
Jim Schultz
Excavation Supervisor with 46 years of experience.

Zach Wedeking
HVAC installer with a year of experience. Graduated from Clarksville, IA. Enjoys helping on the family farm.

Jeff Fowlks
HVAC/Radon Mitigation Crew. Jeff likes to spend time with his family and spends his free time doing home improvements.

Sam Rannells
Plumber with three years of experience. Graduate of Cedar Falls, IA.

Allyson Milliken
Allyson is on the Crystal Office Team. She likes spending time with friends and family.

Jim Wehling
Jim works on the excavation crew. on his time off he likes to farm and spent time with his family

Michael Roberts
Excavation crew with a year of experience. Graduated from West High in Waterloo. Enjoys working with all of his co-workers, fishing, and traveling with family

Keith Miller
Plumber with 38 years of experience in the plumbing service and with new construction. Keith likes to spend time with his family, going fishing and camping

Michael Olerich
HVAC service and New construction tech with a year of experience. Hobbies include fishing, hunting, and just being outside. Enjoys the different variety of work and co-workers.

Brice Hutt
Service plumber with 11 years of experience. Graduated from Kirkwood Community College. Enjoys hanging out with his wife and three kids. Hobbies include collecting hit and miss gas engines.

Brandon Knipper
Brandon has eight years of experience. Graduated from Hawkeye Community College. Loves spending time with his wife and two kids.

Steve Darrah
Experienced in all the different divisions at Crystal. Served overseas in the Navy for 41 years. Enjoys spending time with his grandkids and going to Florida with his wife and dogs.

Andy Barber
Owner/President of Crystal, Andy has 18 years of experience. Graduated from Waverly Shell Rock then went to Northeast Iowa Community College for the plumbing program, followed by Hawkeye Community College for the HVAC program. Enjoys talking to customers and helping them with their projects or issues. Hobbies include spending time with his wife and five kids.

Libi Chesnut
Office manager with 10 years of experience. Graduated from Clarksville and University of Northern Iowa. Loves talking to customers and spending time with family.

Justin Huey
Plumbing/HVAC Crew On his time off he likes spend time with family and working on projects.

Galen Hamann
HVAC/Radon mitigation team 4 1/2 years. Likes to spend time with his wife and the camping group.

Gary Bixler
Gary works on our excavation crew. On his time off he likes to golf, hang with friends and spend time with his family
Brandon was amazing! Great communication and a quick and easy sand delivery!
Crystal did the plumbing at our new house and they’re great people that back-up their work. Their service has been great. Thanks Keith and Brandon.