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Standards Certified NCTL is an ISO/IEC 17025 accredited fenestration testing lab with multiple accreditations (NFRC, CMA, AAMA, IGCC/IGMA, SGCC, Miami-Dade, Florida Product Approval), indicating strong compliance credibility suitable for selling to manufacturers seeking validated test results.

Diverse Testing Footprint With in-house testing for windows, doors, skylights, and curtain walls plus field testing for curtain wall installations, NCTL offers end-to-end validation capabilities that can appeal to full-scope fenestration projects and integrators.

Strategic Locations HQ in York, PA with additional labs in Everett, WA and Orlando, FL position NCTL to service both East and West Coast markets and support national manufacturers with regional testing access.

Moderate Growth Profile Estimated revenue in the under $10M range and a lean employee base (11-50) suggests a nimble operation with potential for scaled testing partnerships and tiered service offerings to mid-market fenestration manufacturers.

Tech Enablement Utilizes common web and analytics tech stack (Google Fonts API, Twemoji, jQuery, Underscore.js) and maintains a professional online presence, offering opportunities to engage through digital outreach, case studies, and online qualification of testing needs.

Similar companies to National Certified Testing Laboratories, Inc.

National Certified Testing Laboratories, Inc. Tech Stack

National Certified Testing Laboratories, Inc. uses 5 technology products and services including Google Fonts API, Twemoji, jQuery, and more. Explore National Certified Testing Laboratories, Inc.'s tech stack below.

  • Google Fonts API
    Font Scripts
  • Twemoji
    Font Scripts
  • jQuery
    Javascript Libraries
  • Underscore.js
    Javascript Libraries
  • GoDaddy
    Web Hosting

National Certified Testing Laboratories, Inc.'s Email Address Formats

National Certified Testing Laboratories, Inc. uses at least 3 email formats:
National Certified Testing Laboratories, Inc. Email FormatsExamplePercentage
FLast@nctlinc.comJDoe@nctlinc.com
91%
FirstL@nctlinc.comJohnD@nctlinc.com
4%
F.Last@nctlinc.comJ.Doe@nctlinc.com
5%

Frequently Asked Questions

What is National Certified Testing Laboratories, Inc.'s phone number?

Minus sign iconPlus sign icon You can contact National Certified Testing Laboratories, Inc.'s main corporate office by phone at
+1-407-240-****
. 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 National Certified Testing Laboratories, Inc.'s official website and social media links?

Minus sign iconPlus sign iconNational Certified Testing Laboratories, Inc.'s official website is nctlinc.com and has social profiles on LinkedIn.

How much revenue does National Certified Testing Laboratories, Inc. generate?

Minus sign iconPlus sign icon As of September 2026, National Certified Testing Laboratories, Inc.'s annual revenue is estimated to be $1M - $10M.

What is National Certified Testing Laboratories, Inc.'s SIC code and NAICS code?

Minus sign iconPlus sign iconNational Certified Testing Laboratories, Inc.'s SIC code is 7389 - Business Services, Not Elsewhere Classified and NAICS code is 4233 - Lumber and Other Construction Materials Merchant Wholesalers.

How many employees does National Certified Testing Laboratories, Inc. have currently?

Minus sign iconPlus sign iconAs of September 2026, National Certified Testing Laboratories, Inc. has approximately 25 employees across 2 continents, including North America and South America. Key team members include Executive Vice President: R. Z., Geotechnical Engineering Consultant - Remote: A. R. and Engineering Services To The Building Products Industry: E. R. Explore National Certified Testing Laboratories, Inc.'s employee directory with LeadIQ.

What industry does National Certified Testing Laboratories, Inc. belong to?

Minus sign iconPlus sign iconNational Certified Testing Laboratories, Inc. operates in the Wholesale Building Materials industry.

What technology does National Certified Testing Laboratories, Inc. use?

Minus sign iconPlus sign iconNational Certified Testing Laboratories, Inc.'s tech stack includes Google Fonts API, Twemoji, jQuery, Underscore.js and GoDaddy.

What is National Certified Testing Laboratories, Inc.'s email format?

Minus sign iconPlus sign iconNational Certified Testing Laboratories, Inc.'s email format typically follows the pattern of FLast@nctlinc.com. Find more National Certified Testing Laboratories, Inc. email formats with LeadIQ.

When was National Certified Testing Laboratories, Inc. founded?

Minus sign iconPlus sign iconNational Certified Testing Laboratories, Inc. was founded in 1977.
National Certified Testing Laboratories, Inc. logo

National Certified Testing Laboratories, Inc.

Wholesale Building MaterialsPennsylvania, United States11-50 Employees

National Certified Testing Laboratories, Inc. is a wholesale building materials testing firm with facilities in York, PA; Everett, WA; and Orlando, FL. The company provides in-house testing of fenestration products such as windows, doors, skylights, and curtain walls, and also conducts field testing for curtain wall installations. It operates as an approved laboratory for NFRC thermal simulations and CMA, is AAMA accredited, and holds additional approvals from IGCC/IGMA, SGCC, and Miami-Dade and Florida Product Approvals, with ISO/IEC 17025 accreditation. Serving customers in the building products sector, the organization supports product performance verification and code-compliance processes for manufacturers, specifiers, and regulatory bodies. Based in York, Pennsylvania, the business functions across multiple locations to support testing and certification services within the construction materials industry.

Section iconCompany Overview

Phone number
+1-407-240-****
Website
nctlinc.com
SIC Code
7389 - Business Services, Not Elsewhere Classified
NAICS Code
4233 - Lumber and Other Construction Materials Merchant Wholesalers
Founded
1977
Employees
11-50

Section iconFunding & Financials

  • $1M - $10M

    National Certified Testing Laboratories, Inc.'s revenue is estimated to be in the range of $1M - $10M

Company Leadership

  • Executive Vice President at National Certified Testing Laboratories, Inc.
    R. Z.
    Executive Vice President
    Mobile Phone
  • Geotechnical Engineering Consultant - Remote at National Certified Testing Laboratories, Inc.
    A. R.
    Geotechnical Engineering Consultant - Remote
    Mobile Phone
  • Engineering Services To The Building Products Industry at National Certified Testing Laboratories, Inc.
    E. R.
    Engineering Services To The Building Products Industry
    Mobile Phone

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