Company lists · Data refreshed October 2026
Top 17 Audio annotation services based in the United States
RevenueBase identified 42 company matches for audio annotation services associated with the United States as of October 2026 and tracks 2,747 professional contacts across them, including 231 with verified work emails. San Francisco is the largest hub.
This list covers company matches for audio annotation services associated with the United States, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed October 22, 2026.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.
The 17 largest audio annotation services based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 675 contacts → | ||||
Exact match “TranscribeMe is the global leader in speech to text transcription services, providing accurate and reliable transcription solutions to thousands of clients in a wide range of…” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 2 | 625 contacts → | ||||
Exact match “Productive Playhouse is the execution partner technical program managers trust when scale, compliance, and quality can’t slip.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 3 | 282 contacts → | ||||
Exact match “Scribie is a long-standing transcription platform trusted by customers worldwide, now evolving into an AI-powered, human-in-the-loop system.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 4 | 153 contacts → | ||||
Exact match “Label Your Data is a data annotation & labeling company.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 5 | 138 contacts → | ||||
Exact match “Wow AI | Powered by AIxBlock - is an.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 6 | 49 contacts → | ||||
Exact match “NOTE: Captionmax was acquired by 3Play Media in early 2022 and rebranded as 3Play Media in September of 2022.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 7 | 40 contacts → | ||||
Exact match “With a deep dedication to creating ground-breaking tools plus large-scale human insight, we address the pain points of curating data for machine learning and other artificial…” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 8 | 22 contacts → | ||||
Exact match “Digital Media Lab specializing in Closed Captioning/Subtitles, Conforming, English and Foreign Languages, Audio Description, Forced Narratives, translations, and more.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 9 | 20 contacts → | ||||
Exact match “SoundTitles provides technology and services to make your content accessible to audiences across the globe, from captioning and translation, to voice-overs and other accessibility…” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 10 | 8 contacts → | ||||
Exact match “MoonCity understands what writers and editors need in order to find the best material quickly and efficiently.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 11 | 5 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 12 | 4 contacts → | ||||
Exact match “Sharp Copy Transcription, in business since 2013, is an independently owned transcription company based in Oak Park, Illinois.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 13 | 3 contacts → | ||||
Exact match “Work with ECS to create beautiful captions that speak to your audience and stay within your budget Our Services: Transcription - A verbatim transcript with 99% accuracy provides…” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 14 | 1 contacts → | ||||
Exact match “We're here to make sure your podcasts can be found, your research can be searched, and your interviews are quote-ready.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 15 | 1 contacts → | ||||
Exact match “Voicing Animation, Educational and Business Apps and Explainers, Video Games, Commercials Services: Voice over with alternate takes Same Day/24-hour turn-around time Acoustically…” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 16 | 1 contacts → | ||||
Exact match “Fast turnaround, high quality voice overs for commercials, promos, corporate narration, animation, and video games.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 17 | 1 contacts → | ||||
Exact match “Audio Description (Create scripts, voice over, and edit), Closed Captioning/Subtitles (Multiple Languages), Podcast Transcription, As Broadcast Scripts, Filming/Editing, AI…” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
RevenueBase SmartSearch
Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.
This list uses Exact for “audio annotation services”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.
Showing 17 of 42 audio annotation services based in the United States
See the full list, filter by size, metro and specialty, and access 231 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Audio annotation services based in the United States at a glance
As of Oct 22, 2026Companies by employee count
Email recency for this list is measured worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 42 companies.
How this list was built
The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
- What qualifies
- Company records associated with the United States whose business descriptions match “audio annotation services” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
- RevenueBase SmartSearch
- Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
- Public preview
- The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
- Match quality
- RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
- Ranking
- Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
- Verification
- Every displayed company carries at least one verified work email. RevenueBase tracks 231 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
- Refresh
- This page's figures were pulled from the company graph on October 22, 2026. Lists refresh periodically as the graph is re-checked.
- Record context
- Company records and descriptions can change. Check the company's website for its current services and locations.
Frequently asked
What is RevenueBase SmartSearch?
RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “audio annotation services”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many audio annotation services are there based in the United States?
RevenueBase identified 42 company matches for audio annotation services associated with the United States as of October 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.
What is the largest company on this list?
Transcribeme tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most audio annotation services?
