Commercial Contractors
Roof flashings, sheet lead, and plumbing components for job sites nationwide.
ISO 9001 Certified · U.S. ManufacturerAmerica's leader in
America's leader in
lead manufacturing
The largest, most diversified manufacturer of lead-based products in the United States. From small radiation shielding jobs to large ballast projects, we deliver engineering support and design consultation across casting, rolling, machining, extruding, and coating.
In-House Capabilities
Five processes. One vertically integrated facility.
Made in USA
From raw ingot to finished, coated part — every step is controlled under one ISO 9001 quality system, right here in the U.S.A.
01
CastingPouring molten lead into molds to form raw shapes.
02
RollingCompressing lead into sheet and plate stock.
03
MachiningPrecision cutting, drilling, and milling to spec.
04
ExtrudingForming continuous profiles, wire, and shapes.
05
CoatingPolymer and protective coatings applied to lead.
What We Make
Five product categories. One trusted source.
Five core product lines serving industries from construction to defense, backed by engineering support and design consultation.
Made in USARoofing & Plumbing
Flashings, sheet lead, solder, and plumbing components for commercial construction.
- Auto Caulk Flashings
- Lead Bends & Lead Stubs
- Lead Ingots
- Roof Flashings
- Lead Wool & Wedges
Made in USARadiation Shielding
Shielding solutions for medical, industrial, and nuclear applications.
- Interlocking Lead Bricks & Caves
- Lead Angles
- Lead-Lined Gypsum Board
- Lead-Lined Plywood
- Lead Sheet & Plate
Made in USALead Ballast Weights
Cast and machined ballast weights for marine and industrial use.
- Bridge Weights
- Custom-Poured Lead Ballast
- Shot Ballast
- Stock Lead Ballast
Made in USAAmmunition
Lead shot and components for manufacturers and reloaders.
- Bullet Alloys
- Bullet Wire
- Lead Billets for Extrusion
- Lead Shot
Made in USASpecialty Products
Custom extrusions, coatings, and engineered lead products.
- Acoustical Lead
- Alloys & Babbitt
- Anodes & Gaskets
- Machined Parts
Need something custom?
Our engineering team supports custom lead products and design consultation for projects of any scale.
Contact UsAbout Mayco
Engineering-led manufacturing since the start
Mayco Industries is the largest, most diversified manufacturer of lead-based products in the United States. With three manufacturing plants plus a national distribution network, we serve projects ranging from small radiation shielding jobs to large ballast projects.
Made in USA
3
Mfg. Plants
5
Processes
6
Locations
ISO
9001:2025
U.S.A. Manufacturing
Three plants · National distribution · 100% U.S.-produced material
Who We Serve
Industries we support
From commercial contractors to aerospace and defense, Mayco supplies lead products across a broad range of demanding industries.
OEMs
Custom cast, rolled, and machined lead parts built to your specifications.
Healthcare / Radiology
Shielding for treatment rooms, vaults, and diagnostic imaging suites.
Energy
Ballast and shielding for power generation and transmission projects.
Marine
Cast and machined lead ballast weights for vessels and offshore structures.
Aerospace / Defense
High-purity lead and alloys for demanding defense applications.
Roofing
Pre-formed flashings, sheet lead, and coated products for roofing contractors.
Sporting / Reloading
Lawrence Brand lead shot and wire for ammunition and reloading.
Our Brands
Trusted names in lead
A family of dedicated brands serving competitive shooting, reloading, and specialized lead fabrication nationwide.
Independent Brand Portals
01
Precision Lead Shot & Cast Tri-Bar
Lawrence Brand Shot
The Shot of Champions · Est. 1879
Dropped from historic towers for unmatched roundness, tight patterns, and maximum density.
Tower-dropped precision shot
lawrencebrandshot.comVisit Site
02
Competition Magnum Shot
West Coast Magnum Shot
High-Antimony Magnum Lead Shot
High-performance magnum shot engineered for premier trap, skeet, and sporting clay competitors.
High-antimony competition shot
westcoastshot.comVisit Site
03
Fabrication, Sheet & Flashings
Santa Rosa Lead
West Coast Lead Manufacturing & Supply
Full-service lead fabrication, roofing flashings, custom radiation shielding, and sheet lead.
Custom lead fabrication
santarosalead.comVisit Site
Each brand operates its own dedicated portal with full product catalogs, technical resources, and ordering information.
View All BrandsNationwide Reach
Plants & distribution
Three manufacturing plants plus a national distribution network keep Mayco products moving across the country.
ISO 9001:2025 Certified
ANAB Accredited Quality Management System
Quality assured at every facilityMade in USA
AL
Birmingham
HQ & Manufacturing
Facility
IL
Granite City
Manufacturing & Distribution
Facility
CA
Healdsburg
Santa Rosa Lead · Plant
Facility
CA
Ontario
Distribution Facility
Facility
FL
Orlando
Distribution Center
Facility
NJ
East Brunswick
Distribution Center
Facility
Testimonials
What our customers say
★★★★★
"Tammy in customer service is the BEST! Always cheerful and so helpful!"
Delaen Johnson
Satisfied Customer
★★★★★
"Great customer service at Mayco Industries. I sent an email requesting a quote and was able to purchase immediately. Mayco's reps are great to work with and I will be doing business with them."
Chandler Pease
Satisfied Customer
★★★★★
"Great company producing great products. The people there are easy to work with and are quick to respond."
Jason Kozin
Satisfied Customer
★★★★★
"Great place to deliver to. Easy in and out, friendly people, was unloaded and out in about an hour and that includes removing the tarp and unstrapping the load."
Dwight Grantham
Satisfied Customer
FAQs
Frequently asked questions
Mayco manufactures and distributes lead and lead-based products, including sheet, bricks, pipe, anodes, solder, roof flashings, ballast weights, custom shielding, and Lawrence Brand lead shot.
Made in USA
Ready to start your project?
Contact us about your lead product needs — from radiation shielding to large ballast projects. Proudly manufactured in the U.S.A.
Get in Touch
Mayco General Contact
Tell us about your project and our sales and engineering team will get back to you.