14 companies in this supply chain, sorted by market share.
Dominant US EPDM and single-ply commercial roofing membrane producer; division of Carlisle Companies (NYSE: CSL). Estimates place CarlisleSynTec at ~45% of the US EPDM roofing membrane market. Manufactures EPDM, TPO, and PVC membranes; Carlisle, PA plant is the primary fabrication site.
Supplies these inputs
EPDM Rubber Membrane
Replaceability
Substitutability 35% · 6 mo to replace
Business segments
- EPDM Commercial Roofing Membranes55% rev
- TPO Thermoplastic Roofing30% rev
- PVC & Other Commercial Roofing15% rev
#2 US roofing shingle manufacturer; also world's largest fiberglass insulation maker; produces fiberglass mat for own shingles and sells to competitors; NYSE: OC
Supplies these inputs
Oxidized Asphalt / Bitumen · Fiberglass Scrim Mat (Shingle Substrate)
Replaceability
Substitutability 30% · 6 mo to replace
Business segments
- Roofing (Shingles & Accessories)35% rev
- Insulation35% rev
- Composites20% rev
- Other Building Products10% rev
Major fiberglass mat, insulation, and roofing products manufacturer; owned by Berkshire Hathaway; produces fiberglass scrim mat for asphalt shingles; Denver CO headquarters
Supplies these inputs
EPDM Rubber Membrane · Fiberglass Scrim Mat (Shingle Substrate)
Replaceability
Substitutability 30% · 8 mo to replace
Business segments
- Fiberglass Mat & Scrim30% rev
- Insulation35% rev
- Commercial Roofing20% rev
- Building Products15% rev
Leading US roofing granule mining and processing company; 100+ year history; 700 employees; supplies granules for 2.5M+ North American homes annually. Mines limestone and other minerals, applies ceramic coatings, and distributes to shingle manufacturers including GAF, Owens Corning, and CertainTeed. Owns PVL limestone operation.
Supplies these inputs
Ceramic-Coated Mineral Granules
Replaceability
Substitutability 40% · 6 mo to replace
Business segments
- Roofing Granules (Ceramic-Coated)75% rev
- Building Aggregates15% rev
- Agricultural Minerals10% rev
Largest specialty asphalt/bitumen producer in the US for roofing applications. Operates three roofing-focused refineries: Princeton, LA (primary roofing flux); Shreveport, LA; Great Falls, MT. Princeton refinery specializes in roofing flux and coating asphalt for shingle manufacturing. Key supplier to GAF, Owens Corning, CertainTeed and other shingle makers.
Supplies these inputs
Oxidized Asphalt / Bitumen
Replaceability
Substitutability 35% · 6 mo to replace
Business segments
- Roofing Flux & Oxidized Asphalt45% rev
- Specialty Fuels & Lubricants30% rev
- Sustainable Aviation Fuel (Great Falls MT)15% rev
- Specialty Bitumen Products10% rev
3M Company (Maplewood MN; NYSE: MMM; ~$23B revenue after Health Care spinoff; ~$35B before) is the dominant US manufacturer of N95 respirators and is vertically integrated into meltblown polypropylene nonwoven production. 3M manufactures its own electret (electrostatically charged) meltblown filtration media at its Arden Hills, MN facility — a rare example of vertical integration in nonwovens. 3M's N95 respirators (1860, 8210, 8110S) use proprietary Filtrete electret media. During COVID-19, 3M doubled N95 production to ~2 billion respirators/year (from ~1B) but could not scale meltblown capacity fast enough to meet demand — the Arden Hills facility was the binding constraint. 3M also sells Filtrete HVAC filter media (MERV 11-13) made from the same meltblown technology, generating ~$700M/year in home filtration revenue alongside its respirator business.
Supplies these inputs
Ceramic-Coated Mineral Granules
Replaceability
Substitutability 35% · 12 mo to replace
Business segments
- Safety & Industrial35% rev
- Transportation & Electronics28% rev
- Consumer22% rev
- Health Care (partial, Solventum spin-off 2024)15% rev
Second-largest US EPDM roofing membrane producer; subsidiary of Bridgestone Americas (and ultimately Bridgestone Corporation, Japan). Markets UltraPly TPO and EPDM membranes; Carmel IN is primary US operations hub. Leverages Bridgestone's rubber polymer expertise from automotive rubber to commercial roofing.
