Company lists · Data refreshed September 2026
Top 15 Custom event merchandise companies based in Washington, United States
RevenueBase identified 25 custom event merchandise companies headquartered in Washington, United States as of September 2026 and tracks 137 professional contacts across them, including 63 with verified work emails. New York is the largest hub.
This list covers custom event merchandise companies headquartered in Washington, United States, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 19, 2026.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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 15 largest custom event merchandise companies based in Washington, United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 47 contacts → | ||||
Strong evidence “SIDEM is a full-service creative event planning and production company designed to offer clients a strategic, comprehensive, highly customized, one-stop solution for their event…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 2 | 24 contacts → | ||||
Indirect evidence “Elevate your brand.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 3 | 11 contacts → | ||||
Indirect evidence “At RIVE, we design and produce powerful one-of-a-kind, in-person and digital experiences that help your brand make a deeper connection and forge a lasting impression.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 4 | 9 contacts → | ||||
Partial evidence “We’re LAI Live-a full-service, creative production agency that transforms ideas into standout live events.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 5 | 6 contacts → | ||||
Partial evidence “We are a leading provider of promotional products, branded merchandise, and end-to-end brand management solutions.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 6 | 5 contacts → | ||||
Partial evidence “We are an American manufacturer of premium custom branded products.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 7 | 4 contacts → | ||||
Indirect evidence “William Kendrick - PromoSource.com is the oldest promotional products company in the Washington Metro DC area and one of the oldest nationwide.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 8 | 4 contacts → | ||||
Partial evidence “SIGNATURE CONCEPTS LLC (formerly Perfect Planning Events) is helmed as a premier event planning firm who masterfully produces and designs events for brands, non-profits, and…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 9 | 3 contacts → | ||||
Indirect evidence “Full service print and promotional provider.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 10 | 2 contacts → | ||||
Strong evidence “Since 2015, UC Merchandise has been designing and manufacturing custom merchandise for musical artists, brands, and companies.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 11 | 2 contacts → | ||||
Indirect evidence “Alinea Promos is a promotional products and corporate gift company.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 12 | 2 contacts → | ||||
Indirect evidence “Welcome to The Ad Box Agency, your go-to partner for dynamic promotional products and innovative marketing solutions, located right in the heart of Washington, DC.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 13 | 1 contacts → | ||||
Indirect evidence “Wicked Promos helps businesses of all sizes and industries discover the power of promotional products as a marketing tool.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 14 | 1 contacts → | ||||
Partial evidence “AJ Supplies: Your Trusted Partner in Custom Apparel Solutions At AJ Supplies, we specialize in providing end-to-end custom apparel services tailored to meet the unique needs of…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 15 | 1 contacts → | ||||
Partial evidence “We build strategies; design materials, concepts and event spaces; and, draft blueprints for efficient and memorable productions.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
RevenueBase Smart Search
RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: custom event merchandise companies. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.
- Strong evidence
- The company's own public description of its business names custom event merchandise companies.
- Partial evidence
- Its own public description names part of custom event merchandise companies, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name custom event merchandise companies. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.
RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.
Showing 15 of 25 custom event merchandise companies based in Washington, United States
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Custom event merchandise companies based in Washington, United States at a glance
As of Sep 19, 2026Companies by employee count
Email recency for this list is measured across the whole United States list rather than for Washington, so it is reported there. Company counts and contact totals on this page are exact for Washington, over 25 companies.
How this list was built
Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among custom event merchandise companies, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
- What qualifies
- Companies headquartered in Washington, United States whose own description of what they do matches “custom event merchandise companies”. Matching reads each company's description, not its industry code or its name.
- RevenueBase Smart Search
- RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names custom event merchandise companies), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
- What we exclude
- Companies whose own description does not clearly place them among custom event merchandise companies, and records with no verified work email. Companies headquartered outside Washington are excluded even when they keep an office there.
- Match quality
- In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
- 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 listed company carries at least one verified work email, 63 across the full list. 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 September 19, 2026. Lists refresh periodically as the graph is re-checked.
- Corrections
- Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.
Custom event merchandise companies by metro in the United States
- Custom event merchandise companies in New York175
- Custom event merchandise companies in Los Angeles162
- Custom event merchandise companies in Chicago106
- Custom event merchandise companies in Houston102
- Custom event merchandise companies in Miami93
- Custom event merchandise companies in Atlanta81
- Custom event merchandise companies in Austin81
- Custom event merchandise companies in Dallas80
- Custom event merchandise companies in San Diego77
- Custom event merchandise companies in Las Vegas65
- Custom event merchandise companies in Orlando65
- Custom event merchandise companies in Phoenix64
- Custom event merchandise companies in Nashville58
- Custom event merchandise companies in Portland57
- Custom event merchandise companies in Tampa52
- Custom event merchandise companies in San Antonio51
- Custom event merchandise companies in Indianapolis48
- Custom event merchandise companies in Charlotte46
- Custom event merchandise companies in Denver44
- Custom event merchandise companies in Cincinnati41
- Custom event merchandise companies in Columbus40
- Custom event merchandise companies in Philadelphia40
- Custom event merchandise companies in Seattle39
- Custom event merchandise companies in Fort Lauderdale37
- Custom event merchandise companies in Jacksonville37
- Custom event merchandise companies in San Francisco37
- Custom event merchandise companies in Raleigh31
- Custom event merchandise companies in Fort Worth30
- Custom event merchandise companies in Boston29
- Custom event merchandise companies in Marietta28
- Custom event merchandise companies in Columbia26
- Custom event merchandise companies in Omaha26
- Custom event merchandise companies in Salt Lake City26
- Custom event merchandise companies in Boca Raton25
- Custom event merchandise companies in Minneapolis25
- Custom event merchandise companies in Scottsdale25
- Custom event merchandise companies in Washington25
Frequently asked
What is RevenueBase Smart Search?
RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names custom event merchandise companies, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.
How many custom event merchandise companies are there based in Washington, United States?
RevenueBase identified 25 custom event merchandise companies headquartered in Washington, United States as of September 2026, matched on each company's own description of what it does rather than its industry code.
What is the largest company on this list?
SIDEM, headquartered in Washington, tops this list with the largest team on record.
Which city has the most custom event merchandise companies?
New York leads with 175 headquartered companies, followed by Los Angeles (162) and Chicago (106).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 63 verified decision-maker contacts tracked across these 25 companies.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 19, 2026.
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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 Smart Search, 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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