What is Critical Systems LLC's NAICS code?

Critical Systems LLC's NAICS code is 23 (Construction).

Insights

Market Niche Critical Systems LLC specializes in HVAC system representation with a focus on advanced, energy-efficient solutions such as variable refrigerant flow, custom air handlers, and packaged pumping systems, positioning it well to serve mid-sized commercial projects seeking reliable HVAC technology.

Tech Adoption The company utilizes modern web and analytics tools like WP Rocket, Google Tag Manager, and HTTP/3, indicating a strong digital presence and capacity to leverage online channels for lead generation and customer engagement.

Growth Potential With revenue estimates between 1 million and 10 million and a specialized product line, Critical Systems LLC can expand by targeting HVAC contractors and engineers seeking innovative solutions in the growing construction sector, especially in commercial and institutional markets.

Competitive Landscape Operating alongside major industry players like AECOM and Siemens, Critical Systems LLC has opportunities to differentiate through tailored solutions, responsive customer service, and strategic partnerships to increase market share in the HVAC distribution network.

Expansion Opportunities The company's product portfolio positions it for cross-selling opportunities with large construction firms and government projects that prioritize sustainable, efficient HVAC systems, especially as building codes increasingly favor energy-saving systems.

Similar companies to Critical Systems LLC

Critical Systems LLC Tech Stack

Critical Systems LLC uses 8 technology products and services including WP Rocket, oEmbed, RequireJS, and more. Explore Critical Systems LLC's tech stack below.

WP Rocket
Caching
oEmbed
Dev Tools
RequireJS
Javascript Frameworks
Lightbox
Javascript Libraries
imagesLoaded
Javascript Libraries
Trello
Project Management
Google Tag Manager
Tag Management
HTTP/3
Web & Portal Technology

Media & News

Critical Systems LLC's Email Address Formats

Critical Systems LLC uses at least 1 format(s):

Critical Systems LLC Email Formats	Example	Percentage
FLast@criticalsystemsllc.com	JDoe@criticalsystemsllc.com	45%
First.Last@criticalsystemsllc.com	John.Doe@criticalsystemsllc.com	9%
FMiddleLast@criticalsystemsllc.com	JMichaelDoe@criticalsystemsllc.com	1%
FLast@criticalsystemsllc.com	JDoe@criticalsystemsllc.com	45%

Frequently Asked Questions

Where is Critical Systems LLC's headquarters located?

Critical Systems LLC's main headquarters is located at 12216 Parklawn Drive Rockville, Maryland 20852 United States. The company has employees across 2 continents, including North AmericaSouth America.

What is Critical Systems LLC's phone number?

You can contact Critical Systems LLC's main corporate office by phone at

+1-570-977-****

. 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 Critical Systems LLC's official website and social media links?

Critical Systems LLC's official website is criticalsystemsllc.com and has social profiles on LinkedIn.

How much revenue does Critical Systems LLC generate?

As of December 2025, Critical Systems LLC's annual revenue is estimated to be $3.6M.

What is Critical Systems LLC's SIC code NAICS code?

Critical Systems LLC's SIC code is 5075 - Warm Air Heating and Air-Conditioning Equipment and Supplies NAICS code is 23 - Construction.

How many employees does Critical Systems LLC have currently?

As of December 2025, Critical Systems LLC has approximately 14 employees across 2 continents, including North AmericaSouth America. Key team members include Founder And President: A. D.Partner: R. L.Controls Operations Manager: M. M.. Explore Critical Systems LLC's employee directory with LeadIQ.

What industry does Critical Systems LLC belong to?

Critical Systems LLC operates in the Construction industry.

What technology does Critical Systems LLC use?

Critical Systems LLC's tech stack includes WP RocketoEmbedRequireJSLightboximagesLoadedTrelloGoogle Tag ManagerHTTP/3.

What is Critical Systems LLC's email format?

Critical Systems LLC's email format typically follows the pattern of FLast@criticalsystemsllc.com. Find more Critical Systems LLC email formats with LeadIQ.

When was Critical Systems LLC founded?

Critical Systems LLC was founded in 2008.

Critical Systems LLC

Q: How many employees does Critical Systems LLC have currently?

Critical Systems LLC has approximately 14 employees.

Q: What technology does Critical Systems LLC use?

Critical Systems LLC's tech stack includes ShareThis, WordPress, Google Fonts API, Google Analytics, RSS.

ConstructionMaryland, United States11-50 Employees

HVAC Manufacturers Representative.  Manufacturers Represented are:
ArctiChill/ArctiCool
LG Electronics Variable Refrigerant Flow
Addison DOAS and Makeup Air Units
Haakon Custom Air Handlers
Buffalo Custom Air Handlers
Metalaire VAV boxes
Canariis Packaged Pumping Systems and Chiller Plants
Neptronic Humidifiers and Electric Ductheaters

Company Overview

Headquarters: 12216 Parklawn Drive Rockville, Maryland 20852 United States
Phone number: +1-570-977-****
Website: criticalsystemsllc.com
SIC Code: 5075 - Warm Air Heating and Air-Conditioning Equipment and Supplies
NAICS Code: 23 - Construction
Founded: 2008
Employees: 11-50