Insights

Largest IT Staffing Yoh is recognized as one of the largest IT staffing firms in the U.S. by Staffing Industry Analysts for 2025 and 2026, signaling strong market presence and a proven ability to scale IT workforce solutions for large enterprises.

Flexible Workforce The YohFlex model demonstrates a commitment to flexible workplace arrangements, presenting a sales opportunity to offer adaptable staffing and blended on-site/remote solutions for clients facing evolving work paradigms.

Deep STEM Focus With a STEM-centered, engineering-driven approach and a history of delivering project-based and data-driven workforce solutions, Yoh can target clients in engineering, science, and technology sectors seeking specialized talent pipelines.

Expansion Signals Ongoing recognition in top staffing firm lists and a broad enterprise solutions scope suggest capacity to handle large-scale engagements, cross-selling across consulting, staffing, and total talent management.

Industry Influence As part of the Day & Zimmermann family, Yoh benefits from an established brand and potential cross-sell opportunities with related engineering, construction, and technical services divisions.

Yoh, A Day & Zimmermann Company Tech Stack

Yoh, A Day & Zimmermann Company uses 8 technology products and services including LinkedIn Ads, Hotjar, iCIMS, and more. Explore Yoh, A Day & Zimmermann Company's tech stack below.

Media & News

Yoh, A Day & Zimmermann Company's Email Address Formats

Yoh, A Day & Zimmermann Company uses at least 1 format(s):
Yoh, A Day & Zimmermann Company Email FormatsExamplePercentage
First.Last@yoh.comJohn.Doe@yoh.com
94%
First@yoh.comJohn@yoh.com
4%
FirstLast@yoh.comJohnDoe@yoh.com
1%
LastF@yoh.comDoeJ@yoh.com
1%

Frequently Asked Questions

What is Yoh, A Day & Zimmermann Company's phone number?

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You can contact Yoh, A Day & Zimmermann Company's main corporate office by phone at . For more prospecting data, LeadIQ has access to up-to-date and accurate contact information within our platform. Find, capture, and sync contact data to your CRM and sales tools in one click.

What is Yoh, A Day & Zimmermann Company's stock symbol?

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Yoh, A Day & Zimmermann Company is a publicly traded company; the company's stock symbol is 2347.HK.

What is Yoh, A Day & Zimmermann Company's official website and social media links?

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Yoh, A Day & Zimmermann Company's official website is yoh.com and has social profiles on LinkedIn.

How much revenue does Yoh, A Day & Zimmermann Company generate?

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As of July 2026, Yoh, A Day & Zimmermann Company's annual revenue is estimated to be $1B - $10B.

What is Yoh, A Day & Zimmermann Company's SIC code NAICS code?

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Yoh, A Day & Zimmermann Company's SIC code is 7389 - Business Services, Not Elsewhere Classified NAICS code is 5613 - Employment Services.

How many employees does Yoh, A Day & Zimmermann Company have currently?

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As of July 2026, Yoh, A Day & Zimmermann Company has approximately 2K employees across 6 continents, including North AmericaEuropeAsia. Key team members include Chief Executive Officer: B. W.Chief Technology Officer: H. Z.Vice President Chief Financial Officer: S. S.. Explore Yoh, A Day & Zimmermann Company's employee directory with LeadIQ.

What industry does Yoh, A Day & Zimmermann Company belong to?

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Yoh, A Day & Zimmermann Company operates in the Staffing and Recruiting industry.

What technology does Yoh, A Day & Zimmermann Company use?

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Yoh, A Day & Zimmermann Company's tech stack includes LinkedIn AdsHotjariCIMSHubSpot Content HubJoomlaMicrosoft 365ZapierCisco.

What is Yoh, A Day & Zimmermann Company's email format?

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Yoh, A Day & Zimmermann Company's email format typically follows the pattern of First.Last@yoh.com. Find more Yoh, A Day & Zimmermann Company email formats with LeadIQ.

When was Yoh, A Day & Zimmermann Company founded?

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Yoh, A Day & Zimmermann Company was founded in 1940.
Yoh, A Day & Zimmermann Company logo

Yoh, A Day & Zimmermann Company

Staffing and RecruitingPennsylvania, United States1001-5000 Employees

Yoh, A Day & Zimmermann Company, is a staffing and recruiting firm headquartered at 1500 Spring Garden Street in Philadelphia, Pennsylvania, with an employee base estimated between 1,001 and 5,000. It operates as part of the Day & Zimmermann family and provides consulting, staffing, and enterprise workforce solutions to help clients move projects and operations forward. The company emphasizes STEM-centered expertise and aims to align delivery with client needs to improve business operations and outcomes. It has introduced workforce innovations such as the DZConneX total talent solution and the YohFlex flexible-work model. Revenue is reported in the range of $1B to $10B.

Section iconCompany Overview

Phone number
Website
yoh.com
SIC Code
7389 - Business Services, Not Elsewhere Classified
Stock Symbol
2347.HK
NAICS Code
5613 - Employment Services
Founded
1940
Employees
1001-5000

Section iconFunding & Financials

  • $1B - $10B

    Yoh, A Day & Zimmermann Company's revenue is estimated to be in the range of $1B - $10B

Section iconFunding & Financials

  • $1B - $10B

    Yoh, A Day & Zimmermann Company's revenue is estimated to be in the range of $1B - $10B

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