What OSM Worldwide does

OSM Worldwide (legally One Stop Mailing LLC) is a privately held U.S. parcel consolidator and expeditor headquartered in the Chicago metropolitan area (Glendale Heights, IL) and founded in 2004. The company operates five strategically placed regional processing hubs across the United States and runs the proprietary OSM Premium Network®, which optimizes middle-mile parcel routing before inducting packages into the USPS network for last-mile delivery. OSM also ships internationally to more than 180 countries and territories through a three-tier service portfolio (Global Priority, Global Priority ePacket, Global Priority Parcel). Customers access the network via the OSMART Technology Suite, a 24/7 portal providing eBOLs, tracking, reporting, and shipment management, with real-time integrations to 17+ shipping software platforms including EasyPost, ShipHawk, ShipWorks, and ConnectShip.

OSM serves mid- to high-volume shippers — typically businesses processing 1,000+ packages daily — across verticals including eCommerce, clothing and apparel, healthcare, wellness and beauty, 3PL fulfillment, subscription boxes, publication/BPM, and hazardous materials. Revenue is generated primarily through per-parcel transaction fees (domestic and international), monthly fuel surcharges indexed to U.S. EIA diesel prices, Delivery Area Surcharges (DAS) for select ZIP codes, and shipping insurance. The go-to-market is consultative enterprise field sales with dedicated account managers, supplemented by a 3PL partner channel and a software integration ecosystem. The company is SOC 2 Type 2 compliant and CarbonNeutral certified, and has appeared on the Inc. 5000 list for 14 consecutive years (since 2011). Leadership includes co-founders Gaston Curk (CEO) and James Kelley (President), with functional VPs in sales, marketing, and operations.

Name

OSM Worldwide

Legal name

One Stop Mailing LLC

Website

https://osmworldwide.com

Company type

Private

Founded year

2004

Operating status

Operating

Headcount range

101–250 employees

Short description

OSM Worldwide is a privately held U.S. parcel consolidator and expeditor that uses its proprietary OSM Premium Network and five regional hubs to sort and induct packages into USPS for last-mile delivery, serving mid- to high-volume eCommerce, 3PL, and enterprise shippers domestically and in 180+ countries.

Ownership category

akta.pro rank

Product category

Parcel Shipping and Logistics Services

NAICS

Freight Transportation Arrangement (4885), Freight Transportation Arrangement (488510)

SIC

Arrangement Of Transportation Of Freight & Cargo (4731)

akta.pro primary industry

Fulfillment Execution & Task Management (Pick/Pack/Ship) (TLAEACAD)

akta.pro secondary industries

Distributed Order Management (DOM) & Orchestration (TLAEACAA), Fulfillment Technology & Warehouse Management Systems (WMS) (CRAFAMAB)

Keywords

• Parcel shipping services
• ECommerce logistics solutions
• Domestic package delivery
• International parcel shipping
• Parcel consolidation network

Headquarters

HQ city

Glendale Heights

HQ country

United States

HQ region

North America

Offices3 records

Markets served

GTM type

B2B

Offering type

Services

Cost components

Operations, Infrastructure, Personnel, Technology or R&D, Marketing or Sales, Supply Chain

Revenue model

1. Parcel Expediting Services: OSM Worldwide acts as a parcel consolidator and expeditor, processing and sorting packages before passing them to last-mile carriers (primarily USPS) for final delivery. Revenue is generated through shipping fees based on package dimensions, weight, destination, and delivery speed. The company serves mid- to high-volume eCommerce businesses processing 1,000+ packages daily.
2. Surcharges: Delivery Area Surcharges (DAS) for select ZIP codes (particularly rural/difficult access areas) and monthly indexed fuel surcharges based on U.S. Department of Energy fuel prices. Fuel surcharge updated monthly based on National U.S. Average On Highway Diesel Fuel Price.
3. International Shipping Services: International parcel shipping to more than 180 countries and territories with multiple service levels (Global Priority, Global Priority ePacket, Global Priority Parcel) with varying tracking, delivery times, and value limits.
4. Shipping Insurance: Comprehensive international shipping insurance offered to protect valuable shipments against loss or damage during transit.

Pricing tiers

Go-to-market motion1 record

Distribution channels5 records

Marketing channels8 records

Core offering

OSM Worldwide operates a proprietary parcel expediting network (OSM Premium Network®) that processes and sorts domestic and international packages through five regional U.S. hubs before handing them to last-mile carriers (primarily USPS) for final delivery. The company primarily serves mid- to high-volume eCommerce businesses processing 1,000+ packages daily, offering custom onboarding, processing, and delivery solutions, supported by its OSMART customer portal for tracking and reporting.

