Grease Monkey is a locally owned and operated automotive service provider in Colorado and Arizona, specializing in quick and affordable oil change services.

Commercial Fleet Service

Fast, reliable maintenance for businesses in Colorado, Arizona, and Texas — so your team spends less time in the shop and more time on the road.

Enroll Your Fleet Today!

Why choose Grease Monkey Fleet Maintenance Services?

Running a fleet is demanding. That’s why Oilex Grease Monkey delivers convenient, professional fleet maintenance designed for speed, reliability, and accountability.

  • 20-Minute Average Service Time - Oil changes and routine maintenance with minimal downtime.
  • No Appointments Needed - Drive in when it works for your drivers.
  • Flexible Payment Options – Billed accounts or pay-as-you-go or national fleet billing via Auto Integrate.
  • Trusted Partner – Serving thousands of fleet vehicles annually across multiple industries.
  • Nationwide Warranty – Peace of mind that your vehicles are protected wherever they travel.

How It Works

Sign Up
Service Anytime
Track & Bill
Stay Road-Ready

Fleet Services We Provide

We go beyond oil changes. Your business vehicles receive a full range of preventive maintenance services, including:

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Oil change service at Oilex Grease Monkey

Oil Changes

Full synthetic, high-mileage, and diesel oil service (20-minute average, OEM-spec fluids).

Tire rotation service at Oilex Grease Monkey

Tire Rotations & Inspections

Rotation with tread depth, brake, and tire pressure check (helps extend tire lifespan).
Tire alignment at Oilex Grease Monkey

New Tires & Alignments*

Tire replacement and computerized 4-wheel alignment (improves handling and fuel efficiency).

* Select Locations Only

Power steering fluid at Oilex Grease Monkey

Fluid Exchanges

Transmission, coolant, power steering, differential, and transfer case service (prevents costly failures).
Windshield wiper replacement at Oilex Grease Monkey

Wiper Blade & Air Filter Replacements

Install premium wipers & engine/cabin air filters (better visibility and improved air intake performance).
Battery testing at Oilex Grease Monkey

Battery Testing & Replacement

Digital battery diagnostics with OEM-grade replacement available on-site (avoid no-start situations).
Safety inspection at Oilex Grease Monkey

Safety Inspections

Comprehensive multi-point inspection (suspension, leaks, belts, hoses, lights, safety systems).
Emissions testing at Oilex Grease Monkey

Emissions Testing*

State-certified emissions compliance testing (available only at our Houston location) required for annual vehicle registration in Texas.

*Registration in Houston, Texas

What Our Partners Say

Oilex Grease Monkey earns rave reviews from fleet customers who depend on fast, reliable service without appointments or downtime. Businesses consistently praise their priority treatment, quick turnaround, and proactive maintenance — with zero pressure or upselling. For companies that need trusted fleet support and vehicles back on the road fast, Oilex Grease Monkey delivers every time.

"As Chief Photographer for CBS Colorado, I rely on dependable service to keep our fleet running smoothly. Grease Monkey consistently delivers fast, friendly service that makes a real difference. Every time I bring in a CBS Colorado vehicle, I feel like we’re given priority — the staff knows who we are and treats us with genuine care and professionalism. They understand the importance of keeping our cars on the road and ready to roll. With Grease Monkey, I trust that our oil changes are done right and done quickly."
Kevin Hartfield
Kevin HartfieldChief Photographer / Editor, Denver | CBS Colorado
44 Fleet Vehicles
“We've been using Grease Monkey in Colorado Springs for several years through our company, HCD Inc., and now our new company, 5150 Holdings LLC, has also made the switch. Their team consistently provides quick, reliable service with no need for appointments—a huge plus for our busy schedules. They perform thorough inspections and let us know about upcoming maintenance without ever being pushy. Highly recommend for any business managing a fleet or looking for efficient, trustworthy vehicle service.”
Sarah Birks
Sarah BirksHCD, INC | 5150 Holdings LLC
60+ Fleet Vehicles

Enroll Now

Keeping your fleet on the road has never been easier. Oilex Grease Monkey handles every aspect of your vehicle maintenance so you don’t have to.

