What Golden State Overnight Delivery Service does

Golden State Overnight Delivery Service (doing business as GSO) is a privately held regional overnight parcel and freight delivery carrier founded in 1995 by Dana Hyatt and headquartered in Pleasanton, California. The company executes more than one million deliveries per month across California, providing time-sensitive overnight and expedited shipping for parcels and freight to business shippers inside and out of the state. Service is built around a transactional parcel and freight model, with revenue generated through shipping fees based on package weight, dimensions, and delivery distance; pricing is not publicly disclosed and customers are directed to phone-based quoting.

The company operates a sales-led, phone-based go-to-market via a single branded number (1-888-SHIP-GLS), with dedicated phone queues for parcel shipments, freight shipments, shipper support, IT support, collections, accounts payable, billing, and sales. Customer service extends from 7:00 AM-7:00 PM Pacific, Monday through Friday, and 7:00 AM-4:00 PM on Saturday, indicating extended operational coverage relative to typical B2B carrier hours. The primary customer segment is described as general business shippers with horizontal use cases rather than a named-anchor vertical, and there are no disclosed enterprise logos in the input data.

Technology infrastructure is not disclosed: there is no public API, no disclosed SDK, no AI/ML modalities, and no proprietary integrations catalogued. The current public web presence consists of a maintenance notice with the phone-support and operating-hour information above. Headcount is reported in the 1,001-5,000 range, consistent with a mid-sized private regional carrier. No funding events, M&A, partnerships, regulatory actions, or leadership changes are disclosed, leaving the company's ownership structure, revenue scale, and recent strategic direction effectively opaque from public sources.

Name

Golden State Overnight Delivery Service

Website

https://gso.com

Company type

Private

Founded year

1995

Operating status

Operating

Headcount range

1,001–5,000 employees

Short description

Golden State Overnight Delivery Service, founded in 1995 and headquartered in Pleasanton, California, is a regional overnight parcel and freight carrier executing over one million deliveries per month across California for business shippers requiring time-sensitive delivery.

Ownership category

akta.pro rank

Product category

Regional Overnight Delivery Services

NAICS

Couriers and Express Delivery Services (4921)

SIC

Trucking & Courier Services (No Air) (4210)

akta.pro primary industry

Premium B2B Express & Scheduled Time-Window Delivery (TLAAABAE)

akta.pro secondary industry

Non-Time-Definite Parcel (Day-Definite) (TLAAACAE)

Keywords

• Overnight parcel delivery
• Regional freight shipping
• California logistics services
• Expedited package shipping
• Last-mile delivery

Headquarters

HQ city

Pleasanton

HQ country

United States

HQ region

North America

Markets served

GTM type

B2B

Offering type

Services

Cost components

Personnel, Operations, Infrastructure

Revenue model

1. Parcel and Freight Shipping Services: Provides overnight parcel shipment and freight shipping services to customers, generating revenue through shipping fees based on package weight, dimensions, and delivery distance.

Go-to-market motion1 record

Distribution channels1 record

Marketing channels1 record

Core offering

Golden State Overnight Delivery Service (GSO) provides overnight parcel and freight shipping services, completing more than a million deliveries each month throughout California. The company focuses on time-sensitive, expedited deliveries for business shippers via a regional delivery network with phone-based sales, dispatch, and customer support.

Differentiator

Problem solved

Functional benefit

Products and services

• Overnight Parcel Delivery Time-sensitive overnight parcel shipping service for business shippers requiring next-day delivery of packages throughout California. Pricing based on package weight, dimensions, and delivery distance.

Segments1 record

Ideal customer profiles1 record

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Recent moves3 records

Expansion highlights2 records

Direct peers

• OnTrac: Regional parcel carrier operating overnight ground delivery across the western and southwestern U.S. Closely comparable to GSO as a regional overnight parcel/ground delivery specialist competing with national integrators on regional density.
• GLS US: Regional parcel carrier providing B2B ground and overnight delivery across the western U.S., including California. Closely comparable in product offering (overnight parcel, time-windowed delivery) and target shipper (B2B senders) to GSO.

Broad incumbents

• UPS: Global integrator with overnight, ground, and freight services into California. Comparable on overnight B2B shipping and freight, though UPS spans far more geographies and offers vastly deeper digital tooling.
• Estes Express: LTL freight carrier with growing parcel capabilities serving California. Comparable on the freight side of GSO's business and increasingly on next-day parcel where LTL carriers extend into expedited small-parcel solutions.
• USPS: Universal postal service offering ground parcel delivery (Priority Mail, Ground Advantage). Competes with GSO on B2B parcels, particularly where transit-time tolerance is moderate; also a parcel-inject partner for last-mile handoffs.
• DHL Express: Global integrator offering time-definite international and domestic express services into California markets. Overlaps with GSO on time-critical domestic shipping and B2B shipper relationships.
• FedEx: Global integrator offering overnight and ground parcel services across California. Directly competes for overnight parcel volume but operates at national/international scale with significantly broader service menu and digital infrastructure.

Emerging players

• Amazon Logistics: Amazon's internal delivery network increasingly serving non-Amazon B2B shippers. Comparable as a rapidly scaling overnight/next-day delivery alternative in California, though typically structured around Amazon-origin volume.

Others

• Aloha Freight Forwarders: Regional freight forwarder serving California and Pacific shipping lanes. Comparable on the freight side of GSO's offering and as a regional B2B shipper relationship, though focused on forwarding rather than line-haul parcel delivery.

Regional players

• Lone Star Overnight: Texas-based regional overnight parcel carrier serving the south-central U.S. Operates the same regional-overnight playbook as GSO but in a different geography; structurally and operationally comparable.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat3 records

Key risks6 records

Key highlights6 records

Customer concentration

• Facebookfacebook.com/251674061539805
• LinkedInlinkedin.com/company/golden-state-overnight

Revenue estimate

Valuation estimate

Number of profiles

Profiles1 record

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 Golden State Overnight Delivery Service