GM Certified Service and Repair Department

At Gross Motors, our highly qualified technicians are here to provide exceptional service in a timely manner. From oil changes to transmission replacements, we are dedicated to maintaining top tier customer service, for both new and pre-owned car buyers! Allow our staff to demonstrate our commitment to excellence.

We service Chevrolet, Buick and GMC cars, trucks, and fleet vehicles. Schedule your service appointment, General Maintenance to Collision repair offering convenience with quality repair you can trust, by factory trained technicians and the highest quality equipment.

Come see our State of the Art Service Centers located in Neillsville, Marshfield, Black River Falls WI servicing Central Wisconsin and the Eau Claire, Chippewa Falls, Wausau, La Crosse, Tomah, Altoona, Greenwood, Loyal, Osseo, Hatfield, Sparta, West Salem, Wisconsin Rapids, Whitehall, Nekoosa, Stevens Point, Augusta, Spencer, Clark County, Wood County, Jackson County, Superior, Green Bay, Dubuque, Iowa, Duluth and Minneapolis/St Paul, Minnesota areas.

Chevrolet, Buick and GMC Service Department – Gross Motors, Neillsville, Marshfield, Black River Falls, WI


  • Factory Trained Technicians
  • Service work for air conditioning, transmissions and engines
  • General factory maintenance: brakes, wheel alignment, tune-ups, oil changes, shocks, exhaust, etc.
  • Service advisors that are factory trained, experienced and friendly
  • Accessories available for cars, trucks, vans, SUVs
  • 24 hours towing (after hours call: 715-797-4207 - Neillsville only)
  • Can't come to us? We'll come to you with our pick up and delivery service
  • 41 courtesy vehicles for you to use NO CHARGE while your vehicle is in our shop
  • We are your tire super store - many name brands available
  • Gross has a complete automotive repair shop - see us about the GM Lifetime Warranty

Chevrolet Buick GMC Service Department - Neillsville, Marshfield, Black River Falls WI


Rockie Bowman
Service Manager
Sean Olstad
Service Consultant
Jessie Stewart
Service Consultant
Roberto Bernabei-Grassi
Certified Technician
Zach Durst
Certified Technician
Gary Eschbach
Certified Technician
Alan Janicki
Certified Technician
Jasen Skar
Certified Technician
Joe Wensel
Certified Technician
Matt Wensel
Certified Technician
Nathan Rogstad
Lube Technician
Scott Anderson
Car Service
Merlin Slegel
Car Service/Maintenance
Eric Butterfield
Reconditioning Technician
Susan Bullen


Mark Beck
Service Manager
Diane Draper
Service Advisor
Steve Bangart
Certified Technician
Scott Bischoff
Certified Technician
Bill Hoffman
Certified Technician
Brad Kohls
Certified Technician
Lane Williams
Certified Technician
Adam Genett
Lube Technician
Jerry Hughes
Reconditioning Technician
Chuck Schlafke


Jerry Gross
Owner/Service Manager
Dusty Kreitlow
Service Manager
Bob Skroch
Service Advisor
Mark Sydorowicz
Verizon Cellular Phone Rep / Service Advisor
Ray Leggate
Verizon Cellular Phone Rep
Mitch Behrens
Certified Technician
Roy Bieneck
Certified Technician
Steve Canfield
Certified Technician
Chuck Durst
Certified Technician
Larry Kosmosky
Certified Technician
Travis Lewis
Certified Technician
Steve Oldham
Certified Technician
Steve Mohr
Lube Technician
Rick Kruschke
Technician Apprentice
Jeff Thur
Certified Technician
Scot Kapusta
Towing Service/Maintenance
Matt Serafin
Car Service/Maintenance
Ralph Treffert
Detailing Supervisor
James Voss
Detailing Technician
Theresa Hammond
Warranty Administrator
Darla Susa


Jason Brings
Senior Master Technician
Dylan Cline
Reconditioning Technician

Please contact us at the following locations:

715-743-3207 or toll free at 888-743-3207
Black River Falls
715-284-5425 or toll free at 888-313-3196
715-384-3152 or toll free at 877-278-0581