Insights

Market Leadership Substitute Teacher Service, Inc. is Pennsylvania's leading provider of substitute teaching staff, serving over 80 school districts, which positions it as a key player with extensive local government relationships and a proven track record in the education staffing industry.

Revenue Growth With an estimated revenue between 100 million and 250 million dollars and a sizable workforce of up to 5,000 employees, STS demonstrates strong market presence and financial stability, indicating opportunities for upselling or expanding service contracts within its existing client base.

Technology Stack Utilizing advanced technology tools such as HubSpot Content Hub and Cloudflare suggests openness to innovative solutions; sales efforts could focus on offering enhanced digital tools for staff management, compliance, or data security enhancements.

Recent Data Breach The company faced a recent data breach lawsuit, indicating a potential need for upgraded cybersecurity solutions or consulting services, providing a sales opportunity for cybersecurity vendors to address risk mitigation.

Growth Potential As a large organization with a focus on customer service and support personnel, there are opportunities to introduce complementary staffing solutions, technology efficiencies, or specialized training programs, catering to their goal of providing professional growth for substitutes and minimizing classroom disruption.

Similar companies to Substitute Teacher Service, Inc.

Substitute Teacher Service, Inc. Tech Stack

Substitute Teacher Service, Inc. uses 8 technology products and services including VIA, Open Graph, Cloudflare, and more. Explore Substitute Teacher Service, Inc.'s tech stack below.

  • VIA
    Communication And Collaboration
  • Open Graph
    Content Management System
  • Cloudflare
    Content Management System
  • jQuery
    Javascript Libraries
  • HSTS
    Security
  • Piwik
    System Analytics & Monitoring
  • Google Search Console
    Web Analytics
  • Adobe Fonts
    Web Fonts

Substitute Teacher Service, Inc.'s Email Address Formats

Substitute Teacher Service, Inc. uses at least 1 format(s):
Substitute Teacher Service, Inc. Email FormatsExamplePercentage
F.Last@thesubservice.comJ.Doe@thesubservice.com
66%
Last@thesubservice.comDoe@thesubservice.com
26%
First.Last@thesubservice.comJohn.Doe@thesubservice.com
8%

Frequently Asked Questions

Where is Substitute Teacher Service, Inc.'s headquarters located?

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Substitute Teacher Service, Inc.'s main headquarters is located at 2901 Dutton Mill Road Suite 200 Aston, Pennsylvania 19014 United States. The company has employees across 4 continents, including North AmericaEuropeAsia.

What is Substitute Teacher Service, Inc.'s phone number?

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You can contact Substitute Teacher Service, Inc.'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 Substitute Teacher Service, Inc.'s official website and social media links?

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Substitute Teacher Service, Inc.'s official website is thesubservice.com and has social profiles on LinkedIn.

What is Substitute Teacher Service, Inc.'s NAICS code?

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Substitute Teacher Service, Inc.'s NAICS code is 92311 - Administration of Education Programs.

How many employees does Substitute Teacher Service, Inc. have currently?

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As of June 2026, Substitute Teacher Service, Inc. has approximately 1.9K employees across 4 continents, including North AmericaEuropeAsia. Key team members include Vice President Chief Financial Officer: M. G.Vice President Of Operations And Technology: K. K.President: J. G.. Explore Substitute Teacher Service, Inc.'s employee directory with LeadIQ.

What industry does Substitute Teacher Service, Inc. belong to?

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Substitute Teacher Service, Inc. operates in the Education Administration Programs industry.

What technology does Substitute Teacher Service, Inc. use?

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Substitute Teacher Service, Inc.'s tech stack includes VIAOpen GraphCloudflarejQueryHSTSPiwikGoogle Search ConsoleAdobe Fonts.

What is Substitute Teacher Service, Inc.'s email format?

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Substitute Teacher Service, Inc.'s email format typically follows the pattern of F.Last@thesubservice.com. Find more Substitute Teacher Service, Inc. email formats with LeadIQ.

When was Substitute Teacher Service, Inc. founded?

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Substitute Teacher Service, Inc. was founded in 1994.
Substitute Teacher Service, Inc. logo

Substitute Teacher Service, Inc.

Education Administration ProgramsPennsylvania, United States1001-5000 Employees

Substitute Teacher Service, Inc. provides substitute teachers, teacher aides, and other support personnel to school districts in Pennsylvania. Based in Aston, it emphasizes reliable staffing and cost-effective solutions designed to meet the diverse needs of client districts. It offers substitutes opportunities to gain experience across multiple districts, supporting their professional development. It aims to minimize classroom disruption through timely placements and a seamless integration of temporary staff.

Operating within the Education Administration Programs field, the company serves school districts in Pennsylvania from its Aston headquarters. In March 2025, media reports indicated a data breach involving STS, highlighting a security incident affecting its operations.

Section iconCompany Overview

Headquarters
2901 Dutton Mill Road Suite 200 Aston, Pennsylvania 19014 United States
Phone number
NAICS Code
92311 - Administration of Education Programs
Founded
1994
Employees
1001-5000

Section iconFunding & Financials

  • $100M$250M

    Substitute Teacher Service, Inc.'s revenue is estimated to be in the range of $100M$250M

Section iconFunding & Financials

  • $100M$250M

    Substitute Teacher Service, Inc.'s revenue is estimated to be in the range of $100M$250M

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