San Francisco leads with 5 company records, followed by Los Angeles (4) and Wilmington (3).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 231 professional contacts with verified work emails tracked across these 42 companies; direct dials are available where recorded.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on October 22, 2026.
Ready to reach these companies? Verified emails and direct dials for all 42 audio annotation services based in the United States. Start with a free account, no credit card.
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About this data
RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.
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Company intelligence · public preview
Top 17 audio annotation services based in the United States
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 42 matching company records for audio annotation services based in the United States, with 2,747 tracked contacts and 231 verified work emails.
This public preview shows 17 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: October 22, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 17 audio annotation services based in the United States
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 |  Transcribemetranscribeme.comHQ: San Francisco, CA, United StatesReported employees: Not recorded | San Francisco, CA, United States | Not recorded | Exact match | 675 contacts → |
“TranscribeMe is the global leader in speech to text transcription services, providing accurate and reliable transcription solutions to thousands of clients in a wide range of…” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Productive Playhouseproductiveplayhouse.comHQ: Los Angeles, CA, United StatesReported employees: 201-500 | Los Angeles, CA, United States | 201-500 | Exact match | 625 contacts → |
“Productive Playhouse is the execution partner technical program managers trust when scale, compliance, and quality can’t slip.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Scribiescribie.comHQ: Wilmington, DE, United StatesReported employees: Not recorded | Wilmington, DE, United States | Not recorded | Exact match | 282 contacts → |
“Scribie is a long-standing transcription platform trusted by customers worldwide, now evolving into an AI-powered, human-in-the-loop system.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Label Your Datalabelyourdata.comHQ: Wilmington, DE, United StatesReported employees: 201-500 | Wilmington, DE, United States | 201-500 | Exact match | 153 contacts → |
“Label Your Data is a data annotation & labeling company.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  WOW AIaixblock.ioHQ: Newark, DE, United StatesReported employees: 201-500 | Newark, DE, United States | 201-500 | Exact match | 138 contacts → |
“Wow AI | Powered by AIxBlock - is an.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Captionmax3playmedia.comHQ: Minneapolis, MN, United StatesReported employees: 201-500 | Minneapolis, MN, United States | 201-500 | Exact match | 49 contacts → |
“NOTE: Captionmax was acquired by 3Play Media in early 2022 and rebranded as 3Play Media in September of 2022.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  AI Data Innovationsaidatainnovations.comHQ: Bellevue, WA, United StatesReported employees: 51-200 | Bellevue, WA, United States | 51-200 | Exact match | 40 contacts → |
“With a deep dedication to creating ground-breaking tools plus large-scale human insight, we address the pain points of curating data for machine learning and other artificial…” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Apex Media Solutions LLCapexmediasolutions.netHQ: Los Angeles, CA, United StatesReported employees: 11-50 | Los Angeles, CA, United States | 11-50 | Exact match | 22 contacts → |
“Digital Media Lab specializing in Closed Captioning/Subtitles, Conforming, English and Foreign Languages, Audio Description, Forced Narratives, translations, and more.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Soundtitlessoundtitles.comHQ: Wilmington, DE, United StatesReported employees: 1-10 | Wilmington, DE, United States | 1-10 | Exact match | 20 contacts → |
“SoundTitles provides technology and services to make your content accessible to audiences across the globe, from captioning and translation, to voice-overs and other accessibility…” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Mooncity Transcriptsmooncityscripts.comHQ: Oklahoma City, OK, United StatesReported employees: 11-50 | Oklahoma City, OK, United States | 11-50 | Exact match | 8 contacts → |
“MoonCity understands what writers and editors need in order to find the best material quickly and efficiently.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Cambridge Transcriptionsctran.com HQ: Cambridge, MA, United StatesReported employees: 1-10 | Cambridge, MA, United States | 1-10 | Exact match | 5 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 12 | Sharp Copy Transcriptionsharpcopytranscription.com HQ: Oak Park, IL, United StatesReported employees: 1-10 | Oak Park, IL, United States | 1-10 | Exact match | 4 contacts → |
“Sharp Copy Transcription, in business since 2013, is an independently owned transcription company based in Oak Park, Illinois.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Empire Caption Solutionsempirecaptions.comHQ: San Diego, NC, United StatesReported employees: 1-10 | San Diego, NC, United States | 1-10 | Exact match | 3 contacts → |
