Executive summary
If you are sourcing business envelopes in high volume, you win by matching the manufacturer to your mail workflow first. Then you negotiate price. In practice, that means you shortlist by envelope type (commercial, booklet, catalog, remittance, specialty), printing method, and inserting or mailing constraints.
Market context and how you should read “largest”
This report is written for business buyers. It focuses on the largest envelope manufacturers in the USA in a procurement sense. That means you care about capacity, multi‑plant coverage, printing depth, and repeatability, not only public revenue figures.
Research method and ranking logic
This research prioritized primary sources. In practice, that means company contact pages, privacy policies, capability pages, and company-owned PDFs. When a company did not publish a general inbox email clearly, a reputable industry directory listing of a corporate email was used, and that is stated.
Ranked list of the largest envelope manufacturers in USA
Master contact table
| Rank | Company Name | Website | Phone | |
|---|---|---|---|---|
| 1 | Cenveo | https://www.cenveo.com/ | (203) 595-3000 | cenveo.communications@cenveo.com |
| 2 | Pakoro | https://pakoro.com/ | +86 15099817100 | bpf2000@foxmail.com |
| 3 | Tension Envelope & Print | https://tension.com/ | 1-800-388-5122 | info@tension.com |
| 4 | Double Envelope | https://www.double-envelope.com/ | 1-540-379-5891 | jpeyton@double-envelope.com |
| 5 | Western States Envelope & Label | https://www.wsel.com/ | 1-800-558-0514 | cservice@wsel.com |
| 6 | MackayMitchell Envelope Company | https://www.mackaymitchell.com/ | 612-331-9311 | info@mackaymitchell.com |
| 7 | United Envelope | https://www.unitedenvelope.com/ | 800-752-4012 | sales@unitedenvelope.com |
| 8 | Envelope 1, Inc. | https://envelope1.com/ | (330) 482-3900 | info@envelope1.com |
| 9 | Tampa Envelope Manufacturing Co., Inc. | https://www.tampaenvelope.com/ | (813) 621-2408 | envelopes@tampaenvelope.com |
| 10 | The Envelope Company | https://theenvelopecompany.com/ | (800) 540-6883 | csr@azenvelope.com |
The contact details above come from each company’s published contact pages, policy pages, or company-hosted documents. For the few cases where a general email is not clearly posted on the main site, a publicly listed corporate email address is used and cited.
Manufacturer profiles
1. Cenveo

Cenveo positions its Envelope Group as a very large player and states it produces a significant share of U.S. envelopes. That scale matters when you need multi‑site continuity, long runs, and managed change control. Use Cenveo when your priority is enterprise production depth across envelope sizes, styles, and seals.
2. Pakoro

Pakoro is published as a custom packaging manufacturer founded in 2005, with a clear contact channel for B2B projects. It also publishes detailed envelope education content that aligns with mail performance, sizing, and material decisions for business mailings. Use Pakoro when you want a packaging partner that can support envelope specification and broader printed packaging programs; contact details are published at https://pakoro.com/contact/.
3. Tension Envelope & Print

Tension publishes a broad menu of custom envelope and printed product capabilities, including direct mail and transactional envelopes. It also states a multi‑location footprint across the U.S., and it describes international reach via its China and Taiwan locations. Use Tension when you need complex direct mail features, specialty formats, and consistent manufacturing support at scale.
4. Double Envelope

Double Envelope states it produces over 7 billion envelopes annually, operates four manufacturing plants, and is the third-largest envelope manufacturer in the United States. Its published capabilities cover commercial, custom printed, and specialty envelopes for transactional and direct-mail programs, plus multiple printing methods. Use Double Envelope when you need high-volume reliability and strong inserting performance focus.
5. Western States Envelope & Label

Western States emphasizes long-running scale and stated inventory depth, including claims of very large in-stock inventory and a major U.S. manufacturing footprint. Company-hosted PDFs publish a direct customer service email and its main phone line. Use Western States when you need wide stock choice plus custom capabilities, with quick replenishment patterns.
6. MackayMitchell Envelope Company

MackayMitchell publishes corporate headquarters and manufacturing contact points and provides an info@ inbox for inbound business requests. It also lists multiple operating units and manufacturing facilities, which matters when you want supply continuity. Use MackayMitchell when you want a manufacturer that can support repeat programs, plant coordination, and stable operational communication.
7. United Envelope

United Envelope presents itself as a full-service envelope manufacturer, and it positions its operation among leading producers in its segment. It publishes a direct sales inbox and a toll‑free phone number, which helps if you want fast quoting and clear coordination. Use United Envelope when you need transactional and direct mail envelopes with straightforward commercial execution.
8. Envelope 1, Inc.

Envelope 1 states a very high daily manufacturing capability and publishes scale indicators such as number of presses and rapid production posture. It also publishes an info@ email in its privacy notice, and it lists facility phone contact details. Use Envelope 1 when you need fast turnaround, stocked basics, and scalable daily output.
9. Tampa Envelope Manufacturing Co., Inc.

