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Compare textile resources.
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| Decision field | Open accessASDP Sewing Professional DirectoryUnited States · North AmericaRemove | Open accessPattern Grading & Size-Run Validation RecordGlobalRemove | Free accountFOURSOURCE Supplier NetworkGlobalRemove |
|---|---|---|---|
| Decision fit | |||
| Primary job | Source production | Find patterns & fit | Source production |
| Also useful for | Find patterns & fit | No additional job recorded | No additional job recorded |
| Area | Production | Patterns & fit | Production |
| Best for | Finding a US sewing or patternmaking professional | Auditing inherited grade rules or controlling a new multi-size pattern release from approved targets through sample evidence | Searching global apparel and textile production capabilities |
| Know before using | This is a member referral directory, not a Stitch Authority roster or approval. The observed result count can change and is not a practitioner census. ASDP states that it makes no representations, warranties, or guarantees and assumes no responsibility for members' products or services. Membership, a code of ethics, a profile, a patternmaking category, or stated referral availability does not establish identity, credentials, experience, current availability, capacity, insurance, price, accessibility, workmanship, file compatibility, schedule, or project fit. Confirm those points, references, scope, samples, terms, and remedies directly. | The record does not create a production grade, supply universal increments or breakpoints, validate a CAD file or fit population, reproduce licensed standards, or replace qualified anthropometric, pattern, technical-design, fit, quality, accessibility, safety, statistical, and user-research review. | The company count is a changing platform claim. Search fields, profiles, certificates, locations, and account access do not independently verify the legal entity, factory ownership, capability, capacity, certificate validity or scope, compliance performance, delivery, or project fit. Confirm the site and subcontracting, credentials with issuers, samples, audits when appropriate, specifications, contracts, and commercial terms. |
| Practical access | |||
| For | Both | Apparel brands | Apparel brands |
| Location or jurisdiction | United States · North America | Global | Global |
| Access | Open access | Open access | Free account |
| Format | Directory | Stitch Authority | Marketplace |
| Source type | Industry organization | Stitch Authority | Commercial marketplace |
| Source and review | |||
| What the source establishes | ASDP's public directory searches members currently accepting referrals by location and professional specialty. At the July 26, 2026 check, its Patternmaking & Related Services filter returned 15 opted-in profiles with specialties, service-location text, profile or contact routes, and some remote-service notes. The page identifies the population as association members in good standing. | The guide cites current ISO body-table, size-designation, and garment-measurement boundaries plus two peer-reviewed studies that tested the relationship between conventional grade rules, anthropometric evidence, and garment fit; it requires product-specific target deltas and validation instead of publishing universal increments. | FOURSOURCE's current public network page presents an operator-reported global company count and country or territory search. It says logged-in users can narrow results by compliance certificates, product groups, fabric types, target groups, minimum order quantities, and other fields, with a free-trial and supplier sign-up route. |
| Linked page reviewed | Jul 26, 2026 | Jul 27, 2026 | Jul 21, 2026 |
| Next review due | Jan 22, 2027 | Jul 27, 2027 | Jan 17, 2027 |
| Inspect | |||
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