Mission Statement

Our Mission is to exceed expectations in the landscaping and irrigation industry using knowledgeable team members and safety awareness with a focus on environmentally friendly techniques. Through our company-wide business ethics, we develop relationships with our clients, vendors, and the community.

Greater Gallatin Contractors was founded in 2004 by Mark Haarer and Ryan Dykstra; Montana natives that bring over 55 years of combined experience to the team. Together, they radiate the integrity and work ethic that Montanans have grown to trust. It has earned Greater Gallatin Contractors an A+ rating with the Better Business Bureau and numerous awards throughout the Valley. In addition to a reputation for high-quality craftsmanship, Greater Gallatin Contractors proudly follows the EPA WaterSense Contractors guidelines with all irrigation and sprinkler system projects. Mark holds a degree in Horticulture with an emphasis in Turf Grass Management from Montana State University and Ryan has a Diesel Mechanic degree from Helena College of Technology. Both are active in the Irrigation Association and Montana Nursery and Landscape Association, giving them insights into the latest trends and access to current resources. Since its humble roots in Belgrade, the company has grown into a leader for comprehensive contracting in the Gallatin Valley. We employ honest, hardworking professionals that take client satisfaction seriously. We invest in our team, our community and in the long-term success of our clients.

Our Team

Mark Haarer

Principal Owner

Ryan Dykstra

Principal Owner

Hannah Winters

Operations Manager

Ryan Frickel

Lead Crew Foreman

Stephen Olsen

Project Manager

Sean Kretovics

Lead Horticulturist

Rusty Dill

Irrigation Technician

Kade Wechsel

Irrigation Technician

Elyse Gemme

Landscape Designer

Big Fish

Our Work Feeds Our Passion

Here at Greater Gallatin Contractors, we are more than just dedicated Irrigation and Landscape professionals. We also consider ourselves “pros” when it comes to recreational fishing! Our close knit group takes what we do seriously, but we still find time to enjoy the beautiful outdoors with our family, friends and associates. We also happen to be a little fish-crazy. This feeds our passion for water conservation, protecting the rivers, streams and lakes that are home to the beautiful fish below!


"I am impressed with your performance and the crews job of doing a first rate job all the way around. I have admired your crew and their attention to detail, doing the job right, and getting the job done rain or shine, I appreciate you tending to all the small details that make a big difference to the owner. So thank you for the great and successful job."

- SN and TN

"The entire process from bidding, working with my home owners insurance, to the actual labor, which was done in a fast, efficient, cooperative, and very clean manner, was all accomplished in such a professional way that I would  most certainly recommend your company to anyone. I had neighbors give me unsolicited positive feedback on the overall efficiency of the construction. Special note should be given to your project manager. He was so thorough and helpful throughout the entire process. He explained thing honestly, answered questions, provided a schedule/timeline and accommodated our own, and was always courteous and considerate."

- S and JD

"Thank you for checking back with me two times since I first contacted you about weed control for my lot.  This is what true customer care is all about:  personable, honest and timely communication with a client to keep them updated on service, inquire about any concerns, and notify them when the job is done."

- Liz. P

"I have used Greater Gallatin for ten years to blow out my sprinklers. They are very good and they charge a decent price. The people they employ are knowledgeable and do a good job. What more can I say, they are the best."

- Shirley N.