Insights

Robust Certification Portfolio National Certified Testing Laboratories holds numerous industry accreditations including ISO IEC 17025, NFRC, CMA, AAMA, and others, positioning it as a trusted testing partner for manufacturers seeking comprehensive compliance verification for fenestration products.

Specialized Testing Services With in-house and field testing capabilities for windows, doors, skylights, and curtain walls across multiple locations, the company offers tailored testing solutions that can attract clients needing localized or large-scale validation.

Growing Industry Presence Operating within the wholesale building materials sector with a focus on fenestration, the company is well-positioned to capitalize on rising construction and renovation markets demanding certified and tested building components.

Complementary Tech Stack Utilizing modern web technologies and digital platforms improves its operational efficiency and customer engagement, creating opportunities to expand digital outreach and streamline client interactions.

Potential for Market Expansion Compared to larger competitors like UL and SGS, this company’s niche specialization and regional testing centers provide a potential sales opening by offering personalized, localized services to manufacturers seeking accreditation and testing support.

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

Media & News

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

National Certified Testing Laboratories, Inc. uses at least 1 format(s):
National Certified Testing Laboratories, Inc. Email FormatsExamplePercentage
FLast@nctlinc.comJDoe@nctlinc.com
90%
FirstL@nctlinc.comJohnD@nctlinc.com
5%
F.Last@nctlinc.comJ.Doe@nctlinc.com
5%

Frequently Asked Questions

Where is National Certified Testing Laboratories, Inc.'s headquarters located?

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National Certified Testing Laboratories, Inc.'s main headquarters is located at 5 Leigh Drive York, Pennsylvania 17406 United States. The company has employees across 2 continents, including North AmericaSouth America.

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

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You can contact National Certified Testing Laboratories, Inc.'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 National Certified Testing Laboratories, Inc.'s official website and social media links?

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National Certified Testing Laboratories, Inc.'s official website is nctlinc.com and has social profiles on LinkedIn.

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

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National Certified Testing Laboratories, Inc.'s NAICS code is 4233 - Lumber and Other Construction Materials Merchant Wholesalers.

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

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As of April 2026, National Certified Testing Laboratories, Inc. has approximately 25 employees across 2 continents, including North AmericaSouth America. Key team members include Ceo: D. B.President: D. Z.Chairman: C. B.. Explore National Certified Testing Laboratories, Inc.'s employee directory with LeadIQ.

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

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National Certified Testing Laboratories, Inc. operates in the Wholesale Building Materials industry.

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

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National Certified Testing Laboratories, Inc.'s tech stack includes Google Fonts APITwemojijQueryUnderscore.jsGoDaddy.

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

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National 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?

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National Certified Testing Laboratories, Inc. was founded in 1977.

National Certified Testing Laboratories, Inc.

Wholesale Building MaterialsPennsylvania, United States11-50 Employees

Fenestration testing laboratory located in York, PA (HQ), Everett, WA and Orlando, FL. In-house testing of windows, doors, skylights and curtain walls. Field testing including curtain wall installations. Approved laboratory for NFRC thermal, simulations and CMA, AAMA accredited, IGCC/IGMA, SGCC, Miami-Dade and Florida Product Approval. ISO/ IEC 17025 accredited.

Section iconCompany Overview

Headquarters
5 Leigh Drive York, Pennsylvania 17406 United States
Phone number
NAICS Code
4233 - Lumber and Other Construction Materials Merchant Wholesalers
Founded
1977
Employees
11-50

Section iconMedia & News

Section iconFunding & Financials

  • $1M$10M

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

Section iconFunding & Financials

  • $1M$10M

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

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