What DPH Biologicals does

DPH Biologicals is a Princeton, Illinois-based agricultural biosciences company that develops and commercializes biological crop inputs — biofertilizers, biocontrols, biostimulants, and biological fungicides — for U.S. broadacre row crops, specialty crops, and turf/ornamental markets. The company was formed in 2018 from the biologicals operations of Douglas Plant Health (itself part of the Douglas Products group) and was rebranded from Douglas Plant Health to DPH Biologicals in November 2021; a management-led buyout completed in January 2024 transitioned ownership to the management team.

The product architecture is organized around two commercial platforms — TerraTrove (biofertility, anchored by SP-1 Classic and AmplAphex, with modules including Residuce, Envelix Prime, MT-17, and Myco Seed Treat) and BellaTrove (biocontrol, anchored by the Companion Maxx line featuring proprietary Bacillus amyloliquefaciens strain ENV503, plus ChitoNox, VeraNox, and NataNox) — underpinned by two technology platforms: RegenAphex, a proprietary plant-based humus extract produced at the largest plant-based composting facility in the United States, and Prime, a patented process for accelerating Bacillus spore germination under heat, drought, and saline stress. DPH also holds an exclusive U.S. license to KitoZyme's pharmaceutical-grade fungal chitosan technology.

The company sells through a multi-channel model combining major ag retailers (GROWMARK, WinField), a national specialty-crop distribution agreement with American Vanguard (AMVAC) signed in January 2025, a broad turf/ornamental distributor network (SiteOne, Griffin, Harrell's, Helena, Nutrien, plus 10+ regional wholesalers), enterprise field sales led by an SVP of U.S. Agriculture, and direct-to-customer phone/website ordering. Products are EPA-registered where required, OMRI-certified for organic channels, and have been deployed across "millions of acres" with university validation at institutions including Penn State, Michigan State, Texas A&M, Rutgers, Oregon State, and the University of Illinois Urbana-Champaign. International expansion began in October 2025 with Companion Maxx registration in Brazil.

Name

DPH Biologicals

Legal name

DPH Biologicals

Website

https://douglasplanthealth.com

Company type

Private

Founded year

2018

Operating status

Operating

Headcount range

11–50 employees

Short description

DPH Biologicals develops and markets biological crop inputs including biofertilizers, biocontrols, and biostimulants for row crop, specialty crop, and turf/ornamental markets. Founded 2018, headquartered in Princeton, Illinois, selling through major ag retailers including GROWMARK, WinField, and AMVAC.

Ownership category

akta.pro rank

Product category

Agricultural Biologicals (Biofertilizers and Biocontrols)

NAICS

Pesticide, Fertilizer, and Other Agricultural Chemical Manufacturing (3253), Pesticide and Other Agricultural Chemical Manufacturing (32532)

SIC

Agricultural Chemicals (2870)

akta.pro primary industry

Biostimulants & Plant Health Biologicals (Microbial/Non-microbial) (AFABAEAK)

akta.pro secondary industries

Biological Seed Treatments & Inoculants (within Biologicals) (AFABAEAL), Biological Formulation, Fermentation & Scale-Up Manufacturing (AFABAEAM), Soil Health Activators & Biostimulants (Humates, Amino Acids, Seaweed Extracts) (AFABAKAJ), Lawn Nutrition & Biostimulants (Compost Tea, Humic/Fulvic, Microbes) (HSAIAGAF)

Keywords

• Biological crop inputs
• Microbial biofertilizers
• Biocontrol products
• Plant-based humus
• EPA-registered biofungicides

Headquarters

HQ city

Princeton

HQ country

United States

HQ region

North America

Offices1 record

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

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

Revenue model

1. Biological Products Sales: DPH Biologicals generates revenue through the sale of biological products including biofertilizers (TerraTrove SP-1 Classic, AmplAphex, Envelix Prime, Residuce), biological fungicides (BellaTrove Companion products), biostimulants, and seed treatments. Products are sold through distributors, ag retailers, and direct channels to row crop, specialty crop, turf, and ornamental markets.

Go-to-market motion3 records

Distribution channels4 records

Marketing channels6 records

Core offering

DPH Biologicals develops, manufactures, and sells biological agricultural inputs — biofertilizers, biocontrol agents, biostimulants, and biological fungicides — formulated with beneficial microorganisms (Bacillus spp., PGPR), algae extracts, plant-based humus extracts, and natamycin. Products are sold under the TerraTrove (biofertility) and BellaTrove (biocontrol) brands, supported by two proprietary technology platforms: RegenAphex (plant-based humus extract) and Prime (patented Bacillus spore germination process). Outputs are deployed on millions of acres across row crops, specialty crops, golf/sports turf, nurseries, and lawns.

