Hi! We received radically different bids to do work on our slate roof from two companies. If any of you have experience with either of these companies and let us know about your experience (good work? reasonable? reliable?), I'd appreciate it! Or, if you've had slate roofing work done by another company and were happy with it, we would love another referral to help us think through things. The companies we have bids from are: Holzer & Jesko Burns Scalo Thanks! Stephanie