Insights

Market Positioning STH offers a broad portfolio of pre-engineered fire pumps, water booster, and wastewater systems for commercial, municipal, and industrial sectors, suggesting cross-sell opportunities across similar utility and building projects in construction and public works.

Geographic Footprint Based in Frederick, MD with a focus on regional services and on-site maintenance, there is potential to expand into nearby states and federal facilities requiring robust water and waste handling systems.

Service Differentiation Strong emphasis on field service, installation support, preventive maintenance, and parts servicing indicates opportunities to offer service contracts, bundled maintenance packages, and rapid-response support to asset-heavy customers.

Technology Leverage Adoption of advanced system application engineering, VFD solutions, and data-driven support aligns with selling high-efficiency, smart control options and remote monitoring to reduce lifecycle costs for clients.

Growth Signals Revenue range and partnerships indicate a scaling trajectory; leverage recent partner relationships and the LinkedIn presence to source new project leads, expand into public sector bids, and upsell to existing customers with broader water management systems.

STH LLC Tech Stack

STH LLC uses 8 technology products and services including MySQL, Microsoft Outlook, jQuery Migrate, and more. Explore STH LLC's tech stack below.

  • MySQL
    Database
  • Microsoft Outlook
    Email
  • jQuery Migrate
    Javascript Libraries
  • Slick
    Javascript Libraries
  • Lodash
    Javascript Libraries
  • reCAPTCHA
    Security
  • Google Search Console
    Web Analytics
  • Google Analytics
    Web Analytics

STH LLC's Email Address Formats

STH LLC uses at least 1 format(s):
STH LLC Email FormatsExamplePercentage
First.Last@sthinc.comJohn.Doe@sthinc.com
100%

Frequently Asked Questions

What is STH LLC's official website and social media links?

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STH LLC's official website is sthinc.com and has social profiles on LinkedIn.

How much revenue does STH LLC generate?

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As of July 2026, STH LLC's annual revenue is estimated to be $25M - $50M.

What is STH LLC's NAICS code?

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STH LLC's NAICS code is 23 - Construction.

How many employees does STH LLC have currently?

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As of July 2026, STH LLC has approximately 54 employees across 2 continents, including North AmericaAsia. Key team members include Chief Operating Officer: G. K.Fabrication Manager: M. W.Representative: B. C.. Explore STH LLC's employee directory with LeadIQ.

What industry does STH LLC belong to?

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STH LLC operates in the Construction industry.

What technology does STH LLC use?

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STH LLC's tech stack includes MySQLMicrosoft OutlookjQuery MigrateSlickLodashreCAPTCHAGoogle Search ConsoleGoogle Analytics.

What is STH LLC's email format?

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STH LLC's email format typically follows the pattern of First.Last@sthinc.com. Find more STH LLC email formats with LeadIQ.

When was STH LLC founded?

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STH LLC was founded in 1973.
STH LLC logo

STH LLC

ConstructionMaryland, United States51-200 Employees

STH LLC is a mid-sized construction firm based in Frederick, Maryland, serving commercial, municipal, and industrial markets. It offers a range of pre-engineered and packaged pumping and water-management systems, including fire pumps, water booster systems, sump and sewage systems, and on-site wastewater and rainwater harvesting setups, along with controllers and VFD solutions. The company provides system application engineering and studies, along with detailed product sales and comprehensive support services. It emphasizes field service and engineering expertise as core capabilities to address customer needs in its target sectors. In 2023, STH announced the launch of its LinkedIn Company Page, marking a recent development in its digital presence.

Section iconCompany Overview

Website
sthinc.com
NAICS Code
23 - Construction
Founded
1973
Employees
51-200

Section iconFunding & Financials

  • $25M - $50M

    STH LLC's revenue is estimated to be in the range of $25M - $50M

Section iconFunding & Financials

  • $25M - $50M

    STH LLC's revenue is estimated to be in the range of $25M - $50M

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