Refrigeration & Maintenance Jobs near Sun Prairie, WI — 96 jobs, 84 plants within 50 miles
96 open jobs and 84 plants within 50 miles of Sun Prairie, WI. 27 run ammonia refrigeration. 8 are hiring now.
Jobs within 50 miles
Fleet Technician (DOT) - Foods
PepsiCo
location_onDeForest, WIsocial_distance8.4 mipayments$30/hr
Process Engineer - Manufacturing Sciences & Technology, Upstream
Catalent
location_onMadison, WIsocial_distance13.5 mipaymentsEst. $22–$31/hr
Specialist I - Materials Management
Catalent
location_onMadison, WIsocial_distance13.5 mipaymentsEst. $22–$31/hr
Technical Sourcing Mechanical Engineer III
Thermo Fisher Scientific
location_onMadison, WIsocial_distance13.5 mipaymentsEst. $22–$31/hr
Senior Process Engineer - Manufacturing Sciences & Technology, Upstream
Catalent
location_onMadison, WIsocial_distance13.5 mipaymentsEst. $22–$31/hr
Process Engineer - Manufacturing Sciences & Technology (MS&T), Downstream Technology Transfer
Catalent
location_onMadison, WIsocial_distance13.5 mipaymentsEst. $22–$31/hr
Process Engineer - Engineering
Catalent
location_onMadison, WIsocial_distance13.5 mipaymentsEst. $22–$31/hr
Principal Process Engineer - Manufacturing Sciences & Technology, Upstream
Catalent
location_onMadison, WIsocial_distance13.5 mipaymentsEst. $22–$31/hr
Test Technician II - 1st Shift
Thermo Fisher Scientific
location_onMadison, WIsocial_distance13.5 mipaymentsEst. $22–$31/hr
Instrumentation/Automation Service Engineer I
Abbott
location_onMadison, WIsocial_distance13.5 mipayments$22-$45/hr
Maintenance Technician, HVACR IV, M-F 7:30 am- 4:00 pm
Abbott
location_onMadison, WIsocial_distance13.5 mipaymentsEst. $25–$38/hr
Moves Specialist II
Abbott
location_onMadison, WIsocial_distance13.5 mipayments$17-$34/hr
Security Service Technician
Johnson Controls
location_onMadison, WIsocial_distance13.5 mipayments$29-$40/hr
Maintenance Recycling Process Specialist II
Abbott
location_onMadison, WIsocial_distance13.5 mipaymentsEst. $22–$31/hr
Instrumentation/Automation Service Engineer I - OS
Abbott
location_onMadison, WIsocial_distance13.5 mipayments$22-$45/hr
Delivery Driver
Misfits Market
location_onMadison, WIsocial_distance13.5 mipayments$17-$25/hr
Specialist II - Materials Management
Catalent
location_onMadison, WIsocial_distance13.5 mipaymentsEst. $22–$31/hr
Security Commercial Offerings System Technician
Johnson Controls
location_onMadison, WIsocial_distance13.5 mipayments$26-$36/hr
Controls Service Technician
Johnson Controls
location_onMadison, WIsocial_distance13.5 mipayments$23-$35/hr
Automation Integration Engineer I
Abbott
location_onMadison, WIsocial_distance13.5 mipaymentsEst. $29–$37/hr
Senior Process Engineer - Manufacturing Sciences & Technology
Catalent
location_onMadison, WIsocial_distance13.5 mipaymentsEst. $22–$31/hr
Fire Detection Systems Technician
Johnson Controls
location_onMadison, WIsocial_distance13.5 mipayments$23-$32/hr
Equipment and Automation Engineer II
Abbott
location_onMadison, WIsocial_distance13.5 mipayments$29-$59/hr
Staff Equipment and Automation Engineer - 1st shift
Abbott
location_onMadison, WIsocial_distance13.5 mipaymentsEst. $22–$31/hr
Mechanical Engineering Manager
Abbott
location_onMadison, WIsocial_distance13.5 mipayments$48-$96/hr
Equipment Service Engineer I
Abbott
location_onMadison, WIsocial_distance13.5 mipayments$22-$45/hr
Delivery Driver
US Foods
location_onMadison, WIsocial_distance13.5 mipayments$34/hr
HVAC Install Manager
Johnson Controls
location_onMadison, WIsocial_distance13.5 mipayments$48-$72/hr
HVAC Control Systems Engineer
Johnson Controls
location_onMadison, WIsocial_distance13.5 mipayments$43-$57/hr