National Fleet Maintenance Provider

We Partner with Auto Integrate and Welcome All National Fleets

We Partner with Auto Integrate
We Partner with Auto Integrate and Element
We Partner with Auto Integrate and Emkay
We Partner with Auto Integrate and Enterprise Fleet Management
We Partner with Auto Integrate and Holman Fleet Management
We Partner with Auto Integrate and Wheels Fleet
We Partner with Auto Integrate and Mike Albert Fleet Solutions

Industries We Serve

Our fleet program supports companies of all sizes:

  • Service Contractors (Plumbing, HVAC, Electrical, Landscaping)
  • Municipal & Government Fleets
  • Delivery & Transportation Companies
  • Sales & Field Service Teams
  • Rental & Leasing Companies
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Fleet vehicles serviced annually

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local and national businesses trust Oilex Grease Monkey to maintain their fleets

Contact

Feel free to contact us at:

Let's Get Started

Whether you want to apply now or just have questions, we’re here to help you get started.

Frequently Asked Questions

What types of fleets does Oilex service?
  • We service fleets of all sizes — from small local businesses to large national accounts. Whether you manage two company vehicles or hundreds, Oilex Grease Monkey provides fast, professional maintenance for every driver in your operation.
  • It’s simple: enroll your business, bring vehicles to any participating Oilex Grease Monkey location, and we handle the rest. Your drivers can stop in without appointments, and your business can choose to pay at the time of service or set up a billed account for consolidated monthly invoices.
  • Every fleet vehicle receives comprehensive preventive maintenance, including:
    • Full-service oil changes (synthetic, high-mileage, and diesel options)
    • Tire rotations and pressure checks
    • Fluid exchanges (coolant, transmission, differential, transfer case, power steering)
    • Battery testing and replacement
    • Air filter and wiper blade replacement
    • Courtesy inspection with every visit
  • Most oil changes and standard maintenance services are completed in 20 minutes or less. Our focus is on minimizing downtime and keeping your drivers on the road.
  • Fleet partners can pay at the time of service with cash, check, or card — or choose a billed account for monthly consolidated invoicing. We also process authorizations through Auto Integrate for the following national fleet partners: CarAdvise, Enterprise Fleet Management, Holman, Element, Emkay, Fleet Response, Fleetio, General Services Administration (GSA), LP USA, Wheels, Merchants Fleet, Mike Albert Fleet Solutions, Summit Fleet, and Union Leasing
  • We provide Fleet ID cards to simplify check-in and ensure services are billed accurately under your company’s account. Drivers simply present their Fleet ID card at the time of service.
  • Yes. All services are backed by the Grease Monkey Nationwide Warranty, providing coverage and peace of mind across participating locations.
  • Yes. Fleet customers receive preferred fleet pricing, a dedicated Fleet Specialist, and access to detailed service reporting and consolidated billing. Our goal is to reduce your total maintenance costs while maximizing uptime.
  • Pickup and delivery can be arranged depending on location and technician availability. Contact your local Oilex Grease Monkey center or Fleet Specialist to confirm availability.
  • All services meet or exceed manufacturer specifications and do not void factory warranties. Oilex uses top-quality fluids and parts approved for your vehicle type.
    • Speed & Convenience: 20-minute service times with no appointment needed.
    • Expert Technicians: Professionally trained under FullSpeed Automotive’s national standards.
    • Nationwide Warranty Coverage on all work.
    • Dedicated Fleet Specialists for account management and billing.
    • Flexible Fleet Pricing with monthly consolidated statements.
    • No Minimum Vehicle Requirement — whether you manage two or 200, we’ve got you covered.
  • Fleet Contact:
    fleets@oilexgreasemonkey.com 303-765-2430, option 1
    Oilex Operating LLC, 1400 S Colorado Blvd, Suite 300, Denver, CO 80222

Ready to Enroll?

Stop stressing about fleet upkeep. Oilex Grease Monkey takes care of the maintenance so your vehicles stay on the road and your business keeps moving.

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