Veterinary Service

What Veterinary Service does

Veterinary Service Inc. (VSI) is a privately held animal health distributor founded in 1960 and headquartered in Salida, California, operating through three divisions: Livestock (serving hundreds of dairies along the west coast), Poultry (national distribution through eight warehouse locations across the US), and Dealer (serving over 2,500 retail stores west of the Rockies with products from 400+ vendor/manufacturer partners including 3M, Zoetis, Merck Animal Health, and Boehringer Ingelheim). The company employs 101–250 people and serves a base of over 3,000 customers across beef, dairy, poultry, and pet retail channels.

The product portfolio combines traditional distribution with several proprietary technology-enabled services. Mastatest is an AI-powered on-farm mastitis diagnostic system using patent-protected 24-well cartridges processed through a Lapbox device and cloud-based algorithm to deliver pathogen identification and antibiotic sensitivity results within 24 hours, with over 400,000 samples processed to date. Complementary services include the Cluster Exchange Service (scheduled milking-cluster replacement with Milkrite | InterPuls every 2,500 milkings), the AIM Inventory Management System (barcode-driven automated inventory with claimed $20 savings per cow annually), and an Automated Fly Spray System with programmable logic control. Water sanitation programs for both livestock and poultry operations round out the recurring service layer.

VSI's commercial model is sales-led, with field sales representatives organized by division and geography, supported by quote-based pricing and partner inquiry workflows. Revenue is generated through product distribution margins, recurring service subscriptions (Cluster Exchange, sanitation programs), and consumable diagnostic cartridge sales (Mastatest). The company is privately held with no disclosed institutional investors, funding rounds, or M&A activity.

Name

Veterinary Service

Legal name

Veterinary Service, Inc.

Website

https://vsi.cc

Company type

Private

Founded year

1960

Operating status

Operating

Headcount range

101–250 employees

Short description

Veterinary Service Inc. (VSI) is a privately held animal health distributor founded in 1960, operating three divisions — Livestock, Poultry, and Dealer — to serve over 3,000 customers across US dairy, beef, poultry, and pet retail channels with proprietary services including Mastatest AI diagnostics, Cluster Exchange, and AIM Inventory Management.

Ownership category

akta.pro rank

Product category

Animal Health Distribution

NAICS

Veterinary Services (54194)

SIC

Agricultural Services (700)

akta.pro primary industry

Livestock & Farm Animal Veterinary Services (AFAEANAB)

akta.pro secondary industries

Diagnostics & Laboratory Services (Sampling, Necropsy, Disease Investigation) (AFACADAF), Routine On-Farm Veterinary Services (Exams, Treatment, Prescribing) (AFACADAB), Diagnostics & Laboratory Coordination (Sample Collection, Lab Liaison, Interpretation) (AFACALAE)

Keywords

• Animal health distribution
• Veterinary products wholesale
• Livestock health products
• Poultry health products
• Dairy sanitation services

Headquarters

HQ city

Modesto

HQ country

United States

HQ region

North America

Offices10 records

Markets served

GTM type

B2B

Offering type

Services

Cost components

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

Revenue model

1. Animal Health Product Distribution: VSI distributes a broad line of animal health products including poultry health products, livestock supplies, and pet health products through their Dealer, Livestock, and Poultry divisions. Revenue comes from product sales to producers, retailers, and through vendor partnerships.
2. Cluster Exchange and Liner Services: Recurring service for dairy operations providing scheduled delivery and replacement of milking clusters and liners. After 2,500 milkings, new clusters are delivered and used units collected, starting the next replacement cycle.
3. Mastatest Diagnostic Products: Sale of Mastatest Lapbox diagnostic equipment and proprietary test cartridges (MAST1, HiSCC, USP2) for on-farm mastitis testing. Cartridges are sold in packs of 10 and provide results within 24 hours.

Pricing tiers

Go-to-market motion3 records

Distribution channels3 records

Marketing channels2 records

Core offering

Veterinary Service Inc. (VSI) is an animal health product distributor organized into three divisions—Dealer, Livestock, and Poultry—that sells animal health products, diagnostics, sanitation solutions, and inventory management services to over 3,000 producers, retailers, and vendor partners across the western United States. The company complements product distribution with value-added services including the Mastatest automated mastitis diagnostic system, Cluster Exchange milking equipment service, AIM Inventory Management, Automated Fly Spray System, and livestock and poultry water sanitation programs.

