> Enrich.chat gives AI agents verified work emails and mobiles. To use it from an agent, read https://enrich.chat/agents.md . This is the Markdown version of https://enrich.chat/naics/458310/new-york/ # NAICS 458310 companies in New York Companies with NAICS code 458310 (Jewelry Retailers) headquartered in New York, with their cities, sizes and SIC codes. By Enrich.chat Editorial. Updated October 22, 2026. **Short answer:** The biggest NAICS 458310 companies in New York by headcount range include Tiffany & Co., David Yurman and Diamonds International. NAICS 458310 is the code for Jewelry Retailers. Among those counted, they are mostly very small: 60% have 50 or fewer employees. ## Which NAICS 458310 companies are in New York? The biggest by headcount range include Tiffany & Co., David Yurman, Diamonds International, John Hardy and Harry Winston. NAICS 458310 is the code for Jewelry Retailers. Names link to a company profile where we have one. | Company | City | Employees | | --- | --- | --- | | [Tiffany & Co.](https://enrich.chat/company/tiffany-and/) | — | 10,001+ | | David Yurman | — | 1,001 to 5,000 | | Diamonds International | — | 1,001 to 5,000 | | John Hardy | — | 1,001 to 5,000 | | Harry Winston | — | 501 to 1,000 | | Gabriel & Co | — | 501 to 1,000 | | Aneri Jewels | — | 501 to 1,000 | | Baublebar | — | 201 to 500 | | Studs | — | 201 to 500 | | London Jewelers | Manhasset | 201 to 500 | | Marli New York | — | 51 to 200 | | Hodinkee | — | 51 to 200 | | Ring Concierge | — | 51 to 200 | | Le Vian | Great Neck | 51 to 200 | | Alexis Bittar | Brooklyn | 51 to 200 | | David Webb | — | 51 to 200 | | Jacmel Jewelry | — | 51 to 200 | | Dev Jewels | — | 51 to 200 | | A.Jaffe | — | 51 to 200 | | Goldstar Jewellery | — | 51 to 200 | | Traxnyc | — | 51 to 200 | | Gem Stone King | — | 51 to 200 | | Kravit Jewelers | Oceanside | 51 to 200 | | Slate & Tell | — | 51 to 200 | | Wrist Aficionado | — | 11 to 50 | The table shows the 25 biggest by headcount range, with ties broken by audience size. The charts and percentages below cover every company counted for this page, not just these 25, and companies with fewer than 11 employees are not counted. Headquarters is the location on each company's public profile. ## How big are they? 60% of the NAICS 458310 companies counted in New York have 50 or fewer employees, and the middle one is in the 11 to 50 range. Companies with fewer than 11 employees are not counted. **Figure: Size of NAICS 458310 companies in New York.** Seven columns for the share of counted NAICS 458310 companies in New York in each employee range: 11 to 50 60%, 51 to 200 23%, 201 to 500 5%, 501 to 1,000 5%, 1,001 to 5,000 5%, 5,001 to 10,000 0%, 10,001+ 2%. *Share of counted NAICS 458310 companies in New York in each employee range.* ## How New York compares with the rest of the country - 60% of NAICS 458310 companies in New York have 50 or fewer employees, against 69% across NAICS 458310 companies nationwide. ## Which SIC codes do they carry? The older SIC system and NAICS do not line up one to one. These are the SIC codes seen most here. **Figure: SIC codes of NAICS 458310 companies in New York.** Bars for the share of counted NAICS 458310 companies in New York with each code: 5944 92%, 5094 3%, 5961 3%. *Share of counted NAICS 458310 companies in New York by their SIC code.* [SIC 5094](https://enrich.chat/sic/5094/) ## How do you reach the people at these New York companies? The people to talk to are usually merchandising, e-commerce and operations leaders. Build the list in three prompts to your AI agent. ### 1. Count them (free) Counting who matches never uses credits. ```text Use www.enrich.chat to count the companies with NAICS code 458310 in New York ``` ### 2. Find the people (5 credits per person) Name the roles you sell to. Each person returned is 5 credits, and name, title and company are included. ```text Use www.enrich.chat to find the merchandising, e-commerce and operations leaders at companies with NAICS code 458310 in New York, with their titles ``` ### 3. Get their work emails (10 credits each) An email is 10 credits only when one is found. Every email comes with a status: verified, catch-all or unknown. ```text Use www.enrich.chat to find the work emails for these people and tell me which ones are verified ``` ## More to explore About the code: [NAICS 458310: Jewelry Retailers](https://enrich.chat/naics/458310/). About the place: [companies in New York](https://enrich.chat/companies-in/new-york/). Other NAICS codes in New York: [NAICS 541511: Custom Computer Programming Services](https://enrich.chat/naics/541511/new-york/)[NAICS 722511: Full-Service Restaurants](https://enrich.chat/naics/722511/new-york/)[NAICS 541512: Computer Systems Design Services](https://enrich.chat/naics/541512/new-york/)[NAICS 541613: Marketing Consulting Services](https://enrich.chat/naics/541613/new-york/)[NAICS 541110: Offices of Lawyers](https://enrich.chat/naics/541110/new-york/)[NAICS 523940: Portfolio Management and Investment](https://enrich.chat/naics/523940/new-york/)[NAICS 531210: Offices of Real Estate Agents](https://enrich.chat/naics/531210/new-york/)[NAICS 621111: Offices of Physicians](https://enrich.chat/naics/621111/new-york/)[NAICS 523910: Miscellaneous Intermediation](https://enrich.chat/naics/523910/new-york/)[NAICS 524210: Insurance Agencies and Brokerages](https://enrich.chat/naics/524210/new-york/) ## Frequently asked questions ### Which NAICS 458310 companies are in New York? The biggest by headcount range include Tiffany & Co., David Yurman, Diamonds International, John Hardy and Harry Winston. The page lists 25 with links to their profiles where we have them. ### What is NAICS 458310? NAICS 458310 is the code for Jewelry Retailers, in sector 44-45: Retail Trade. ### Which cities in New York have the most? They are spread across many cities. ## Try this prompt Find the people at NAICS 458310 companies in New York ```text Use www.enrich.chat to find the merchandising, e-commerce and operations leaders at companies with NAICS code 458310 in New York, with titles and verified work emails ``` ## Related - [Companies using a technology](https://enrich.chat/companies-using/) - [NAICS 541511 in New York](https://enrich.chat/naics/541511/new-york/) - [NAICS 722511 in New York](https://enrich.chat/naics/722511/new-york/) - [NAICS 541512 in New York](https://enrich.chat/naics/541512/new-york/) - [NAICS 541613 in New York](https://enrich.chat/naics/541613/new-york/) - [Tech stack lookup](https://enrich.chat/tools/tech-stack-lookup/)