What is First Class Plumbing, LLC's NAICS code?

First Class Plumbing, LLC's NAICS code is 23 (Construction).

Insights

Geographic Reach Strong presence in the Baltimore-Washington metro area with multiple office locations in Leesburg VA, Germantown MD, Annapolis MD, and Washington DC, indicating a broad service footprint ideal for regional expansion partnerships and enterprise client targeting.

Residential and Commercial Offers both residential and commercial plumbing and heating services, including emergencies, remodeling, water heaters, drain cleaning, jetting, and septic pumping, enabling cross-sell opportunities to homeowners associations, property managers, and small to mid-size businesses.

Private Sector Growth Revenue in the multi-million range and woman-owned status can be highlighted in outreach to corporate procurement programs that prioritize diverse suppliers, expanding opportunities with government contractors, developers, and facility managers seeking diverse vendors.

Tech & Credibility Utilizes standard business tech stack and modern web/SEO tools (MySQL, Microsoft 365, JSON-LD, HTTP/3) that support scalable customer data management and online marketing; leverage for targeted digital campaigns and service listings.

Competitive Positioning Mid-sized regional player with broad service offerings and 11–50 employees; position against similar regional plumbing firms by emphasizing rapid emergency response, licensed certifications, and local market knowledge to win multi-site maintenance contracts.

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First Class Plumbing, LLC Tech Stack

First Class Plumbing, LLC uses 8 technology products and services including gstatic.com, MySQL, Microsoft 365, and more. Explore First Class Plumbing, LLC's tech stack below.

gstatic.com
Content Delivery Network
MySQL
Database
Microsoft 365
Email
Font Awesome
Font Scripts
JSON-LD
Javascript Frameworks
Modernizr
Javascript Libraries
Office 365
Office Suites
HTTP/3
Web & Portal Technology

First Class Plumbing, LLC's Email Address Formats

First Class Plumbing, LLC uses at least 1 format(s):

First Class Plumbing, LLC Email Formats	Example	Percentage
First@1stclassplumber.com	John@1stclassplumber.com	86%
Last@1stclassplumber.com	Doe@1stclassplumber.com	7%
FirstLast@1stclassplumber.com	JohnDoe@1stclassplumber.com	4%
First_Last@1stclassplumber.com	John_Doe@1stclassplumber.com	3%

Frequently Asked Questions

What is First Class Plumbing, LLC's phone number?

You can contact First Class Plumbing, LLC's main corporate office by phone at

+1-410-571-****

. 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 First Class Plumbing, LLC's official website and social media links?

First Class Plumbing, LLC's official website is 1stclassplumber.com and has social profiles on LinkedIn.

How much revenue does First Class Plumbing, LLC generate?

As of August 2026, First Class Plumbing, LLC's annual revenue is estimated to be $10M - $25M.

What is First Class Plumbing, LLC's SIC code NAICS code?

First Class Plumbing, LLC's SIC code is 7699 - Repair Shops and Related Services, Not Elsewhere Classified NAICS code is 23 - Construction.

How many employees does First Class Plumbing, LLC have currently?

As of August 2026, First Class Plumbing, LLC has approximately 22 employees across 2 continents, including North AmericaOceania. Key team members include Vice President And Owner: M. M.Business Owner: J. W.Director, Human Resources Operations: C. H.. Explore First Class Plumbing, LLC's employee directory with LeadIQ.

What industry does First Class Plumbing, LLC belong to?

First Class Plumbing, LLC operates in the Construction industry.

What technology does First Class Plumbing, LLC use?

First Class Plumbing, LLC's tech stack includes gstatic.comMySQLMicrosoft 365Font AwesomeJSON-LDModernizrOffice 365HTTP/3.

What is First Class Plumbing, LLC's email format?

First Class Plumbing, LLC's email format typically follows the pattern of First@1stclassplumber.com. Find more First Class Plumbing, LLC email formats with LeadIQ.

When was First Class Plumbing, LLC founded?

First Class Plumbing, LLC was founded in 1994.

First Class Plumbing, LLC

Q: How many employees does First Class Plumbing, LLC have currently?

First Class Plumbing, LLC has approximately 22 employees.

Q: What technology does First Class Plumbing, LLC use?

First Class Plumbing, LLC's tech stack includes RSS, Google Fonts API, Modernizr, Font Awesome, Open Graph.

ConstructionMaryland, United States11-50 Employees

First Class Plumbing, LLC is a woman-owned plumbing and heating company serving residential and commercial clients in the Baltimore-Washington metropolitan area, including Northern Virginia and several Maryland counties as well as the broader Washington, D.C. area. The firm provides services such as drain cleaning, water heater repair and installation, water jetting, septic pumping, and kitchen and bathroom remodeling, addressing a range of water service and plumbing repair needs for homes and offices. With office locations in Leesburg, VA; Germantown, MD; Annapolis, MD; and Washington, D.C., the company positions itself as a round-the-clock provider able to respond at any hour. While operating within the construction industry, it emphasizes certified plumbers and a broad scope of plumbing and heating services to support both new installations and ongoing maintenance across its service footprint.

Company Overview

Phone number: +1-410-571-****
Website: 1stclassplumber.com
SIC Code: 7699 - Repair Shops and Related Services, Not Elsewhere Classified
NAICS Code: 23 - Construction
Founded: 1994
Employees: 11-50