Product overview

OSM Worldwide is an eCommerce parcel expeditor offering a unified platform of shipping solutions built around its proprietary OSM Premium Network® for domestic and international delivery. The core product portfolio includes OSM Premium Network® (the underlying logistics infrastructure), OSMART Technology Suite (the customer-facing portal for tracking and reporting), domestic shipping solutions averaging 3-day delivery, and international shipping to 180+ countries with three service tiers (Global Priority, Global Priority ePacket, Global Priority Parcel). Industry-specific solutions cover eCommerce, clothing/apparel, healthcare, wellness/beauty, 3PL/fulfillment houses, subscription boxes, and publication shipping. Additional services include hazardous material shipping compliant with USPS guidelines. The company integrates with 18 shipping software platforms including EasyPost, ShipStation, ShipWorks, and others for seamless operations.

Differentiator

Problem solved

Functional benefit

Brands

• OSM Premium Network: OSM's exclusive shipping network leveraging optimized transportation routes, advanced technology, and data-driven insights for fast, cost-effective, and reliable package delivery.
• OSMART
• OSM Global Priority
• OSM Global Priority ePacket
• OSM Global Priority Parcel

Products and services

• OSM Premium Network®

Quantifiable outcome

• Average 3-day domestic delivery
• +4 more outcomes

Named customers10 records

Segments7 records

Ideal customer profiles5 records

Technology focussed No

API detail

Has API

Yes

API docs

API detail

Core technology

AI maturity

App detail

Integration18 records

Feature3 records

Partnerships

Two partnerships are on record, tiered core.

• United States Postal Service (USPS)coreStrategic or Co-development PartnerOSM is a preferred partner and certified USPS partner leveraging the extensive coverage of the U.S. Postal Service for last-mile delivery. The partnership enables greater efficiency and accuracy at reduced shipping rates, delivering packages nationwide with OSM Premium Network expediting parcels to optimal USPS centers.
• Climate Impact PartnerscoreStrategic or Co-development PartnerAdministers The CarbonNeutral Protocol under which OSM achieved CarbonNeutral company certification. Supports verified environmental projects for renewable energy and forest conservation globally to offset remaining emissions.

Scale indicators12 records

Recent moves6 records

Expansion highlights6 records

Direct peers

• APC Postal Logistics: APC Postal Logistics is one of the most direct USPS workshare consolidator competitors to OSM Worldwide, offering presort and parcel consolidation services that hand off to USPS for last-mile delivery. It competes head-to-head for the same mid- and high-volume eCommerce shipper segment.
• DHL eCommerce: DHL eCommerce (which absorbed Newgistics) operates a global eCommerce parcel network that combines international and domestic delivery, including USPS workshare-style consolidation in the U.S. It overlaps with OSM in serving high-volume eCommerce shippers with cross-border capabilities.
• OnTrac: OnTrac (formerly LaserShip) is a U.S. regional parcel carrier serving eCommerce shippers with ground delivery in select markets. It competes for the same eCommerce parcel volumes that OSM consolidates and hands to USPS, though via its own last-mile network rather than workshare.

Emerging players

• Veho: Veho is a newer eCommerce-focused parcel delivery startup offering end-to-end last-mile service with technology-forward tracking and shipper experience. It overlaps with OSM's eCommerce shipper base but competes via a different delivery model (own couriers vs. USPS handoff).
• ShipBob: ShipBob is a tech-enabled 3PL for eCommerce brands offering warehousing, fulfillment, and shipping with negotiated carrier rates. It competes for some of the same D2C shippers OSM serves and offers bundled fulfillment that can substitute for OSM's parcel-only model in smaller accounts.

Broad incumbents

• Pitney Bowes: Pitney Bowes operates a broad shipping, mailing, and eCommerce logistics portfolio (including Presort Services and SendPro) that touches presort, parcel consolidation, and shipping software. Its scale and incumbent status make it a broader alternative to OSM for enterprise customers evaluating consolidated shipping solutions.
• Stamps.com (Auctane): Stamps.com, part of Auctane alongside ShipStation and ShipEngine, provides shipping software and discounted USPS rates to SMB and mid-market shippers. It overlaps with OSM on USPS workshare rate negotiation and shipping software integrations, though OSM is positioned further upstream in fulfillment execution.
• FedEx: FedEx is a global parcel and logistics incumbent whose Ground and eCommerce services compete for the same high-volume shipper volumes that OSM consolidates. While FedEx operates its own end-to-end network (vs. OSM's workshare model), it represents the largest alternative for shippers evaluating OSM's pricing and service.
• UPS: UPS is a global parcel and supply-chain incumbent and the dominant direct competitor for mid- and high-volume eCommerce shippers. UPS's portfolio (UPS Ground, UPS Mail Innovations, Supply Chain Solutions) competes with OSM's domestic and international parcel services at the enterprise end.

Others

• ShipHawk: ShipHawk is a shipping management and rate-shopping platform that integrates OSM among its carrier options. It is an ecosystem partner and software layer rather than a direct carrier competitor, but it channels parcel volume that can flow through OSM.

Market position

Strengths5 records

Weaknesses4 records

Competitive moat6 records

Key risks6 records

Key highlights7 records

Customer concentration

Compliance2 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles7 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about OSM Worldwide