Product overview

Veterinary Service Inc. (VSI) is an animal health product distributor organized into three divisions: Livestock Division serving dairies along the west coast, Poultry Division serving poultry operations nationally, and Dealer Division serving retail stores. The product portfolio includes diagnostic products (Mastatest automated mastitis system), equipment services (Cluster Exchange Service, Liner Exchange Service, Automated Fly Spray System), inventory management (AIM Inventory Management), and sanitation products (Livestock Water Sanitation, Poultry Water Sanitation). Key brands include Grubs Boots footwear and Milkrite|InterPuls milking equipment technology, with EverGreen Pro 60-6 and Sector Misting Concentrate as insecticide consumables.

Differentiator

Problem solved

Functional benefit

Products and services

• Cluster Exchange Service

Quantifiable outcome

• Mastatest system has over 3,250 customers and has processed over 400,000 samples testing over 650,000 cows
• +1 more outcomes

Named customers1 record

Segments4 records

Ideal customer profiles4 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature4 records

Partnerships

Five partnerships are on record, tiered core.

• Milkrite | InterPulscoreTechnology or IntegrationVSI offers Cluster Exchange Service in partnership with Milkrite | InterPuls, providing automated milking cluster delivery and replacement services for dairy operations. The partnership includes Impulse Air/Enduro liner technology for improved teat health and optimal milking performance.
• 400+ Vendor/Manufacturing PartnerscoreChannel Partner/ Reseller/ DistributorVSI partners with over 400 manufacturers (vendors) to distribute animal health products. They help manage every part of growing brands including marketing, sales and logistics. Partners include major brands like 3M, Zoetis, Merck Animal Health, Boehringer Ingelheim, and many others across pet, livestock, and poultry health categories.
• Producer Partners (Farms and Ranches)coreChannel Partner/ Reseller/ DistributorVSI serves livestock and poultry producers as a trusted partner providing support for cattle and poultry operations. They help maximize profit through access to leading products, services, and information with commitment to facing challenges and celebrating successes.
• Retail PartnerscoreChannel Partner/ Reseller/ DistributorVSI services retail partners with thousands of customers across western United States. With four locations and over 400 vendors, they provide all animal health product needs for pet stores, boutiques, farm & feed stores, and other retail formats.
• Mastatest (Parent Technology Partner)coreTechnology or IntegrationMastatest is the automated mastitis diagnostic tool distributed by VSI. The system uses cloud-based AI algorithm for automated sample analysis with results returned within 24 hours including bacterial identification, antibiotic sensitivity, and veterinarian-recommended treatment plans.

Scale indicators9 records

Recent moves7 records

Expansion highlights6 records

Direct peers

• Patterson Companies: Major US animal health distributor serving companion animal and livestock markets through Patterson Veterinary and Animal Health International. Comparable business model as a multi-channel animal health product distributor serving veterinarians, producers, and retailers.
• Durvet: Animal health product manufacturer and distributor serving livestock and companion animal markets through dealer and retail channels. Comparable dealer-distribution model serving farm stores and rural retailers similar to VSI's Dealer Division.
• Covetrus (now part of Henry Schein Animal Health): Large animal health distributor serving veterinary practices and livestock producers with products, technology, and services. Highly comparable distribution model and customer base to VSI's livestock and dealer divisions.
• MWI Animal Health (AmerisourceBergen): National wholesale distributor of animal health products serving companion animal and production animal markets across the US. Direct competitor to VSI's poultry and livestock distribution businesses with similar product categories and customer types.
• Nasco Farm & Ranch: Distributor of farm, ranch, and animal health products serving agricultural producers, retailers, and educational markets. Comparable multi-channel distribution model targeting similar livestock and poultry producer customers as VSI.

Regional players

• Milk Products LLC: Animal nutrition and health product company focused on calf and dairy markets with distribution through agricultural dealers. Comparable target market and dealer-distribution model for dairy-focused health and nutrition products.

Broad incumbents

• Central Life Sciences: Animal health and pest control product manufacturer and supplier serving agricultural operations. Comparable in pest control and animal health product categories that overlap with VSI's fly spray and sanitation offerings.

Emerging players

• Vetcove: Digital procurement platform for veterinary practices to compare pricing and order from multiple distributors. Represents the digital disruption of traditional animal health distribution that VSI's relationship-led model competes against.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat5 records

Key risks5 records

Key highlights6 records

Customer concentration

Revenue estimate

Valuation estimate

Number of profiles

Profiles16 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 Veterinary Service