Glenroy
Glenroy is a flexible packaging manufacturer based in Menomonee Falls, Wisconsin, focused exclusively on flexible packaging since 1965. The company specializes in high-barrier laminations and stand-up pouches for the nutraceutical industry. Glenroy's supplement packaging portfolio includes single-dose stick packs, sachets, lay-flat pouches, and stand-up pouches with resealable zippers. Formats ideal for powdered vitamins, amino acid blends, protein powders, and effervescent drink mixes. All printing, laminating, and pouch converting is done in the US. Glenroy is a member of the Flexible Packaging Association (FPA). Their materials meet FDA food-contact requirements and cGMP standards. On-site packaging engineers provide technical guidance on material selection, barrier optimization, and filling-line compatibility.
Menomonee Falls, Wisconsin
Directory Listing · Records Reviewed
Public records and independent sources have been reviewed.
What this means →- MOQMOQ (Minimum Order Quantity)The smallest production run a manufacturer will accept for an order.
- Not publicly disclosed
- LEAD TIMELead TimeThe time from order placement to finished product delivery.
- Not publicly disclosed
§1Editorial assessment
Glenroy is a flexible packaging manufacturer based in Menomonee Falls, Wisconsin, focused exclusively on flexible packaging since 1965. The company specializes in high-barrier laminations and stand-up pouches for the nutraceutical industry. Glenroy's supplement packaging portfolio includes single-dose stick packs, sachets, lay-flat pouches, and stand-up pouches with resealable zippers. Formats ideal for powdered vitamins, amino acid blends, protein powders, and effervescent drink mixes. All printing, laminating, and pouch converting is done in the US. Glenroy is a member of the Flexible Packaging Association (FPA). Their materials meet FDA food-contact requirements and cGMP standards. On-site packaging engineers provide technical guidance on material selection, barrier optimization, and filling-line compatibility.
§2Six-gate readout
Six gates we apply before any name appears in the directory. Each gate is auto-derived from public evidence on this profile.
§3Inspection history
§4Certifications
0 of 1 certification independently confirmed. What this means
§5Capability matrix
- PRODUCT TYPES
- Stand-Up Pouches · Stick Packs · Sachets · Lay-Flat Pouches · Rollstock Film
- CAPABILITIES
- Flexible Packaging Specialist (Since 1965) · High-Barrier Laminations · Single-Dose Stick Packs and Sachets · Stand-Up Pouches with Resealable Zippers · All US Manufacturing · On-Site Packaging Engineers · FPA (Flexible Packaging Association) Member
§6Sources
- Glenroy - Nutraceutical Packaging(2026-03-26)
- Glenroy - Flexible Packaging Overview(2026-03-26)
- FPA - Glenroy Member Profile(2026-03-26)
Dietary supplement manufacturers must comply with 21 CFR Part 111 (Current Good Manufacturing Practice for dietary supplements). This includes requirements for personnel, facilities, equipment, production, laboratory operations, and record-keeping.
What We Couldn't Verify
- On-site facility inspection was not conducted
- Flexible packaging only. Does not fill bottles, apply labels, or do contract packaging
- cGMP compliance is self-reported
- Does not do secondary packaging assembly (kitting, shrink wrapping)
Last reviewed: March 26, 2026
Disclosures
- No material connection exists between Inventory Ready and this company
For the gate-by-gate readout that produces this vendor's score, see our six-gate scoring readout. The connection map between Glenroy and other vendors, capabilities, and certifications is in the manufacturer atlas.
Our Evaluation Method
Every manufacturer assessment follows six principles:
- Evidence: Claims backed by documentation, not marketing copy
- Freshness: Information reviewed and dated within the last 12 months
- Provenance: Sources cited for every key claim
- Challenge: Inconsistencies flagged, not hidden
- Disclosure: Material connections stated directly on affected listings
- Abstention: When we can't assess, we say so explicitly
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