Supplies these inputs
EPDM Rubber Membrane
Replaceability
Substitutability 35% · 6 mo to replace
Business segments
- EPDM Commercial Roofing Membranes45% rev
- TPO & PVC Single-Ply40% rev
- Green & Specialty Roofing15% rev
Major producer of mineral granules for roofing applications; competes with 3M in ceramic-coated roofing granules; also produces specialty minerals, talc, and precipitated calcium carbonate
Supplies these inputs
Ceramic-Coated Mineral Granules
Replaceability
Substitutability 40% · 6 mo to replace
Major US independent refiner (NYSE: MPC, HQ Findlay OH). Gulf Coast facilities: Galveston Bay TX (585,000 bpd — one of the largest US refineries) and Garyville LA (596,000 bpd — one of the largest US refineries by throughput). Marathon's two Gulf Coast refineries together represent more than 1.1 million bpd of capacity — a scale that makes Marathon a critical feedstock buyer from the Permian Basin, offshore Gulf of Mexico, and pipeline imports. MPLX LP (Marathon's MLP) operates crude and product pipelines feeding its refinery network.
Supplies these inputs
Oxidized Asphalt / Bitumen
Replaceability
Substitutability 35% · 6 mo to replace
Business segments
- Gulf Coast Refining (Garyville + Galveston Bay — 1.18M bpd)70% rev
- Asphalt Production (Roads — Same Refinery Stream)8% rev
- MPLX LP (Midstream Pipelines)18% rev
- Retail & Speedway (Historical)4% rev
Largest US roofing manufacturer; ~33% US asphalt shingle market share; subsidiary of Standard Industries (Koch network); also makes TPO/EPDM commercial membranes
Supplies these inputs
Oxidized Asphalt / Bitumen · Fiberglass Scrim Mat (Shingle Substrate)
Replaceability
Substitutability 30% · 6 mo to replace
Business segments
- Residential Asphalt Shingles60% rev
- Commercial Roofing Membranes25% rev
- Roofing Accessories & Systems10% rev
- Synthetic Roofing5% rev
Canada's largest integrated energy company; one of the world's largest oil sands operators. Produces 800,000+ MT/year of marketable elemental sulfur as a mandatory byproduct of oil sands bitumen upgrading. Canada's oil sands bitumen contains ~5% sulfur by weight — at 3.7M barrels/day of extraction, Alberta oil sands theoretically contain 8.3M MT sulfur/year (though only ~3M MT/year is captured and marketed). Suncor ships formed sulfur via rail to Port of Vancouver, B.C. for export to China, South Africa, and Australia. Suncor is also Canada's largest fuel retailer (Petro-Canada brand).
Supplies these inputs
Oxidized Asphalt / Bitumen
Replaceability
Substitutability 35% · 4 mo to replace
Business segments
- Oil Sands Mining & Upgrading (Athabasca)55% rev
- Downstream Refining20% rev
- Fuel Retail (Petro-Canada)15% rev
- Sulfur & Byproducts10% rev
US roofing granule producer using coal and iron silicate slag (industrial byproduct from power generation and smelting) as the mineral base. Slag-based granules are cost-competitive with mined limestone granules and recycle an industrial waste stream.
Supplies these inputs
Ceramic-Coated Mineral Granules
Replaceability
Substitutability 45% · 4 mo to replace
Business segments
- Slag-Based Roofing Granules55% rev
- Industrial Abrasives (Blasting Media)35% rev
- Other Mineral Products10% rev
Arlanxeo (Singapore; 100% owned by Saudi Aramco since 2018; formerly Lanxess/Saudi Aramco 50/50 JV formed 2016) is a major synthetic rubber producer with EPDM, butyl rubber, nitrile rubber (NBR), and solution styrene-butadiene rubber (S-SBR) product lines. Arlanxeo's EPDM is produced at Geleen, Netherlands (Keltan grades retained under the Lanxess brand after the JV split) and at Triunfo, Brazil. As a Saudi Aramco subsidiary, Arlanxeo has direct access to Saudi petrochemical feedstocks — propylene from Sadara Chemical Company JV (Jubail, Saudi Arabia). Arlanxeo operates manufacturing in Netherlands, Germany, Brazil, Canada, and Belgium. The Saudi Aramco parentage introduces geopolitical considerations: an Aramco-owned company controls EPDM capacity in Europe that supplies automotive and construction supply chains globally.
Supplies these inputs
EPDM Rubber Membrane
Replaceability
Substitutability 30% · 12 mo to replace
Business segments
- EPDM (Ethylene Propylene Diene Monomer)40% rev
- Solution SBR (S-SBR)25% rev
- Butyl & Halobutyl Rubber20% rev
- Nitrile Rubber (NBR)15% rev
US roofing, insulation, and building products subsidiary of France's Saint-Gobain; #3 asphalt shingle manufacturer; also major gypsum wallboard and cement board producer
Supplies these inputs
Fiberglass Scrim Mat (Shingle Substrate)
Replaceability
Substitutability 30% · 18 mo to replace
Business segments
- Roofing (Shingles & Accessories)30% rev
- Insulation25% rev
- Gypsum Wallboard & Ceilings20% rev
- Exterior Siding & Trim15% rev
