NAICS Code 54138 - Testing Laboratories and Services

Government Level - NAICS 5-Digit

Business Lists and Databases Available for Marketing and Research

Total Verified Companies: 4,146
Contact Emails: 42,270
Company Websites: 2,487
Phone Numbers: 3,870
Business Addresses: 4,146
Companies with Email: 2,800
Reach new customers, connect with decision makers, and grow your business. Pricing from $0.05 to $0.30 per lead.
Last Updated: 05/02/2025

About Database:

  • Continuously Updated Business Database
  • Phone-Verified Twice Annually
  • Monthly NCOA Processing via USPS
  • Compiled using national directory assistance data, annual reports, SEC filings, corporate registers, public records, new business phone numbers, online information, government registrations, legal filings, telephone verification, self-reported business information, and business directories.

Every purchased list is personally double verified by our Data Team using complex checks and scans.

Ideal for: Direct Mailing Email Campaigns Calling Market ResearchFree Sample & Report, Custom Lists, and Expert Support — All Included
Looking for more companies? See NAICS 5413 - Architectural, Engineering, and Related Services - 83,318 companies, 824,678 emails.

NAICS Code 54138 Description

See industry description for 541380. Source: Census.gov

Parent Category - 4-digit Level (less specific)

Subcategories - 6-digit Level (more specific)

Companies

SICCODE.com compiles comprehensive business data and executive contact leads for businesses within NAICS Code 54138 - Testing Laboratories and Services. Some of the leading and most notable companies are listed below. To order a list of companies within NAICS Code 54138 - Testing Laboratories and Services for marketing (postal mailing, telemarketing, emailing) or analytics-use, click on the link below to “Buy Business List”. Our data analysts are standing by to assist in your list setup and target marketing.

Industry Executives

Would you like to email executives in NAICS Code 54138 - Testing Laboratories and Services? Below are some of the common job titles available to be targeted.

  • Business Development
  • Chairman
  • C-Level
  • Director
  • Engineering
  • Executive Director
  • Facilities
  • Finance
  • Human Resource
  • IT
  • Manager
  • Marketing
  • Manufacturing
  • Operations
  • Owner
  • Partner
  • President
  • Principal
  • Purchasing
  • Sales
  • Vice President

For specific job title targeting, please provide details in the business list request form.

Executive Email List

Questions & Answers

  • How many active businesses operate in NAICS Code 54138?

    There are 4,146 verified business locations operating primarily in this industry.