Insights

Strategic Acquisition Aspen Manufacturing has recently been acquired by CSW Industrials via RectorSeal, signaling potential alignment with broader HVACR distribution channels and access to enhanced capital, cross-sell opportunities, and integration with CSW's contractor solutions ecosystem.

Expansion Footprint Historically expanding capacity in Humble Texas and now part of a larger corporate group, Aspen offers opportunities to upsell higher-efficiency evaporator coils and air handlers to wholesalers and distributors seeking scalable supply with improved lead times.

Midmarket Focus With 51-200 employees and revenue in the mid several tens of millions, Aspen sits between small independents and large manufacturers, presenting a chance to win mid-market HVAC distributors and regional contractors seeking reliable, domestically produced coils and air handlers.

Product Line Synergy Aspen operates under Aspen and Airmark brands for residential and light commercial coils and air handlers, creating cross-sell opportunities with RectorSeal’s plumbing and HVAC tools, as well as CSW’s engineered building solutions.

Digital & Channels Existing tech stack including HubSpot, AWS, Zendesk, and a distributor-focused web presence suggests readiness for data-driven account-based outreach, targeted marketing to wholesalers, and improved after-sales support to drive repeat orders.

Similar companies to Aspen Manufacturing

Aspen Manufacturing Tech Stack

Aspen Manufacturing uses 8 technology products and services including HubSpot Analytics, Amazon Web Services, Sucuri, and more. Explore Aspen Manufacturing's tech stack below.

Aspen Manufacturing's Email Address Formats

Aspen Manufacturing uses at least 4 email formats:
Aspen Manufacturing Email FormatsExamplePercentage
First.Last@aspenmfg.comJohn.Doe@aspenmfg.com
60%
FLast@aspenmfg.comJDoe@aspenmfg.com
28%
FirstL@aspenmfg.comJohnD@aspenmfg.com
8%
FirstLast@aspenmfg.comJohnDoe@aspenmfg.com
4%

Frequently Asked Questions

What is Aspen Manufacturing's phone number?

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You can contact Aspen Manufacturing'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 Aspen Manufacturing's official website and social media links?

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Aspen Manufacturing's official website is aspenmfg.com and has social profiles on LinkedIn.

How much revenue does Aspen Manufacturing generate?

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As of October 2026, Aspen Manufacturing's annual revenue is estimated to be $25M - $50M.

What is Aspen Manufacturing's SIC code and NAICS code?

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Aspen Manufacturing's SIC code is 3599 - Industrial and Commercial Machinery and Equipment, Not Elsewhere Classified and NAICS code is 3334 - Ventilation, Heating, Air-Conditioning, and Commercial Refrigeration Equipment Manufacturing.

How many employees does Aspen Manufacturing have currently?

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As of October 2026, Aspen Manufacturing has approximately 69 employees across 2 continents, including North America and Asia. Key team members include Owner: G. W., Partner: J. S. and Vice President, Sales & Marketing: G. G. Explore Aspen Manufacturing's employee directory with LeadIQ.

What industry does Aspen Manufacturing belong to?

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Aspen Manufacturing operates in the HVAC and Refrigeration Equipment Manufacturing industry.

What technology does Aspen Manufacturing use?

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Aspen Manufacturing's tech stack includes HubSpot Analytics, Amazon Web Services, Sucuri, Cloudflare, WordPress, Segment, Zendesk and Microsoft 365.

What is Aspen Manufacturing's email format?

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Aspen Manufacturing's email format typically follows the pattern of First.Last@aspenmfg.com. Find more Aspen Manufacturing email formats with LeadIQ.

When was Aspen Manufacturing founded?

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Aspen Manufacturing was founded in 1975.
Aspen Manufacturing logo

Aspen Manufacturing

HVAC and Refrigeration Equipment ManufacturingTexas, United States51-200 Employees

Aspen Manufacturing, founded in 1975 and based in Humble, Texas, designs and builds evaporator coils and air handlers for residential and light commercial HVAC systems. It operates as a wholly owned subsidiary of RectorSeal, LLC, which is part of CSW Industrials. The company markets its products under the Aspen and Airmark brands and distributes them through wholesalers and distributors across the United States and Canada. Aspen is positioned as one of the largest independent producers of evaporator coils and air handlers in North America, supplying components essential to HVAC/R installations. The Humble facility has expanded in 2019 to increase capacity, enlarging the plant and adding machinery in a dedicated aluminum tube department.

Section iconCompany Overview

Phone number
SIC Code
3599 - Industrial and Commercial Machinery and Equipment, Not Elsewhere Classified
NAICS Code
3334 - Ventilation, Heating, Air-Conditioning, and Commercial Refrigeration Equipment Manufacturing
Founded
1975
Employees
51-200

Section iconFunding & Financials

  • $25M - $50M

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

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