Insights

Legacy to Automation The company has expertise in supporting and upgrading legacy components and early computer systems while offering design, installation, and commissioning for state‑of‑the‑art automation and communications systems, signaling a strong cross‑sell opportunity from maintenance of existing assets to modernized control solutions.

Instrumentation Focus Core specialization in service, calibration, design, and installation of process control instrumentation across industrial manufacturing and municipal water and wastewater sectors creates upsell potential for calibration services, spare parts, and preventive maintenance contracts.

Parts & Consumables Extensive inventory of consumables such as thermocouples, RTDs, sensors, probes, charts, pens, and ribbons positions the company as a convenient one‑stop shop for ongoing maintenance, enabling recurring parts sales and bundled service offerings.

Mid‑Market Growth With revenue in the mid‑range and a lean team, there is an opportunity to pursue mid‑market accounts looking for reliable automation partners, offering scalable service agreements and remote monitoring to expand wallet share without committing to large enterprise sales cycles.

Competitive Positioning Compared to large global incumbents, the firm’s smaller size and customer‑friendly, no‑nonsense approach can be leveraged to win cyclical maintenance, retrofit projects, and quick‑turnaround services in regional markets where responsiveness and specialized support matter.

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Control Systems 21 Tech Stack

Control Systems 21 uses 8 technology products and services including Crazy Egg, iCIMS, WordPress, and more. Explore Control Systems 21's tech stack below.

Control Systems 21's Email Address Formats

Control Systems 21 uses at least 1 email format:
Control Systems 21 Email FormatsExamplePercentage
FLast@controlsystems21.comJDoe@controlsystems21.com
100%

Frequently Asked Questions

What is Control Systems 21's official website and social media links?

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Control Systems 21's official website is controlsystems21.com and has social profiles on LinkedIn.

How much revenue does Control Systems 21 generate?

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As of August 2026, Control Systems 21's annual revenue is estimated to be $25M - $50M.

What is Control Systems 21's NAICS code?

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Control Systems 21's NAICS code is 81 - Other Services (except Public Administration).

How many employees does Control Systems 21 have currently?

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As of August 2026, Control Systems 21 has approximately 20 employees across 1 continents, including North America. Key team members include Chief Information Officerchief Technology Officervice President Information Technology: C. L., Controller: L. B. and General Manager: B. K. Explore Control Systems 21's employee directory with LeadIQ.

What industry does Control Systems 21 belong to?

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Control Systems 21 operates in the Consumer Services industry.

What technology does Control Systems 21 use?

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Control Systems 21's tech stack includes Crazy Egg, iCIMS, WordPress, MySQL, Microsoft 365, Google Tag Manager, Piwik PRO Core and Apache.

What is Control Systems 21's email format?

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Control Systems 21's email format typically follows the pattern of FLast@controlsystems21.com. Find more Control Systems 21 email formats with LeadIQ.

When was Control Systems 21 founded?

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Control Systems 21 was founded in 1985.
Control Systems 21 logo

Control Systems 21

Consumer ServicesPennsylvania, United States11-50 Employees

Control Systems 21, based in Dillsburg, Pennsylvania, focuses on service, calibration, design and installation of process control instrumentation. Its work spans both legacy components and early computer systems as well as modern automation and communications projects. The company follows a straightforward operating approach intended to help clients manage automation and control budgets. Its clients include precision industrial manufacturers and municipal water and wastewater facilities. Beyond services, the firm supplies replacement parts and consumables from multiple manufacturers, such as thermocouples, RTDs, sensors, probes, charts, pens and ribbons. Operating within the consumer services industry, it positions itself as a small-to-mid-sized provider that offers hands-on instrument support and installation expertise.

Section iconCompany Overview

NAICS Code
81 - Other Services (except Public Administration)
Founded
1985
Employees
11-50

Section iconFunding & Financials

  • $25M - $50M

    Control Systems 21's revenue is estimated to be in the range of $25M - $50M

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