
Companies with Email:
3
Reach new customers, connect with decision makers, and grow your business.
Pricing from $0.05 to $0.25 per lead
Ideal for: Direct Mailing Email Campaigns Calling Market Research
‐
Free Sample & Report, Custom Lists, and Expert Support — All Included
Business List Pricing Tiers
| Quantity of Records | Price Per Record | Estimated Total (Max in Tier) |
|---|---|---|
| 0 - 1,000 | $0.25 | Up to $250 |
| 1,001 - 2,500 | $0.20 | Up to $500 |
| 2,501 - 10,000 | $0.15 | Up to $1,500 |
| 10,001 - 25,000 | $0.12 | Up to $3,000 |
| 25,001 - 50,000 | $0.09 | Up to $4,500 |
| 50,000+ | Contact Us for a Custom Quote | |
What's Included in Every Standard Data Package
- Company Name
- Contact Name (where available)
- Job Title (where available)
- Full Business & Mailing Address
- Business Phone Number
- Industry Codes (Primary and Secondary SIC & NAICS Codes)
- Sales Volume
- Employee Count
- Website (where available)
- Years in Business
- Location Type (HQ, Branch, Subsidiary)
- Modeled Credit Rating
- Public / Private Status
- Latitude / Longitude
- ...and more (Inquire)
Boost Your Data with Verified Email Leads
Enhance your list or opt for a complete 100% verified email list – all for just $0.10 per email!
Looking for more companies? See NAICS 621999 - All Other Miscellaneous Ambulatory Health Care Services - 50,309 companies, 286,873 emails.
NAICS Code 621999-24 Description (8-Digit)
Hearing Testing-Industrial is a specialized industry that involves the testing of employees' hearing abilities in industrial settings. This industry is responsible for ensuring that employees are not exposed to hazardous noise levels that can cause hearing loss or damage. The testing is done using specialized equipment and techniques to accurately measure the hearing ability of employees. The results of the tests are used to determine if employees need to be provided with hearing protection or if they need to be moved to a quieter work environment.
Parent Code - Official US Census
Official 6‑digit NAICS codes serve as the parent classification used for government registrations and documentation. The marketing-level 8‑digit codes act as child extensions of these official classifications, providing refined segmentation for more precise targeting and detailed niche insights. Related industries are listed under the parent code, offering a broader context of the industry environment. For further details on the official classification for this industry, please visit the U.S. Census Bureau NAICS Code 621999 page
Tools
Tools commonly used in the Hearing Testing-Industrial industry for day-to-day tasks and operations.
- Audiometer
- Sound level meter
- Noise dosimeter
- Earplugs
- Earmuffs
- Calibration equipment
- Computer software for data analysis
- Otoscope
- Tympanometer
- Acoustic calibrator
- Real-ear measurement system
- Sound booth
- Bone conduction oscillator
- Air conduction headphones
- Speech audiometry equipment
- Pure-tone audiometry equipment
- Impedance audiometry equipment
Industry Examples of Hearing Testing-Industrial
Common products and services typical of NAICS Code 621999-24, illustrating the main business activities and contributions to the market.
- Manufacturing plants
- Construction sites
- Mining operations
- Oil and gas refineries
- Power plants
- Transportation companies
- Warehouses
- Steel mills
- Chemical plants
- Aerospace companies
History
A concise historical narrative of NAICS Code 621999-24 covering global milestones and recent developments within the United States.
- The history of the Hearing Testing-Industrial industry dates back to the early 1900s when the first audiometer was invented by Harvey Fletcher. The audiometer was used to measure hearing loss and was a significant milestone in the development of the industry. In the 1950s, the first hearing aid was developed, which led to the growth of the industry. In the 1970s, the first digital hearing aid was invented, which revolutionized the industry. In recent years, the industry has seen significant advancements in technology, such as the development of wireless hearing aids and the use of artificial intelligence in hearing testing. In the United States, the Hearing Testing-Industrial industry has seen significant growth in recent years due to an aging population and increased awareness of hearing loss. According to the National Institute on Deafness and Other Communication Disorders, approximately 15% of American adults have some form of hearing loss. The industry has also seen advancements in technology, such as the development of smartphone apps that can be used for hearing testing. In addition, the industry has seen increased demand for hearing protection devices in industrial settings, which has led to the growth of the Hearing Testing-Industrial sub-industry.