HVAC Truck Based Journeymen Mechanic (union)
Johnson Controls
location_onMadison, WIsocial_distance13.5 mipayments$48/hr
Delivery Driver
Hy-Vee
location_onMadison #2, WIsocial_distance17.4 mipaymentsEst. $22–$31/hr
Facilities Specialist III - Maintenance Engineer
Thermo Fisher Scientific
location_onMiddleton, WIsocial_distance18 mipaymentsEst. $22–$31/hr
Associate Lab Support Engineer, Storage Stability
Thermo Fisher Scientific
location_onMiddleton, WIsocial_distance18 mipaymentsEst. $22–$31/hr
Delivery Driver
Hy-Vee
location_onMadison #1, WIsocial_distance21.4 mipaymentsEst. $22–$31/hr
Maintenance Assistant
Costco
location_onVERONA, WIsocial_distance23 mipaymentsEst. $22–$31/hr
Maintenance Mechanic - Cambria East
Seneca Foods
location_onCambria, WIsocial_distance23.6 mipaymentsEst. $22–$31/hr
Electrician 1
Seneca Foods
location_onClyman, WIsocial_distance24.6 mipaymentsEst. $29–$37/hr
Maintenance Mechanic
Seneca Foods
location_onClyman, WIsocial_distance24.6 mipaymentsEst. $22–$31/hr
Ag Maintenance Mechanic
Seneca Foods
location_onClyman, WIsocial_distance24.6 mipaymentsEst. $22–$31/hr
Refrigeration Technician I
Americold
location_onJefferson, WIsocial_distance24.7 mipaymentsEst. $39–$48/hr
Local CDL A Driver
Americold
location_onJefferson, WIsocial_distance24.7 mipaymentsEst. $22–$31/hr
Compliance Manager
Kraft Heinz
location_onBeaver Dam, WIsocial_distance24.7 mipaymentsEst. $30–$38/hr
General Manager II - Distribution
DHL
location_onBeaver Dam, WIsocial_distance24.7 mipayments$50-$65/hr
General Manager III - Distribution
DHL
location_onBeaver Dam, WIsocial_distance24.7 mipayments$46-$58/hr
Quality Technician
Nestle
location_onJefferson, WIsocial_distance24.7 mipayments$21-$31/hr
Production Supervisor (Off Shift)
Nestle
location_onJefferson, WIsocial_distance24.7 mipayments$36-$48/hr
Maintenance Supervisor- 2nd shift
Kraft Heinz
location_onBeaver Dam, WIsocial_distance24.7 mipayments$37-$47/hr
Reliability and Maintenance Manager
Kraft Heinz
location_onBeaver Dam, WIsocial_distance24.7 mipayments$49-$61/hr
Process Engineer (Production Engineering Specialist)
Nestle
location_onJefferson, WIsocial_distance24.7 mipayments$39-$51/hr
Operations Manager - 2nd Shift
OSI Industries
location_onFort Atkinson, WIsocial_distance26.1 mi
Assistant Plant Manager
OSI Industries
location_onFort Atkinson, WIsocial_distance26.1 mipaymentsEst. $32–$48/hr
Maintenance Supervisor - 2nd Shift - Ammonia Refrigeration/Industrial Facilities
OSI Industries
location_onFort Atkinson, WIsocial_distance26.1 mipaymentsEst. $32–$48/hr
Driver,
OSI Industries
location_onFort Atkinson, WIsocial_distance26.1 mipaymentsEst. $22–$31/hr
Maintenance Mechanic
Seneca Foods
location_onBaraboo, WIsocial_distance33.4 mipaymentsEst. $22–$31/hr
Manufacturing Engineer
Seneca Foods
location_onBaraboo, WIsocial_distance33.4 mipaymentsEst. $22–$31/hr
Class A Truck Driver
Kroger
location_onOconomowoc, WIsocial_distance35.3 mi
Maintenance Mechanic B
Seneca Foods
location_onJanesville, WIsocial_distance37.1 mipaymentsEst. $22–$31/hr
Agricultural Equipment Mechanic
Seneca Foods
location_onJanesville, WIsocial_distance37.1 mi
Industrial Mechanic
Seneca Foods
location_onJanesville, WIsocial_distance37.1 mipaymentsEst. $22–$31/hr
Skilled PLC Technician
Saputo
location_onWaupun, WIsocial_distance37.4 mipaymentsEst. $29–$37/hr
Maintenance Mechanic
Saputo
location_onWaupun, WIsocial_distance37.4 mipaymentsEst. $22–$31/hr
Electrician
Seneca Foods
location_onMayville, WIsocial_distance37.9 mipaymentsEst. $29–$37/hr
Facilities Maintenance/Process Technician
Seneca Foods
location_onMayville, WIsocial_distance37.9 mipaymentsEst. $22–$31/hr