“Work with ECS to create beautiful captions that speak to your audience and stay within your budget Our Services: Transcription - A verbatim transcript with 99% accuracy provides…” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Case Transcriptioncasetranscription.com HQ: Portland, OR, United StatesReported employees: 1-10 | Portland, OR, United States | 1-10 | Exact match | 1 contacts → |
“We're here to make sure your podcasts can be found, your research can be searched, and your interviews are quote-ready.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Laurie Weaver Voiceoverlaurieweavervo.com HQ: Los Angeles, CA, United StatesReported employees: 1-10 | Los Angeles, CA, United States | 1-10 | Exact match | 1 contacts → |
“Voicing Animation, Educational and Business Apps and Explainers, Video Games, Commercials Services: Voice over with alternate takes Same Day/24-hour turn-around time Acoustically…” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Jared Martzell Voice Overjaredmartzellvo.com HQ: Glendale, CA, United StatesReported employees: 1-10 | Glendale, CA, United States | 1-10 | Exact match | 1 contacts → |
“Fast turnaround, high quality voice overs for commercials, promos, corporate narration, animation, and video games.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Latvguy LLClatvguy.com HQ: Los Angeles, CA, United StatesReported employees: 1-10 | Los Angeles, CA, United States | 1-10 | Exact match | 1 contacts → |
“Audio Description (Create scripts, voice over, and edit), Closed Captioning/Subtitles (Multiple Languages), Podcast Transcription, As Broadcast Scripts, Filming/Editing, AI…” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 17 of 42 company matches
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Audio annotation services: dataset insights
October 22, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
42 records in the displayed employee bands.
0 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 42 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: October 22, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Questions about this company list
What does Exact match mean for audio annotation services?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many audio annotation services did RevenueBase find based in the United States?
The saved snapshot records 42 matching company records, 2,747 tracked contacts and 231 verified emails. The public preview displays 17 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: October 22, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Cite this list
RevenueBase Data Team. Top 17 audio annotation services based in the United States. Snapshot: October 22, 2026. https://revenuebase.ai/companies/audio-annotation-services/united-states.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- AI companies based in the United States
- Cybersecurity companies based in the United States
- Manufacturing companies based in the United States
- Media companies based in the United States
- Oil and gas companies based in the United States
- Real estate companies based in the United States
Company intelligence · public preview
Top 17 audio annotation services based in the United States
RevenueBase records 42 matching company records for audio annotation services based in the United States, with 2,747 tracked contacts and 231 verified work emails.
This public preview shows 17 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: October 22, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 17 audio annotation services based in the United States
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | Transcribemetranscribeme.com HQ: San Francisco, CA, United StatesReported employees: Not recorded | San Francisco, CA, United States | Not recorded | Exact match | 675 contacts → |
“TranscribeMe is the global leader in speech to text transcription services, providing accurate and reliable transcription solutions to thousands of clients in a wide range of…” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Productive Playhouseproductiveplayhouse.com HQ: Los Angeles, CA, United StatesReported employees: 201-500 | Los Angeles, CA, United States | 201-500 | Exact match | 625 contacts → |
“Productive Playhouse is the execution partner technical program managers trust when scale, compliance, and quality can’t slip.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Scribiescribie.com HQ: Wilmington, DE, United StatesReported employees: Not recorded | Wilmington, DE, United States | Not recorded | Exact match | 282 contacts → |
“Scribie is a long-standing transcription platform trusted by customers worldwide, now evolving into an AI-powered, human-in-the-loop system.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Label Your Datalabelyourdata.com HQ: Wilmington, DE, United StatesReported employees: 201-500 | Wilmington, DE, United States | 201-500 | Exact match | 153 contacts → |
“Label Your Data is a data annotation & labeling company.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | WOW AIaixblock.io HQ: Newark, DE, United StatesReported employees: 201-500 | Newark, DE, United States | 201-500 | Exact match | 138 contacts → |
“Wow AI | Powered by AIxBlock - is an.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Captionmax3playmedia.com HQ: Minneapolis, MN, United StatesReported employees: 201-500 | Minneapolis, MN, United States | 201-500 | Exact match | 49 contacts → |
