S G Williams of Dover Inc.

- On-time delivery is frequently mentioned.
- Staff are described as knowledgeable, helpful, and friendly, with practical product suggestions, especially during remodeling.
- The business is presented as a strong contractor source for exterior needs, including roofing, siding, decking, and related supplies, with a broad inventory.
- Pricing is described as decent or competitive.
- Customer service is consistently praised, with positive experiences at both the counter and in the warehouse.
- Several customers view them as a better option than box stores.