About Merrimack County Customs

Merrimack County Customs is your trusted partner for premium welding and custom metal fabrication in the Lake Sunapee region and beyond. Founded and operated by skilled craftsman Jason Allen, our shop combines state‑of‑the‑art technology—including 3D computer drafting—with time‑tested welding methods like MIG, TIG, and stick to bring every concept to life.

Whether you’re looking for sleek interior or exterior railings and stairs, heavy structural steelwork, bespoke fabrication for marine, automotive, or architectural projects, or even detailed wood‑topped stair treads and railing caps, we handle the full process from design through installation. At MCC, personalized service is at the heart of what we do—engaging closely with you to ensure your vision is understood, refined, and executed to exceed expectations.

Honored as New Hampshire’s 2023 SBA Micro‑Enterprise Business of the Year, our family‑run operation brings both craftsmanship and community dedication to every unique project we take on!