About

Northwest Sanitary

man and women with fuel truck

Learn More About Our Fuel Services

Grissom Fuel Oil Company Inc is a local, family-owned and -operated business founded in 2011 by Angela and Tony Tondo. You can count on our professional service specialists who have over 20 years of experience for all your fuel needs. 


You will be impressed to know that we  serve both residential and commercial customers with prompt, courteous and friendly service from our experienced delivery technicians.


We also offer annual system cleaning services and automated fuel deliveries. Contact us today with any questions you may have. We return all inquiries on the same day.


Remember you are not just a customer, you are our neighbors.


About

Northwest Sanitary specializes in septic tank services, holding tanks, line cleaning, and bacteria additives in Sawyer County, WI and the surrounding areas.

Year Established

1974

Services

  • Septic System
  • Holding Tanks
  • Video Inspection
  • Line Thawing
  • Bacteria Additive
  • Sewage Sump Pump
  • Odor Filter

Products

  • Tank Extensions

Specialties

  • Septic System
  • Holding Tanks
  • Video Inspection
  • Bacteria Additive
  • Odor Filter
  • Sewage Sump Pump
  • Line Thawing

Business Hours

Same-Day Emergency Services Available

Holiday Hours

Associations

  • Wisconsin Liquid Waste Carriers Association Partners Since 2006

Brands

  • Lenzyme Bacteria Additives

Pickup and Delivery

Payment Options

  • American Express
  • Cash
  • Check
  • Discover
  • Invoice
  • MasterCard
  • PayPal
  • Visa
  • HEAP (Heat Emergency Assistance Program) Accepted

Languages

  • English

Good to Know