APT supply chain intelligence for Alpha Pro Tech, Ltd.: verified suppliers, customers, debt relationships, acquisitions, and ownership data.
Data compiled by Redley Lamar · ChainSifter Intelligence
Alpha Pro Tech, Ltd. (APT) is shown with relationship data already present in ChainSifter's database. Counts below come from stored supply-chain records and filing/source URLs where available; missing source URLs are not filled in or estimated.
| Ticker | Name | Confidence | Evidence |
|---|---|---|---|
| HARMONY | HARMONY | 90% | The Building Supply segment buys semi-finished housewrap and synthetic roof underlayment from its joint venture, Harmony, located in India. |
| HARMONY-PLASTICS-PRIVATE-LIMITED | HARMONY-PLASTICS-PRIVATE-LIMITED | 90% | Under the terms of the joint venture agreement, a private company, Harmony Plastics Private Limited (“Harmony”), was created with ownership interests of 41.7 % owned by Alpha ProTech Engineered Produ… |
| MAPLE-INDUSTRIES-AND-ASSOCIATES | MAPLE-INDUSTRIES-AND-ASSOCIATES | 90% | In 2005, Alpha ProTech Engineered Products, Inc. (a subsidiary of Alpha Pro Tech, Ltd.) entered into a joint venture with a manufacturer in India, Maple Industries and associates, for the production … |
| LEARNING-RESOURCES-INC | LEARNING-RESOURCES-INC | 80% | On February 20, 2026, the U.S. Supreme Court ruled in Learning Resources, Inc. v. Trump that the President lacks authority under the International Emergency Economic Powers Act (IEEPA) to impose tariffs. |
| PHGE | BiomX Inc. | 80% | Reciprocal relationship from PHGE graph: cost-reimbursement government research and development contracts at APT, including the legacy contract with the Medical Technology Enterprise Consortium with … |
| U-S-CUSTOMS-AND-BORDER-PROTECTION-CBP | U-S-CUSTOMS-AND-BORDER-PROTECTION-CBP | 80% | The Company paid tariffs in 2025 under IEEPA and has filed for refunds of these tariffs, but the ultimate receipt and timing of such refunds remain subject to review by U.S. Customs and Border Protec… |
| CAH | Cardinal Health, Inc. | 72% | Reciprocal relationship from CAH graph: Reciprocal relationship from APT graph: We manufacture, cut, warehouse and ship disposable protective apparel products and face shields in a 137,500 square foo… |
| CAH | Cardinal Health, Inc. | 72% | We manufacture, cut, warehouse and ship disposable protective apparel products and face shields in a 137,500 square foot facility in Nogales, Arizona. The majority of the apparel products are manufac… |
| JNJ | Johnson & Johnson | 72% | Reciprocal relationship from JNJ graph: Reciprocal relationship from APT graph: We manufacture, cut, warehouse and ship disposable protective apparel products and face shields in a 137,500 square foo… |
| JNJ | Johnson & Johnson | 72% | We manufacture, cut, warehouse and ship disposable protective apparel products and face shields in a 137,500 square foot facility in Nogales, Arizona. The majority of the apparel products are manufac… |
| KMB | Kimberly-Clark Corporation | 72% | Reciprocal relationship from KMB graph: Reciprocal relationship from APT graph: We manufacture, cut, warehouse and ship disposable protective apparel products and face shields in a 137,500 square foo… |
| KMB | Kimberly-Clark Corporation | 72% | We manufacture, cut, warehouse and ship disposable protective apparel products and face shields in a 137,500 square foot facility in Nogales, Arizona. The majority of the apparel products are manufac… |
| OC | Owens Corning | 72% | We manufacture, cut, warehouse and ship disposable protective apparel products and face shields in a 137,500 square foot facility in Nogales, Arizona. The majority of the apparel products are manufac… |
| OC | Owens Corning | 72% | Reciprocal relationship from OC graph: Reciprocal relationship from APT graph: We manufacture, cut, warehouse and ship disposable protective apparel products and face shields in a 137,500 square foot… |
| Ticker | Name | Confidence | Evidence |
|---|---|---|---|
| CAH | Cardinal Health, Inc. | 85% | Reciprocal relationship from CAH graph: Reciprocal relationship from APT graph: Reciprocal relationship from CAH graph: Reciprocal relationship from APT graph: Reciprocal relationship from CAH graph:… |
| CAH | Cardinal Health, Inc. | 85% | Owens Corning and GAF for synthetic roof underlayment. Our major competitor in the medical and dental markets is Kimberly-Clark Corporation of Fort Worth, Texas. Other large competitors include 3M Co… |
| MED | Medifast, Inc. | 85% | Reciprocal relationship from MED graph: Reciprocal relationship from APT graph: Owens Corning and GAF for synthetic roof underlayment. Our major competitor in the medical and dental markets is Kimber… |