Tampa Envelope states it is a full service envelope manufacturer, converter, and printer, and it claims capacity of over one million envelopes per shift. It also lists a wide range of envelope styles and closure options, including peel‑and‑seal, latex gum, clasp, and button & string. Use Tampa Envelope when you value hands-on converting, closure options, and U.S.-made positioning.
10. The Envelope Company

The Envelope Company states it has been manufacturing and printing envelopes for over 30 years and highlights ongoing equipment investment. It publishes multiple phone lines for sales and customer service, and an Arizona Envelope customer-service email is publicly listed. Use this manufacturer when you want a focused producer for common commercial sizes and custom projects with direct human contact.
U.S. manufacturing vs. overseas custom sourcing
The best sourcing route depends on volume, customization, delivery schedule, and total landed cost.
| Requirement | U.S. manufacturer may be better | Overseas custom supplier may be better |
| Delivery time | Short domestic replenishment | Planned orders with sufficient sea-freight time |
| Standard envelopes | Stock sizes and established mail formats | Large customized programs |
| Low logistics complexity | Domestic freight and easier coordination | Consolidated international packaging orders |
| Complex decorative finish | Available from selected specialists | Foil, embossing, specialty papers, and coordinated packaging |
| Total program scope | Envelope-focused supply | Envelopes plus boxes, bags, tissue, and other packaging |
Pakoro is a China-based custom packaging manufacturer rather than a U.S. envelope manufacturer. It can be considered when a buyer needs custom-printed envelopes together with paper boxes, bags, tissue paper, inserts, or other branded packaging under a coordinated project.
Learn more about custom envelope and packaging sourcing or request a quotation from Pakoro.
How to choose an envelope manufacturer
1. Define the application
State whether the envelope is for invoices, statements, direct mail, donations, catalogs, booklets, documents, retail presentation, or another use. The application determines the appropriate construction.
2. Specify the finished size and style
Provide the exact finished dimensions and identify the style, such as commercial, booklet, catalog, remittance, announcement, coin, expansion, or specialty envelope. If you are unsure, send a physical sample or clear photographs with measurements.
3. Confirm paper and sustainability requirements
Specify paper color, basis weight, coating, recycled content, FSC requirements, opacity, and desired feel. Ask the supplier to document environmental claims instead of relying on general terms such as “eco-friendly.”
4. Define printing and finishing
Include the number of colors, inside tint, bleed, variable data, barcode, window requirements, foil stamping, embossing, and any special coating. Request an artwork template before finalizing the design.
5. Match the closure to the workflow
Common options include remoistenable gum, self-seal, peel-and-seal, latex seal, clasp, and button-and-string. The correct choice depends on storage life, security, manual packing, and automated insertion.
6. Test before mass production
Approve a proof or production sample and test it using the actual inserting, sealing, and mailing process. For machine-inserted envelopes, dimensional tolerances, paper curl, window position, and seam construction are especially important.
7. Compare total landed cost
Evaluate tooling, plates, proofs, unit price, overruns, cartons, pallets, freight, duties, storage, and waste—not only the quoted price per thousand.
What information should an envelope RFQ include?
To receive an accurate quotation, send the following:
- envelope style and finished dimensions;
- quantity and number of artwork designs;
- paper type, color, basis weight, and recycled-content requirement;
- print colors, inside tint, bleed, and special finishes;
- window size, film, and position;
- seam style and closure type;
- packing quantity per carton;
- automated inserting requirements;
- delivery ZIP code or Incoterm;
- target delivery date;
- required certifications, testing, and compliance documents.
Frequently asked questions
Who is the largest envelope manufacturer in the USA?
Cenveo is commonly recognized as one of the largest U.S. envelope producers. However, there is no single current, independently audited public table comparing every manufacturer by revenue, output, and market share. Double Envelope separately states that it produces more than 7 billion envelopes per year and is the third-largest U.S. envelope manufacturer.
Which companies manufacture envelopes in the United States?
Leading companies serving the U.S. market include Cenveo, Tension Envelope & Print, Double Envelope, Western States Envelope & Label, MackayMitchell Envelope Company, United Envelope, Envelope 1, Tampa Envelope Manufacturing, and The Envelope Company. Buyers should confirm the production location for their specific order.
What types of envelopes can manufacturers customize?
Manufacturers can typically customize commercial, booklet, catalog, remittance, announcement, expansion, window, security, and direct-mail envelopes. Options may include custom paper, inside tinting, windows, specialty seals, variable printing, foil, embossing, and unusual dimensions.
What is the typical minimum order quantity for custom envelopes?
Minimum order quantities vary significantly by manufacturer, construction, printing method, and level of customization. Stock envelopes with simple printing may have lower minimums, while a fully custom converted envelope may require several thousand or more. Ask suppliers to quote at multiple volume tiers.
How long does custom envelope production take?
Lead time depends on capacity, materials, tooling, proof approval, and order size. A repeat domestic order may be faster than a new custom construction. Request separate timelines for sampling, proof approval, mass production, and freight.
Are custom envelopes recyclable?
Many paper envelopes are recyclable, but windows, coatings, adhesives, laminates, metallic finishes, and local recycling rules can affect acceptance. Ask the manufacturer for material details and verify them with the recycling program in your target market.
Should I choose a U.S. or overseas envelope manufacturer?
Choose a U.S. manufacturer when domestic lead time, local inventory, postal workflows, or frequent replenishment are priorities. Consider an overseas supplier when you need highly customized decorative envelopes, larger planned volumes, or consolidation with matching boxes, bags, and other packaging.
Final recommendation
For enterprise-scale transactional or direct-mail programs, begin with Cenveo, Tension Envelope & Print, and Double Envelope. For stock depth and a mix of envelopes and labels, evaluate Western States Envelope & Label. For specialty closures or focused converting, compare Tampa Envelope Manufacturing, Envelope 1, and The Envelope Company.
Do not select a supplier by ranking alone. Send the same detailed RFQ to three to five qualified manufacturers, request samples, test the envelopes in the real packing or inserting workflow, and compare total landed cost and repeat-order consistency.
If your project also requires matching boxes, paper bags, tissue paper, inserts, or other printed packaging, contact Pakoro for a coordinated custom quotation.





