Insights

Niche Focus Small environmental services firm specializing in mold testing and indoor air quality for homeowners in Charleston, presenting a targeted opportunity to upsell residential IAQ services and maintenance contracts to local homeowners associations, property managers, and renovation contractors.

Expert Credibility Founder has 25+ years in HVAC, moisture control, and IAQ with appellate expert testimony exposure, enabling high-trust sales conversations with legal professionals, insurance adjusters, and commercial clients seeking expert air-quality assessments.

Growth Potential Revenue under one million with a lean team suggests capacity to scale through partnerships, white-label service offerings, and subcontractor networks to enter adjacent markets such as commercial buildings, schools, and healthcare facilities.

Tech & Web Adoption of modern tech stack (JSON-LD, Google Tag Manager, Cloudflare, Bootstrap) indicates readiness for digital marketing, lead tracking, and client portals; leverage to build targeted campaigns for homeowner segments and contractor referrals.

Market Positioning Operating in a high-value, compliance-heavy sector with established industry peers (large engineering firms) creates an opportunity to differentiate via specialized IAQ testing, moisture control consultation, and legally cognizant air-quality reporting for both residential and small commercial projects.

Similar companies to GLS Engineering & Testing

GLS Engineering & Testing Tech Stack

GLS Engineering & Testing uses 8 technology products and services including JSON-LD, Lightbox, Gentoo, and more. Explore GLS Engineering & Testing's tech stack below.

  • JSON-LD
    Javascript Frameworks
  • Lightbox
    Javascript Libraries
  • Gentoo
    Operating Systems
  • Lua
    Programming Languages
  • Cloudflare Bot Management
    Security
  • Google Tag Manager
    Tag Management
  • Bootstrap
    UI Frameworks
  • Apache
    Web Servers

GLS Engineering & Testing's Email Address Formats

GLS Engineering & Testing uses at least 1 email format:
GLS Engineering & Testing Email FormatsExamplePercentage
First@glsengineering.comJohn@glsengineering.com
100%

Frequently Asked Questions

What is GLS Engineering & Testing's phone number?

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You can contact GLS Engineering & Testing'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 GLS Engineering & Testing's official website and social media links?

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GLS Engineering & Testing's official website is glsengineering.com and has social profiles on LinkedIn.

How much revenue does GLS Engineering & Testing generate?

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As of August 2026, GLS Engineering & Testing's annual revenue is estimated to be <$1M.

What is GLS Engineering & Testing's NAICS code?

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GLS Engineering & Testing's NAICS code is 54162 - Environmental Consulting Services.

How many employees does GLS Engineering & Testing have currently?

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As of August 2026, GLS Engineering & Testing has approximately 3 employees across 1 continents, including North America. Key team members include President: L. S. and President: I. T. Explore GLS Engineering & Testing's employee directory with LeadIQ.

What industry does GLS Engineering & Testing belong to?

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GLS Engineering & Testing operates in the Environmental Services industry.

What technology does GLS Engineering & Testing use?

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GLS Engineering & Testing's tech stack includes JSON-LD, Lightbox, Gentoo, Lua, Cloudflare Bot Management, Google Tag Manager, Bootstrap and Apache.

What is GLS Engineering & Testing's email format?

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GLS Engineering & Testing's email format typically follows the pattern of First@glsengineering.com. Find more GLS Engineering & Testing email formats with LeadIQ.

When was GLS Engineering & Testing founded?

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GLS Engineering & Testing was founded in 2003.
GLS Engineering & Testing logo

GLS Engineering & Testing

Environmental ServicesSouth Carolina, United States2-10 Employees

GLS Engineering & Testing is an environmental services firm based in Mount Pleasant, South Carolina, that has been providing residential mold testing and a range of indoor air quality services since 2003. The company emphasizes a combination of formal education and practical experience, led by founder Louis Schweers, who has over 25 years of HVAC, moisture control, and indoor air quality expertise and is called upon for expert testimony in related legal cases.

Serving homeowners in Charleston and nearby areas, GLS Engineering & Testing addresses environmental concerns tied to indoor environments, focusing on identifying and assessing mold and other factors affecting air quality. While the core team is small, the organization positions itself within the environmental services sector through specialized knowledge and a track record of applying its expertise to building performance and moisture-related issues in both residential and commercial contexts.

Section iconCompany Overview

Phone number
NAICS Code
54162 - Environmental Consulting Services
Founded
2003
Employees
2-10

Section iconFunding & Financials

  • <$1M

    GLS Engineering & Testing's revenue is estimated to be in the range of <$1M

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