Integrity, Efficiency, Quality

Integrity, Efficiency, Quality

Grindstone Construction Services, Inc., located in Buffalo, MN, is a full service Commercial construction Services Company.

  • Service-Disabled Veteran-Owned Small Business (SDVOSB)
  • Comprehensive Service
  • Experienced Contractors
Fritz Budig
Fritz Budig - President and CEO
763-777-9557 | fritzb@grindstonecs.com

Fritz started in the construction industry working for his father in his family’s construction business. After serving in the 82nd Airborne division during Desert Storm, he partnered with his father and together they ran a successful residential construction company. After his father’s passing, an opportunity arose for Fritz to transition into the commercial sector. Over the years Fritz has gone from superintendent to managing project managers and superintendents to finally realizing his dream of owning his own commercial construction company.
His father’s guidance coupled with his military background has taught him the value of being a positive leader, having strong work ethics and building lasting relationships. Fritz lives with his wife Stacie and their 2 children in Buffalo, MN. Together, they enjoy fishing, hunting, boating and coaching their children’s various sports teams.

Tim Helppi
Tim Helppi - Vice President of Operations
| timh@grindstonecs.com

“To help others discover and develop the best version of themselves”

Tim has over 20 years of experience in construction and supervision. Tim started his construction career in the residential field and moved into the commercial market as a carpenter and carpenter foreman. He then co-founded a framing and drywall company with several of his co-workers. Tim joined Grindstone Construction in 2015 as a Superintendent, and took on the role of General Superintendent prior to becoming the vice president of operations. Tim continues to coordinate closely with the field crews and clients to ensure a successful outcome of each project.

Matt Rahm
Matt Rahm - Site Superintendent / Carpenter
| mattr@grindstonecs.com

“Don’t lie, don’t cheat, don’t steal”

Matt has over 35 years of Construction experience ranging from Carpentry to Site Supervision. His experience allows him to deliver a quality product while also keeping his team safe and on schedule. Matt starts each day with a good attitude and a task for every person on the site. He brings a positive, productive atmosphere to each project. Matt strives for honesty and integrity with his team, subcontractors, and clients. 

Jeff Helppi
Jeff Helppi - Site Superintendent / Carpenter
| jeffh@grindstonecs.com

“Be proud of what you do at work”

Jeff has over 12 years of experience in the Construction Industry working in positions ranging from Laborer to Site Superintendent. The Construction Industry is Jeff’s passion because of the endless learning opportunities due to expanding technology. He uses his knowledge and experience in this industry to complete each project with exceptional results while maintaining a safe work environment. Jeff is able to coordinate his job sites by thoroughly scheduling timelines and communicating with his subcontractors.

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