| MEDLINE-INDUSTRIES-INC | MEDLINE-INDUSTRIES-INC | 85% | Owens Corning and GAF for synthetic roof underlayment. Our major competitor in the medical and dental markets is Kimberly-Clark Corporation of Fort Worth, Texas. Other large competitors include 3M Co… |
| VWR-INTERNATIONAL-LLC-KIMBERLY-CLARK-CORPORATION | VWR-INTERNATIONAL-LLC-KIMBERLY-CLARK-CORPORATION | 85% | Owens Corning and GAF for synthetic roof underlayment. Our major competitor in the medical and dental markets is Kimberly-Clark Corporation of Fort Worth, Texas. Other large competitors include 3M Co… |
| STXS | Stereotaxis, Inc. | 80% | Reciprocal relationship from STXS graph: Reciprocal relationship from APT graph: Reciprocal relationship from STXS graph: Reciprocal relationship from APT graph: Reciprocal relationship from STXS gra… |
| JNJ | Johnson & Johnson | 72% | Reciprocal relationship from JNJ graph: Reciprocal relationship from APT graph: Reciprocal relationship from JNJ graph: Reciprocal relationship from APT graph: Owens Corning and GAF for synthetic roo… |
| JNJ | Johnson & Johnson | 72% | Owens Corning and GAF for synthetic roof underlayment. Our major competitor in the medical and dental markets is Kimberly-Clark Corporation of Fort Worth, Texas. Other large competitors include 3M Co… |
| KMB | Kimberly-Clark Corporation | 72% | Owens Corning and GAF for synthetic roof underlayment. Our major competitor in the medical and dental markets is Kimberly-Clark Corporation of Fort Worth, Texas. Other large competitors include 3M Co… |
| KMB | Kimberly-Clark Corporation | 72% | Reciprocal relationship from KMB graph: Reciprocal relationship from APT graph: Reciprocal relationship from KMB graph: Reciprocal relationship from APT graph: Reciprocal relationship from KMB graph:… |
| OC | Owens Corning | 72% | Reciprocal relationship from OC graph: Reciprocal relationship from APT graph: Owens Corning and GAF for synthetic roof underlayment. Our major competitor in the medical and dental markets is Kimberl… |
| OC | Owens Corning | 72% | Owens Corning and GAF for synthetic roof underlayment. Our major competitor in the medical and dental markets is Kimberly-Clark Corporation of Fort Worth, Texas. Other large competitors include 3M Co… |
| HARMONY-PLASTICS-PRIVATE-LIMITED | HARMONY-PLASTICS-PRIVATE-LIMITED | 62% | g the impact of this pronouncement on its related disclosures. In July 2025, the FASB issued ASU 2025-05, Financial Instruments—Credit Losses (“Topic 326”): Measurement of Credit Losses for Accounts … |
| LEARNING-RESOURCES-INC | LEARNING-RESOURCES-INC | 62% | ed principally in the United States through a network consisting of purchasing groups, national distributors, local distributors, independent sales representatives and our own sales and marketing for… |
| SPECIAL-NOTE-REGARDING-SMALLER-REPORTING-COMPANY | SPECIAL-NOTE-REGARDING-SMALLER-REPORTING-COMPANY | 62% | could negatively impact the results of our operations. ● Our industry is highly competitive, which may negatively affect our ability to grow our customer base and generate sales. ● The Company’s resu… |
| Instrument | Description | Confidence | Evidence |
|---|---|---|---|
| APT-DEBT | Debt stack $7.6M | 90% | Market cache reports total debt of $7.6M. |
| Holder | Name | Confidence | Evidence |
|---|---|---|---|
| APT-OWNER-VANGUARD-CAPITAL-MANAGEMENT-LLC | VANGUARD CAPITAL MANAGEMENT LLC | 90% | 13F overlay lists VANGUARD CAPITAL MANAGEMENT LLC as top holder; 37 tracked holders. |
| Ticker | Name | Chain Index | Hops | Relationship Types |
|---|---|---|---|---|
| ALC | Alcon Inc. | 100.00 | 2 | |
| CAH | Cardinal Health, Inc. | 100.00 | 1 | ['customer', 'supplier'] |
| CHRS | Coherus Oncology, Inc. | 100.00 | 2 | |
| SNNUF | Smith & Nephew plc | 100.00 | 2 | |
| ATRA | Atara Biotherapeutics, Inc. | 100.00 | 2 | |
| ADGM | Adagio Medical Holdings, Inc. | 100.00 | 2 | |
| CSTE | Caesarstone Ltd. | 100.00 | 2 | |
| AVBP | ArriVent BioPharma, Inc. | 100.00 | 2 | |
| CVS | CVS Health Corporation | 100.00 | 2 | |
| CYTOF | Altamira Therapeutics Ltd. | 100.00 | 2 | |
| ANIK | Anika Therapeutics, Inc. | 100.00 | 2 | |
| CAPS | Capstone Holding Corp. | 100.00 | 2 | |
| CLGN | CollPlant Biotechnologies Ltd. | 100.00 | 2 | |
| BCAX | Bicara Therapeutics Inc. | 100.00 | 2 | |
| AORT | Artivion, Inc. | 100.00 | 2 | |
| BLLN | BillionToOne, Inc. | 100.00 | 2 | |
| BNR | Burning Rock Biotech Limited | 100.00 | 2 | |
| BNRG | Brenmiller Energy Ltd | 100.00 | 2 | |
| EMMA | Emmaus Life Sciences, Inc. | 100.00 | 2 | |
| ABBV | AbbVie Inc. | 100.00 | 2 |