Product overview

DPH Biologicals offers a platform-plus-modules architecture organized primarily under two product lines: TerraTrove™ (biofertilizers) and BellaTrove™ (biocontrols). The TerraTrove platform is anchored by SP-1 Classic, the flagship biofertilizer that combines microbes, plant extracts, and algae to improve soil structure and nutrient uptake, and has spawned multiple variants including AmplAphex (with enhanced carbon), Residuce products (for residue breakdown), Envelix Prime (dry fertilizer coating), MT-17 (for organic inputs), and Myco Seed Treat. The BellaTrove platform centers on Companion Maxx products (biological fungicides using Bacillus amyloliquefaciens strain ENV503), expanded with ChitoNoX (fungal chitosan), VeraNoX (biological insecticide), and NataNoX (natamycin-based). Two technology platforms—RegenAphex (plant-based humus extract) and Prime (accelerated Bacillus spore germination)—underpin multiple products. Turf and Ornamental products mirror the agricultural lineup with region-specific formulations including AmplAphex, EssenAphex, MicroStix Prime, Residuce WS, Essential Plus, Companion Max 2-0-1, BioNutrients products, and Companion Maxx Liquid Biological Fungicide.

Differentiator

Problem solved

Functional benefit

Brands

• AmplAphex: Complete biofertilizer built on RegenAphex technology platform, offering same benefits as SP-1 Classic with lower use rate and twice the amount of readily available carbon.
• RegenAphex
• Prime Technology Platform
• Companion

Quantifiable outcome

• Replace up to 50% of synthetic starter fertilizer when used in-furrow at planting
• +4 more outcomes

Named customers3 records

Segments5 records

Ideal customer profiles5 records

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature5 records

Partnerships

Five partnerships are on record, tiered core and minor.

• AMVAC (American Vanguard Corporation)coreChannel Partner/ Reseller/ Distributor · 30 January 2025Regional distribution agreement significantly expanding American Vanguard's GreenSolutions portfolio and increasing availability of biological products throughout the U.S. while expanding DPH Bio's footprint into specialty crop markets. Agreement signed January 30, 2025.
• AginnovationcoreStrategic or Co-development Partner · 27 January 2025Strategic partnership to deliver advanced biological seed treatment products to growers across North America for the vegetable and specialty market. Alliance combines DPH Biologicals' biological products with Aginnovation's seed enhancement technology. Announced January 27, 2025.
• KitoZymecoreOEM/ Whitelabel/ Licensing Partner · 26 June 2024Licensing agreement with Belgium-based manufacturer of pharmaceutical-grade fungal chitosan to develop the first sustainably-sourced chitosan seed treatment technology (ChitoNox) for U.S. growers. Provides wide-ranging seedling protection effective against nematodes and soil-borne diseases.
• University of Illinois Urbana-Champaign (UIUC)coreStrategic or Co-development Partner · 1 November 2023Research collaboration validating the impact of biologicals on accelerating decomposition of crop residue, unlocking sustainable and profitable farming practices for U.S. high-yield, broadacre growers.
• Streamline AgminorGTM or Marketing Partner · 27 July 2023Collaboration on Rural America Live episode discussing biological seed treatments, crop residue management, and the 'better together' approach of pairing biology and chemistry.

Scale indicators2 records

Recent moves7 records

Expansion highlights6 records

Broad incumbents

• Novonesis (Novozymes): Global leader in industrial enzymes and microbial solutions including agriculture biologicals; overlaps with DPH across microbial biofertility and biocontrol but operates at vastly larger scale and as part of a broader biotech portfolio.
• AMVAC (American Vanguard Corporation): Crop protection company that signed a January 2025 distribution agreement with DPH to expand its GreenSolutions portfolio; competes with DPH in adjacent specialty crop protection while also serving as DPH's distribution partner.

Emerging players

• AgBiome: Microbial discovery and biological crop protection company with Howler and Theia biofungicide products; comparable in biological crop protection focus but earlier stage with narrower commercial scale than DPH.
• Symborg: Spanish-origin agricultural biologicals company offering microbial and biostimulant products for row and specialty crops; comparable in product category with partial overlap and emerging global footprint.

Direct peers

• Pivot Bio: U.S.-based ag biologicals company commercializing microbial nitrogen-fixing products for row crops; directly competes with DPH's TerraTrove biofertilizers in corn and soybean nitrogen-replacement use cases with a comparable farmer-ROI value proposition.
• BioZyme: Animal nutrition and agricultural biologicals company where DPH's COO Chris Feiden previously worked; competes in biological and fermentation-based agricultural inputs and is a directly comparable peer in plant and animal biologicals.
• Valent BioSciences: Specialty subsidiary of Sumitomo Chemical focused exclusively on biological crop protection and plant health products; directly comparable to DPH's BellaTrove biocontrol portfolio with broader global scale.
• Sound Agriculture: Develops biological inputs (Source nitrogen efficiency product and bio-inspired chemistries) for row crops; competes with DPH on fertilizer replacement and soil health positioning with overlapping retail/distributor routes to market.
• Indigo Ag: Biologicals-focused agtech company marketing microbial seed treatments and foliar biologicals to row crop growers; directly overlaps with DPH's BellaTrove biocontrol and seed treatment product lines.
• Certis Biologicals: Specialty biological crop protection company (formerly Certis USA) offering biofungicides, bioinsecticides, and bionematicides; directly comparable product portfolio to DPH's BellaTrove Companion and ChitoNoX lines.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights7 records

Customer concentration

• Xx.com/dphbio
• Facebookfacebook.com/dphbio
• LinkedInlinkedin.com/company/dphbio
• Instagraminstagram.com/dphbio

Compliance1 record

Revenue estimate

Valuation estimate

Number of profiles

Profiles7 records

Funding overview

Funding rounds1 record

Investors1 record

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 DPH Biologicals