"Cornerstone is the best underground utilities contractor in town. I use them on all of my projects because I work on a lot of environmentally critical areas. I trust Cornerstone to deliver on my toughest jobs."
- Jon Riser
"Part of our mission at Rafn is to develop strong partnerships that help us provide customer satisfaction while still keeping our costs low. Cornerstone saves money for our customers and gets the job done on time – every time.”
- Rafn Company
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Company Ratings
Alex Daisley
- Hammer & Hand
04/2019
4.1
Preconstruction Services
4.0
Cost Estimating
4.0
Competitive Pricing
4.0
Schedule
4.0
Quality of Work
4.0
Jobsite Safety
4.0
Paperwork & Administration
4.0
Professional & Courteous Service
5.0
Would Use Again
Yes
Overall Company Ratings
4.1 / 5.0
Average rating of 1 reviews
Customer Satisfaction
100% of Customers would use us again based on 1 review(s).