Waukesha Maintenance Technician
Ventura Foods
location_onWaukesha, WIsocial_distance45.2 mipaymentsEst. $22–$31/hr
Waukesha Maintenance Technician II
Ventura Foods
location_onWaukesha, WIsocial_distance45.2 mipaymentsEst. $22–$31/hr
Waukesha Production Supervisor
Ventura Foods
location_onWaukesha, WIsocial_distance45.2 mipaymentsEst. $32–$48/hr
Waukesha Maintenance Supervisor
Ventura Foods
location_onWaukesha, WIsocial_distance45.2 mipaymentsEst. $32–$48/hr
Maintenance Technician: 2nd shift
Saputo
location_onReedsburg, WIsocial_distance47 mipayments$28-$29/hr
Maintenance Technician: 3rd shift
Saputo
location_onReedsburg, WIsocial_distance47 mipayments$28-$29/hr
Health and Safety Specialist
Saputo
location_onReedsburg, WIsocial_distance47 mipayments$34-$44/hr
Delivery Driver
Hy-Vee
location_onRipon, WIsocial_distance47.4 mipaymentsEst. $22–$31/hr
Maintenance Mechanic
Seneca Foods
location_onRipon, WIsocial_distance47.4 mipaymentsEst. $22–$31/hr
Agriculture Mechanic Apprentice
Seneca Foods
location_onRipon, WIsocial_distance47.4 mipaymentsEst. $22–$31/hr
Production Supervisor
Seneca Foods
location_onRipon, WIsocial_distance47.4 mipaymentsEst. $32–$48/hr
Agricultural Equipment Mechanic
Seneca Foods
location_onRipon, WIsocial_distance47.4 mipayments$27-$39/hr
Production Supervisor - Night Shift
Conagra Brands
location_onDarien, WIsocial_distance48.4 mipayments$31-$46/hr
Predictive Maintenace Tech
Conagra Brands
location_onDarien, WIsocial_distance48.4 mipayments$29/hr
Refrigeration Mechanic
Conagra Brands
location_onDarien, WIsocial_distance48.4 mipayments$36/hr
Production Supervisor - Rotating Shift
Conagra Brands
location_onDarien, WIsocial_distance48.4 mipayments$31-$46/hr
Production Manager
Conagra Brands
location_onDarien, WIsocial_distance48.4 mipayments$39-$50/hr
Sanitation Technician
Schreiber Foods
location_onBeloit, WIsocial_distance48.9 mipaymentsEst. $22–$31/hr
QA Technician
Schreiber Foods
location_onBeloit, WIsocial_distance48.9 mipaymentsEst. $22–$31/hr
HFC - Industrial Maintenance Mechanic
Hormel Foods
location_onBeloit, WIsocial_distance48.9 mipayments$33-$37/hr
Quality Technician
Schreiber Foods
location_onBeloit, WIsocial_distance48.9 mipaymentsEst. $22–$31/hr
OTR Driver
PepsiCo
location_onBeloit, WIsocial_distance48.9 mipayments$48/hr
OTR Driver - Foods
PepsiCo
location_onBeloit, WIsocial_distance48.9 mipayments$40/hr
HFC Beloit - Electrician
Hormel Foods
location_onBeloit, WIsocial_distance48.9 mipayments$33/hr
Team Leader/Production Supervisor-Nights - Beloit
Hormel Foods
location_onBeloit, WIsocial_distance48.9 mipayments$34-$40/hr
Senior Process Engineer
Schreiber Foods
location_onBeloit, WIsocial_distance48.9 mipaymentsEst. $22–$31/hr
Maintenance Technician
Schreiber Foods
location_onBeloit, WIsocial_distance48.9 mipaymentsEst. $22–$31/hr
Maintenance Intern- Summer
Schreiber Foods
location_onBeloit, WIsocial_distance48.9 mipayments$22/hr
Fleet Technician (DOT)
PepsiCo
location_onBeloit, WIsocial_distance48.9 mipayments$35/hr
Production Manager, 2nd shift
Brakebush Brothers
location_onWestfield, WIsocial_distance49.4 mi
Wastewater Treatment Tech
Brakebush Brothers
location_onWestfield, WIsocial_distance49.4 mipayments$32/hr
Wastewater Treatment Technician
Brakebush Brothers
location_onWestfield, WIsocial_distance49.4 mipayments$32/hr
Production Supervisor, 2nd shift
Brakebush Brothers
location_onWestfield, WIsocial_distance49.4 mipaymentsEst. $32–$48/hr
Plants within 50 miles
Midwest Regional Processing LLC (Sun Prairie)
Midwest Regional Processing LLC
Sun Prairie, WI0 mi
Kwik Trip DeForest Distribution Center
Kwik Trip, Inc.
