
Contact us
Keel-Mar Materials has two locations convenient to Maryland and Pennsylvania. Stop by our Glen Rock or York sites today to get started on your outdoor oasis. Let our knowledgeable staff help build your dream.

Keel-Mar Materials
335 Indian Rock Dam Rd.
York, PA 17403
717-235-2153
Monday–Friday- 7am – 5pm
Saturday- 7am – 2pm
Sunday- Closed
Mighty Oak Mulch
497 Barshinger Rd
Red Lion, PA 17356
717-244-3099
Monday–Friday- 7am – 4pm
Saturday- 7am – 2pm
Sunday- Closed
South End Supply
Retail Partner
12006 Baltimore St.
Glen Rock, PA 17327
717-227-2698
Monday–Friday- 7am – 7pm
Saturday- 7am – 3pm
Sunday- 8am – 2pm

The best raw materials, available at a location close by, ready for installation by our network of experts.
New for 2025, our Red Lion location has Decorative Stone, Aggregates, Grass Seed, Fertilizer, and Tools.

Visit our Retail Partner - South End Supply in Glen Rock for all your favorite Keel-Mar Materials.
