Run a free full audit1st Source Contractors is a Construction Company in O'Fallon, IL, located at 1560 Frontage Rd. The company provides exterior solutions for residential and commercial properties, specializing in roofing, siding, gutters, windows, and solar tubes. They also handle storm damage repair and insurance claim assistance. The business serves the St. Louis Metro and Metro East communities, including O’Fallon, Belleville, Columbia, Collinsville, Edwardsville, Glen Carbon, Lebanon, Waterloo, and Millstadt on the Illinois side, as well as St. Louis City, St. Louis County, South County, North County, and West County on the Missouri side. It holds a rating of 3.70 based on customer reviews.
Owners Brad and Kelly Miller have served customers since 2003. The company employs four in-house trades to handle roofing, siding, gutters, and window projects. They provide free, no-obligation estimates and guide clients through inspections and consultations. The business is an Accredited Member of the Better Business Bureau with an A+ Rating. It holds GAF “Master Elite” Contractor status, a designation awarded to only the top 2% of contractors nationwide. It is also a CertainTeed “Shingle Master” company.
The team handles both storm damage restoration and cosmetic upgrades, managing the entire process from assessment to project completion. They assist with insurance claims for damage caused by hail, wind, and substantial rainfall.
1st Source Contractors has been serving the St. Louis Metro and Metro East areas since 2003.
1st Source Contractors is located on Frontage Rd in O'Fallon, IL, just 0.1 miles from Ogles Creek and 0.4 miles from West Highway 50.
BizScoreAI assigns the business a Performance score of 76 out of 100. This metric measures website loading speed, which keeps visitors on the page and serves as a ranking factor for search engines.
BizScoreAI scanned the website 1stsourcecontractors.com on July 7, 2026. 1st Source Contractors has a BizScore of 28 out of 100.
AI visibility scan by category: AI Discovery 0 of 25 points, Structured Data 0 of 25 points, Content Readiness 0 of 30 points, AI Trust Signals 0 of 20 points.
Website audit sub-scores (out of 100): On-Page 23, Technical 52, Performance 76, Content 55.
Strengths: 1 check passed. AI Content Blocking.
Areas to improve: 9 checks. llms.txt (failed), Structured Data (failed), Q&A Content (failed), Content Too Thin (failed), Meta Description (failed), Weak Heading Structure (warning), About/Team Page (warning), XML Sitemap (warning), Author Signals (warning).
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