Cannabis Industry Supplies & Solutions

Reliable Solutions for Growing, Extraction, and Testing

CO2 for Cannabis Growing

Enhance plant growth and yields with our flexible and affordable CO2 storage and delivery systems. We provide solutions for operations of any size, supported by expert service and maintenance.

Grow Room PPE
Protect your team with our full line of personal protective equipment:

  • Disposable gloves and clothing
  • Safety glasses with color-protecting lenses

Solvent-Based Extraction and Lab Testing Gases:

HYDROCARBONS – CO2 – ETHANOL

Our systems are designed for a wide range of extraction and testing needs, including solvent-based methods such as:

  • Hydrocarbons:
    • N-PROPANE
    • N-BUTANE
    • ISO-BUTANE
    • ISO-BUTANE 30% N-PROPANE 70%
    • ISO-BUTANE 70% N-PROPANE 30%
    • N-BUTANE 80% PROPANE 20%
    • N-BUTANE 70% PROPANE 30%
    • N-BUTANE 50% N-PROPANE 50%
    • HYDROGEN
    • METHANE
  • CO₂: A clean, efficient option for both extraction and testing processes.
  • Ethanol: Widely used for its versatility in extraction applications.

Additionally, we supply high-quality gases for lab testing:

  • Hydrogen and Methane for Gas Chromatography (GC) and Mass Spectrometry (MS).
  • Specialty mixes available by request for precise applications.

Lab Testing Solutions

Accurate lab testing ensures compliance with industry standards while maintaining product quality. Key tests supported by our solutions include:

  • Cannabinoid Profiling: Measuring THC, CBD, and other compounds to confirm potency.
  • Residual Solvent Analysis: Ensuring safe removal of solvents during extraction.
  • Terpene and Flavonoid Testing: Understanding unique flavor, aroma, and potential therapeutic benefits. Can make certain cannabis plants smell or taste different than others.
  • Contaminant Screening: Detecting heavy metals, pesticides, and microbial growth.

Our lab gases ensure consistent, repeatable results to keep your operation compliant and efficient.

Turnkey Cabinet Systems

Safe handling of gases is critical in any cannabis lab. Central McGowan’s turnkey cabinet systems provide:

  • Secure, ventilated storage for flammable gases like hydrogen and methane.
  • Custom configurations to fit the needs of your facility.
  • Enhanced safety features to comply with OSHA and NFPA standards.

Cannabis Industry Terms to Know

Understanding key terms is essential in the extraction and testing process:

  • Cannabinoids: Active compounds like THC and CBD, each with unique effects.
  • Terpenes: Compounds responsible for aroma and therapeutic properties.
  • Flavonoids: chemical compounds that may provide health benefits such as:
    • Antioxidants: help prevent blood clots.
    • Anti-inflammatory: Flavonoids have anti-inflammatory effects.
    • Heart health: help manage high blood pressure and lower the risk of heart attack or stroke.
    • Brain health: improve cognitive performance.
    • Pain relief: provide pain relief in conditions such as osteoarthritis, Parkinson's, and arthritis.

Why Central McGowan?

At Central McGowan, we’re more than a supplier—we’re a trusted partner for cannabis growers, extractors, and testing labs. With decades of experience and a reputation for reliability and innovation, we deliver CO₂ storage and delivery systems, hydrocarbons and solvents for extraction, and lab testing gases to meet the demands of this fast-growing industry.

We also provide PPE and turnkey storage solutions to help businesses stay safe, compliant, and efficient. Whether you need scalable systems for growing, high-purity solutions for extraction, or lab-ready testing tools, we’re here to help your operation thrive.

Get in touch today to learn how we can fuel your growth and success!

LITTLE FALLS Branch
(7:30 AM - 5 PM M-F, CLOSED SAT & SUN)
16444 11th St NE, Little Falls, MN 56345
LOCAL: 320-632-9218
TOLL-FREE: 800-864-3787
EMERGENCY: 320-428-2013

MANKATO Branch (Preferred Welder Sales)
(7:30 AM-5 PM M-F, CLOSED SAT & SUN)
150 Pauley Way
Mankato, MN 56001
LOCAL: 507-229-5267
EMERGENCY: 320-428-2013

MINNEAPOLIS Branch (Metro Welding Supply)
(7:30 AM-5 PM M-F, CLOSED SAT & SUN)
3021 Central Ave NE
Minneapolis, MN 55418
LOCAL: 612-781-3004
EMERGENCY: 320-428-2013

ST. CLOUD Automation Center
(7 AM-4:30 PM M-F, CLOSED SAT & SUN)
2820 1st St S, St. Cloud, MN 56301
SALES/SERVICE: 320-257-4800/800-569-1322, Press 5
FOLLOW INSTRUCTIONS FOR AFTER-HOURS EMERGENCY

ST. CLOUD Branch & Headquarters
(7:30 AM-5 PM M-F, CLOSED SAT & SUN)
123 Roosevelt Road, St. Cloud, MN 56301
STORE: 320-257-4801 or 800-569-1322, Press 1
BUSINESS OFFICE: 320-257-4800, Press 2
FAX: 320-252-7807
EMERGENCY:320-428-2013

ST. CLOUD CO2 Solutions
(7:30 AM-5 PM M-F, SAT CLOSED)
123 Roosevelt Road, St. Cloud, MN 56301
PHONE: 320-257-4800 / 800-569-1322, Press 3
FAX: 320-252-7807
EMERGENCY: 320-428-2013

ST. CLOUD Service Center
(7:30 AM-4:30 PM M-F, CLOSED SAT & SUN)
123 Roosevelt Road, St. Cloud, MN 56301
PHONE: 320-257-4800/800-569-1322, Press 4
FAX: 320-252-7807
EMERGENCY: 320-428-2013

ST. PAUL - BEVCARB/DRY ICE BRANCH
(7 AM-3 PM, M-F, CLOSED SAT & SUN)
2103 Charles Ave, St. Paul, MN 55114
LOCAL: 651-645-6433
AFTER 3 PM/EMERGENCY: 651-246-1214

DES MOINES BRANCH (Fessler Carbonic Gas)
(8 AM-4 PM M-F, CLOSED SAT & SUN)
2012 E Ovid Ave
Des Moines, IA 50313
LOCAL: 515-255-5717
EMERGENCY: 515-499-3165

FARGO Branch
(7:30 AM-5 PM M-F, CLOSED SAT & SUN)
1230 38th Street N #A
Fargo, ND 58102
LOCAL: 701-809-7425
EMERGENCY: 320-428-2013

SIOUX FALLS Branch
New store opening end of November

520 E Benson Rd. 57104
Sioux Falls, SD 57104
LOCAL: 605-800-5322

CALL 320-257-4800 or 800-569-1322 (7:30 AM-5 PM, Central)