What services does Sentry Steel Inc. offer?

Sentry Steel Inc. offers a range of commercial and industrial steel services, including steel erecting, fabrication for structural and miscellaneous steel, pre-engineered metal buildings, service welding, and pre-fabricated stairs.

What certifications does Sentry Steel Inc. hold?

Sentry Steel Inc. is an AISC certified building fabricator and an AWS certified welding fabricator, ensuring the highest quality in their work.

What types of custom steel fabrication does Sentry Steel Inc. offer?

Sentry Steel Inc. has experience in a variety of custom steel fabrication projects, including stairs and handrails, bollards, gates, ships ladders, dock stairs, structural steel buildings, joist and decking, and mezzanines, including platforms.

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Voyager DBDeep data on millions of local businesses, with verified decision-makers to reveal.Contact ResearchHand-built prospect lists from human researchers, delivered in 24 hours.People SearchFind owners and decision-makers by job title, seniority and department.Chrome ExtensionColdlytics in your browser - prospect any business as you browse the web.IntegrationsInstantly, Smartlead, lemlist, Clay, HighLevel, plus Claude and ChatGPT over MCP.

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Sentry Steel

$1.2M revenue • 8 employees • 4531 Knopp Ave, Louisville, KY, 40213, United States

Last Updated Apr 13, 2025

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Company Overview

Company Name

Sentry Steel

Address

4531 Knopp Ave, Louisville, KY, 40213, United States

Website

sentrysteelinc.com

Phone

(502) 361-5445

Approx. Annual Revenue

$1.2M

Employees

Established

2007

Google Reviews

4.8 (4 reviews)

About Sentry Steel

Sentry Steel Inc. is a steel services company based in Louisville, KY. With approximately 51 employees, the company specializes in steel erecting, fabrication, pre-engineered metal buildings, and other related services. Sentry Steel has been serving the local market for over 30 years and is certified by the AISC and AWS for its fabrication and welding capabilities.

Business Profile

Read from the Sentry Steel website on Oct 14, 2026. Hover an item to see the exact wording it came from.

About the website

Website quality (AI-assessed): 6/10 · Thin content, no contact details; No service details or portfolio

Recent changes

What changed on the Sentry Steel website and Google listing, as detected by Coldlytics on each visit.

Oct 13, 2026
Estimated revenue band moved from $2.5M-5M to $1M-2.5M
Oct 13, 2026
Estimated headcount moved from 11-20 to 6-10 employees

Coldlytics tracks changes like these across millions of businesses, so you can reach companies the moment they add a pixel, start hiring, or switch software.

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Metal Fabrication Companies near Louisville, KY

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Frequently Asked Questions about Sentry Steel

Technologies Used

Key Decision Makers

Martin Thieneman Owner

Marty Thieneman Owner