“NOTE: Captionmax was acquired by 3Play Media in early 2022 and rebranded as 3Play Media in September of 2022.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | AI Data Innovationsaidatainnovations.com HQ: Bellevue, WA, United StatesReported employees: 51-200 | Bellevue, WA, United States | 51-200 | Exact match | 40 contacts → |
“With a deep dedication to creating ground-breaking tools plus large-scale human insight, we address the pain points of curating data for machine learning and other artificial…” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Apex Media Solutions LLCapexmediasolutions.net HQ: Los Angeles, CA, United StatesReported employees: 11-50 | Los Angeles, CA, United States | 11-50 | Exact match | 22 contacts → |
“Digital Media Lab specializing in Closed Captioning/Subtitles, Conforming, English and Foreign Languages, Audio Description, Forced Narratives, translations, and more.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Soundtitlessoundtitles.com HQ: Wilmington, DE, United StatesReported employees: 1-10 | Wilmington, DE, United States | 1-10 | Exact match | 20 contacts → |
“SoundTitles provides technology and services to make your content accessible to audiences across the globe, from captioning and translation, to voice-overs and other accessibility…” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Mooncity Transcriptsmooncityscripts.com HQ: Oklahoma City, OK, United StatesReported employees: 11-50 | Oklahoma City, OK, United States | 11-50 | Exact match | 8 contacts → |
“MoonCity understands what writers and editors need in order to find the best material quickly and efficiently.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Cambridge Transcriptionsctran.com HQ: Cambridge, MA, United StatesReported employees: 1-10 | Cambridge, MA, United States | 1-10 | Exact match | 5 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 12 | Sharp Copy Transcriptionsharpcopytranscription.com HQ: Oak Park, IL, United StatesReported employees: 1-10 | Oak Park, IL, United States | 1-10 | Exact match | 4 contacts → |
“Sharp Copy Transcription, in business since 2013, is an independently owned transcription company based in Oak Park, Illinois.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Empire Caption Solutionsempirecaptions.com HQ: San Diego, NC, United StatesReported employees: 1-10 | San Diego, NC, United States | 1-10 | Exact match | 3 contacts → |
“Work with ECS to create beautiful captions that speak to your audience and stay within your budget Our Services: Transcription - A verbatim transcript with 99% accuracy provides…” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Case Transcriptioncasetranscription.com HQ: Portland, OR, United StatesReported employees: 1-10 | Portland, OR, United States | 1-10 | Exact match | 1 contacts → |
“We're here to make sure your podcasts can be found, your research can be searched, and your interviews are quote-ready.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Laurie Weaver Voiceoverlaurieweavervo.com HQ: Los Angeles, CA, United StatesReported employees: 1-10 | Los Angeles, CA, United States | 1-10 | Exact match | 1 contacts → |
“Voicing Animation, Educational and Business Apps and Explainers, Video Games, Commercials Services: Voice over with alternate takes Same Day/24-hour turn-around time Acoustically…” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Jared Martzell Voice Overjaredmartzellvo.com HQ: Glendale, CA, United StatesReported employees: 1-10 | Glendale, CA, United States | 1-10 | Exact match | 1 contacts → |
“Fast turnaround, high quality voice overs for commercials, promos, corporate narration, animation, and video games.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Latvguy LLClatvguy.com HQ: Los Angeles, CA, United StatesReported employees: 1-10 | Los Angeles, CA, United States | 1-10 | Exact match | 1 contacts → |
“Audio Description (Create scripts, voice over, and edit), Closed Captioning/Subtitles (Multiple Languages), Podcast Transcription, As Broadcast Scripts, Filming/Editing, AI…” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 17 of 42 company matches
Build a targeted audience, find relevant contacts and export available records to your workflow.
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Audio annotation services: dataset insights
October 22, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
42 records in the displayed employee bands.
0 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 42 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: October 22, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Questions about this company list
What does Exact match mean for audio annotation services?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many audio annotation services did RevenueBase find based in the United States?
The saved snapshot records 42 matching company records, 2,747 tracked contacts and 231 verified emails. The public preview displays 17 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: October 22, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Cite this list
RevenueBase Data Team. Top 17 audio annotation services based in the United States. Snapshot: October 22, 2026. https://revenuebase.ai/companies/audio-annotation-services/united-states.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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