Run a free full auditGateway Supply Co. of Columbia is a plumbing supply store in Columbia, SC. The business serves homeowners, kitchen and bath designers, and plumbing and HVAC contractors with a wide range of products and expert guidance. Its counters stock plumbing supplies, HVAC products, and tools, while its showroom displays faucets, sinks, fixtures, and vanities. The store holds a rating of 4.80 based on 67 reviews.
Gateway Supply Company has served plumbing and HVAC professionals across North and SC since 1964. The company operates branches throughout the region, offering contractors quick turnaround times and extensive in-stock inventories. Its team includes knowledgeable counter staff and consultants who provide trusted products and personalized service to support projects from start to finish.
The Columbia location features a luxury kitchen and bath showroom designed to inspire with beautifully crafted displays. These exhibits feature elegant bathtubs, sleek showers, premium faucets, sinks, and vanities. Customers can schedule appointments with Showroom Consultants to maximize their experience or stop by to browse the displays at their convenience. The business provides contact information for showroom appointments and general inquiries, including a toll-free number and email address.
The business enjoys a strong local reputation, reflected in consistently high customer ratings. It maintains a steady record of repeat and referred customers who value its dependable service and extensive product selection.
Gateway Supply Co. of Columbia combines decades of regional experience with a dedicated showroom to support contractors and homeowners in Columbia, SC.
The business is located on Hamrick St, about a tenth of a mile from Olympia Avenue and the Olympia Mill School. It is also near the Olympia Mill Village Museum and Rosewood Drive.
BizScoreAI gives the business a Performance score of 89 out of 100, which measures how quickly the website loads to keep visitors on the page. The Authority score is 75 out of 100.
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BizScoreAI scanned the website gatewaysupply.net on September 26, 2026. Gateway Supply Co. of Columbia has a BizScore of 47 out of 100.
AI visibility scan by category: AI Discovery 10 of 25 points, Structured Data 0 of 25 points, Content Readiness 5 of 30 points, AI Trust Signals 8 of 20 points.
Website audit sub-scores (out of 100): On-Page 58, Technical 79, Performance 89, Content 40.
Strengths: 3 checks passed. AI Crawler Access, AI Content Blocking, About/Team Page.
Areas to improve: 13 checks. llms.txt (failed), Structured Data (failed), Google Business Profile Link (failed), LocalBusiness Schema (failed), Third-Party Review Links (failed), Q&A Content (failed), Content Too Thin (failed), Hyperlocal Targeting (warning), Local Multimedia (warning), AI-Parseable Headings (warning), Meta Description (warning), XML Sitemap (warning), Author Signals (warning).
Browse: Businesses in Columbia, SC · Plumbing Supply Store in SC · Businesses in SC
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