Custom Kitting and Assembly Services
Crafting adaptable custom kitting solutions to bolster your sales and marketing efforts.
Elevate Your Brand with Custom Kitting & Assembly Services Designed to Create the Ultimate Unboxing Experience
From building kits to personalized direct mailing campaigns, we assist companies of all sizes with their assembly needs. Attention to detail and dedication on every single order is of the utmost importance. Our dedicated staff works tirelessly to ensure that every detail is handled appropriately.
We’ve developed precise policies and procedures to handle the complexities of custom assembly projects. We’ve also dedicated 10,000 square feet of our Chicago-based facility to handle these and other and customized mailing programs.
Custom Kit Assembly
In coordination with our proprietary web-based interface, we can accurately and efficiently assembly and distribute kits of all sizes and formats. Whether your kit functions as a simple sales booklet, or involves complex assembly with elegant wrapping, we’re able to accommodate your needs. With established processes paired with an experienced staff, we know you’ll be satisfied.
Rework Projects
Medical Kitting Services
Medical Device Packaging
Test Kit Kitting Services
Industries We Cater To
At Diamond Fulfillment Solutions, we support a wide range of industries with tailored, end-to-end fulfillment solutions. From regulated industries like healthcare and pharmaceuticals to fast-moving consumer goods, beauty, and promotional products, our adaptable services ensure your products reach customers with speed, accuracy, and care. Whether you’re launching a new brand, scaling operations, or improving your supply chain, we help you deliver a standout experience—every time.
Choose Diamond Fulfillment Solutions for Kitting and Fulfillment
Harnessing coast-to-coast distribution from our centralized kitting fulfillment centers near Chicago, our dynamic solutions ensure cost-effectiveness alongside guaranteed accuracy and efficiency.

Just-In-Time Kitting Services
Efficient Pre-Kitting Services Whether you need 100 kits or 1 million, our just-in-time kitting services ensure precise assembly and timely delivery. We manage all quantities with exceptional efficiency and accuracy to meet your deadlines.

Flexible Fulfillment Solutions
Daily and Bulk Order Fulfillment From daily orders to bulk drops, our fulfillment services are designed to meet your diverse needs. Trust us to manage your order volume and ensure timely delivery, meeting all expectations with ease.

Tailored Customization Services
On-Demand Labels and Literature Add personalized touches to your kits with on-demand customization options, including labels, note cards, and static literature. Our services ensure your products stand out with the perfect custom details.
Contact Us for Custom 3PL Kitting Services
Reach out to Diamond Fulfillment Solutions today for a complimentary quote on our fulfillment kitting services!
Custom Kitting and Assembly Frequently Asked Questions (FAQs)
What Types of Kitting and Assembly Projects Can Diamond Handle?
Diamond supports literature kits, branded product boxes, promotional kits, medical kits, sample kits, tradeshow kits, instructional kits, and complex custom assemblies.
Can Diamond Handle Both Small and Large Kitting Runs?
Yes. Diamond supports smaller runs and very large projects, including high volume rework and assembly programs.
Does Diamond Offer Just in Time Kitting?
Yes. Just in time kitting can keep components in inventory until finished kits are needed for release.
Can Diamond Pre Kit Products Before Orders Are Received?
Yes. Pre kitting can be planned when the program benefits from having finished kits ready before order release.
Can Diamond Build Kits With Multiple SKUs?
Yes. Multi component kits can be assembled according to approved bills of materials, packing instructions, and quality requirements.
Can Diamond Support Personalized Kits?
Yes. Kits can include personalized labels, note cards, printed literature, and other program specific elements.
Can Diamond Handle Branded Packaging?
Yes. Diamond can assemble branded boxes and packaging configurations based on approved materials and instructions.
Can Diamond Add Printed Materials to Kits?
Yes. Diamond can add labels, inserts, instructional materials, note cards, and other printed components.
Can Diamond Handle Rework Projects?
Yes. Diamond has dedicated rework capabilities for projects that require updated packaging, labels, inserts, or other changes.
Can Diamond Manage Large Rework Volumes?
Yes. Diamond reports experience with rework projects involving very large quantities and can plan staffing around project volume.
Can Diamond Assemble Medical or Pharmaceutical Kits?
Yes. Diamond supports medical and pharmaceutical kitting programs with program specific procedures and compliance requirements.
Can Diamond Build Promotional and Tradeshow Kits?
Yes. Promotional products, brochures, samples, branded items, and tradeshow materials can be combined into custom kits.
Can Diamond Assemble At Home Test Kits?
Yes. At home and diagnostic test kit programs can be supported through Diamond medical and test kit kitting services.
Can Diamond Handle Return Label Matching?
Yes. Return labels and related materials can be matched and included as part of a defined assembly workflow.
How Does Diamond Maintain Kitting Accuracy?
Diamond uses documented processes, warehouse systems, scanning, quality checks, and program instructions to control component selection and assembly.
Can Kitting Be Combined With Order Fulfillment?
Yes. Finished kits can move directly into order fulfillment for direct to consumer, business to business, or bulk distribution.
Can Kitting Be Combined With Subscription Box Fulfillment?
Yes. Recurring box programs can use the same kitting, inventory, print, and distribution capabilities.
Can Diamond Receive Kit Components From Multiple Vendors?
Yes. Diamond can receive components from multiple sources and coordinate inventory for assembly once required materials are available.
What Information Is Needed to Scope a Kitting Project?
Diamond will need the bill of materials, assembly instructions, packaging specifications, forecasted quantities, release schedule, quality requirements, and compliance needs.
How Does Diamond Handle Changes to an Existing Kit?
Changes can be incorporated through updated work instructions, component substitutions, rework, or revised packaging after approval.













