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Building materials generate most of Alpha Pro Tech, Ltd.’s sales. Its housewrap and synthetic roof underlayment are used on building and re-roofing sites, with construction-supply and roofing distributors among its customers. The other business supplies disposable protective products for cleanrooms, industrial workplaces and healthcare, with garments accounting for most of those sales rather than masks or face shields.
The company sells mainly in the United States through independent distributors, using both the Alpha Pro Tech brand and private labels. Sales depend heavily on a small group of large customers. Its largest customer supplies a substantial share of revenue, and these customers’ orders are not guaranteed by contract.
Production also depends on outside manufacturers. Its Indian joint venture, Harmony Plastics Private Limited, makes the vast majority of its disposable protective garments and supplies semi-finished housewrap and roof underlayment. Few manufacturers supply these building materials, and replacing a supplier could delay shipments. Import tariffs also affect the cost of its overseas supply chain.
The risk section is the longest, dullest part of the filing. This keeps only what can really hurt you: where it hits, how hard, when it plays out.
Every company claims an edge. Each one is checked against hard numbers like margins and returns: which hold, and which line gives way first.
Alpha Pro Tech also depends on Harmony Plastics, its Indian manufacturing joint venture supplying most disposable garments and semi-finished housewrap and roof underlayment, and on tariffs affecting those imports.
DuPont competes with Alpha Pro Tech for housewrap buyers in construction and protective-garment buyers in industrial and cleanroom settings, putting both Alpha Pro Tech segments in its path. Watch DuPont’s building products and protective garments rather than its broader healthcare and water businesses.
Owens Corning competes with Alpha Pro Tech in synthetic roof underlayment sold to building and roofing distributors for construction and re-roofing. That product accounted for approximately 38% of Alpha Pro Tech’s Building Supply sales in 2025, making Owens Corning’s roofing business the relevant area to watch.
Lakeland Industries Inc and Alpha Pro Tech compete for industrial safety buyers purchasing limited-use and disposable protective garments. Lakeland’s news on those garments is more relevant to Alpha Pro Tech than its firefighting apparel and related services.
Medline Inc. both sells medical protective products that compete with Alpha Pro Tech’s and distributes Alpha Pro Tech products to healthcare buyers alongside its own offerings. Its sales of third-party medical-surgical supplies are the channel to watch for Alpha Pro Tech, distinct from Medline’s own-brand business.
Cardinal Health is both a route to healthcare buyers for Alpha Pro Tech products and a seller of competing medical protective products. Watch its Global Medical Products and Distribution business, which sells its own and other brands’ medical supplies, rather than its pharmaceutical business.
DuPont de Nemours, Inc. earningsDD
DuPont’s report will show demand in building products and protective garments, markets where it competes with Alpha Pro Tech in both business segments.
Read DuPont’s building-products and protective-garment results or demand separately; its healthcare and water businesses do not answer this question. Strength in both would suggest firmer markets for Alpha Pro Tech’s competing products. Weakness in either could ease demand or competitive pressure on the corresponding line, but DuPont’s overall results do not establish Alpha Pro Tech’s sales.
Alpha Pro Tech, Ltd. earningsThis company
Alpha Pro Tech’s report will show whether growing protective-apparel sales are improving that business’s profit while Building Supply holds its sales base.
Read Disposable Protective Apparel sales alongside its segment net income, then compare both with Building Supply’s sales and segment net income. Apparel sales growth with recovering profit would show growth converting into earnings; growth without profit recovery would point to costs or product mix still weighing on the business. If Building Supply holds steady, it supports the other engine; if it weakens, overall growth depends more heavily on apparel.
Medline Inc. earningsMDLN
Medline Inc.’s report will show sales of third-party medical-surgical supplies, in a distribution channel that also carries Alpha Pro Tech products to healthcare buyers.
Focus on Medline’s sales of third-party medical-surgical supplies, not just its own-brand products. Growth would mean the channel is moving more outside brands and could provide a firmer route to healthcare buyers for Alpha Pro Tech; weakness would suggest less channel activity, but would not establish a change in Alpha Pro Tech shipments.
Owens Corning earningsOC
Owens Corning’s roofing business will show demand in synthetic roof underlayment, a product that made up about 38% of Alpha Pro Tech’s 2025 Building Supply sales.
Read Owens Corning’s roofing sales or demand, especially what it says about synthetic roof underlayment. Steady or stronger demand would support the market for this important Alpha Pro Tech product line; weakness would point to pressure on underlayment sales in Building Supply. Owens Corning’s roofing business is broader, so its overall results are not a direct measure of underlayment demand.
