Horticulture Lighting Group

House & Garden

Humboldt County's Own / Emerald Triangle

Humboldt Nutrients

Hydro Flow

Hydro Organics / Earth Juice

Hydro-Logic

Hydrodynamics International

Hydrofarm

Hydropolis Grow Tents

Hygrozyme

Ideal Air

IHORT

Innovative Growers Equipment

Integra Boost

Intelligent Growing Systems (Plug & Grow )

International Enviroguard

JETFAN

Jump Start

Kenex Scales

Lightech

LightRail

Link4 Corporation

Loctite

Lost Coast Plant Therapy

Mad Farmer

Mammoth Microbes

Marrone Bio

Measure Master

Microbe Life Hydroponics

Milwaukee Instruments

Mondi

Monterey Lawn & Garden Products

Mosser Lee

Mother Earth

MRCOOL

Nanolux

Nectar for the Gods

Niwa

Novelty Manufacturing

NPK Industries

Nutrilife Products

Oasis

Olivia's Solution

Ona Products

Optic Foliar

Original Resinator

oxyCLONE

Ozone Environmental / Uvonair

Palmetto

Panda Film

Pargro

Phantom

Phantom CMh

Phantom DE

Phantom LED

Phat

PHOTOBIO

PhotonTek

Physan 20

Plant Success / Great White

powerPAR

Primordial Solutions

Private Reserve

Pro Cal

PRO-MIX

Procidic2

PureCrop1

Quantum

Raindrip

Rainmaker

Rare Dankness Nutrients

Remo Nutrients

Revelry Supply

Rhizoflora

Rock Nutrients

Root Radiance

Roots Organics

Royal Gold

Safer

Schaefer

Seabright Laboratories

Shear Perfection

Shield N Seal

Sierra Natural Science

Smart Pot

Soul

South Cascade Organics

Speed Bully

Spray-N-Grow

STACK!T

Summit Chemical

Sun Blaster

Sun Blaze & Solar Flare

Sun System Ballast

SunBlaster

Sungro/Sunshine Advanced

Super Bat / Budswel

Super Sprouter

SuperThrive