Windsor, WI7.3 miAmmonia
Fortune Wisconsin LLC (Windsor)
Fortune Wisconsin LLC
Windsor, WI7.5 mi
Fortune Wisconsin (Deforest)
Fortune Wisconsin LLC
Deforest, WI8 mi
TTJ Packing Inc. (Cottage Grove)
TTJ Packing Inc.
Cottage Grove, WI10 mi
Alpha Omega LLC (Madison)
Alpha Omega LLC
Madison, WI10.1 mi
Central Storage & Warehouse Co (Madison)
Central Storage & Warehouse Co., Inc.
Madison, WI10.5 mi
AbE Manufacturing (Waterloo)
AbE Manufacturing
Waterloo, WI10.6 mi
Kraft Heinz Company_Madison WI
The Kraft Heinz Company
Madison, WI10.8 miAmmonia
Schoep's Ice Cream Co. Inc.
Brothers Desserts
Madison, WI11.5 miAmmonia
Certco, Inc.
Madison, WI11.9 miAmmonia
Midwest Refrigerated Madison, LLC (Madison)
Midwest Refrigerated Madison, LLC
Madison, WI12.1 mi
Trader Gus, Inc. (Waunakee)
Trader Gus, Inc.
Waunakee, WI12.1 mi
Rhodes International
Barnes International
Columbus, WI12.5 miAmmonia
Lineage Logistics
McFarland, WI13.5 miAmmonia
Meat Science and Animal Biologics Discovery (Madison)
Meat Science and Animal Biologics Discovery
Madison, WI14.7 mi
Opportunities, Inc. of Jef Cty (Madison)
Opportunities, Inc. of Jef Cty
Madison, WI16.2 mi
Johnsons Sausage Shoppe (Rio)
Johnsons Sausage Shoppe
Rio, WI16.7 mi
Daybreak Foods, Inc. (Lake Mills)
Daybreak Foods, Inc.
Lake Mills, WI16.9 mi
Elsie Mae Sweet Shop LLC (Lake Mills)
Elsie Mae Sweet Shop LLC
Lake Mills, WI17.5 mi
Caine Warehousing LTD (Reeseville)
Caine Warehousing LTD
Reeseville, WI18.3 mi
UW Provision Company, Inc. (Middleton)
UW Provision Company, Inc.
Middleton, WI19 mi
Bavaria Sausage of Wisconsin, Inc. (Madison)
Bavaria Sausage of Wisconsin, Inc.
Madison, WI20.3 mi
Wisconsin's Best (Oregon)
Wisconsin's Best
Oregon, WI21.8 mi
Perry Way Foods
Johns Manville Corporate Office
Watertown, WI21.8 miAmmonia
Grandpa Glenn's Pet Treats (Johnson Creek)
Grandpa Glenn's Pet Treats
Johnson Creek, WI22.1 mi
Glenn's Market & Catering, Inc. (Watertown)
Glenn's Market & Catering, Inc.
Watertown, WI22.9 mi
Baksh Food LLC, (Jefferson)
Baksh Food LLC,
Jefferson, WI23.9 mi
Emil's Pizza, Inc. (Watertown)
Emil's Pizza, Inc.
Watertown, WI24 mi
Palermo's Villa Inc. (Jefferson)
Palermo Villa, Inc.
Jefferson, WI24.1 mi
Americold-Jefferson
Americold Logistics
Jefferson, WI24.2 miAmmoniaHiring now
Kraft Heinz Beaver Dam Plant
The Kraft Heinz Company
Beaver Dam, WI24.4 miAmmoniaHiring now
Opportunities, Inc. of Jefferson County (Fort Atkinson)
Opportunities, Inc. of Jefferson County
Fort Atkinson, WI25.7 mi
Richelieu Foods, Inc.
Richelieu Foods
Beaver Dam, WI26 miAmmonia
Frozen Vegetables - Beaver Dam, WI
Conagra Foods Packaged Foods, LLC
Beaver Dam, WI26 miAmmonia
OSI Industries, LLC - Fort Atkinson
OSI Industries
Fort Atkinson, WI26.3 miAmmoniaHiring now
Jones Dairy (South)
Jones Dairy
Fort Atkinson, WI26.3 miAmmonia
Jones Dairy Farm
Jones Dairy
Fort Atkinson, WI26.3 miAmmonia
Associated Milk Producers, Inc.
Portage, WI26.6 miAmmonia
Beaver Dam Cold Storage LLC (Beaver Dam)
Beaver Dam Cold Storage LLC
Beaver Dam, WI27.2 mi
Leroy Meats (Fox Lake)
Leroy Meats
Fox Lake, WI28.3 mi
Prem Meats LLC (Prairie du Sac)
Prem Meats LLC
Prairie du Sac, WI28.7 mi
Morski Brands, Inc. (Portage)
Morski Brands, Inc.
Portage, WI29 mi
Amlat, LLC (Belleville)
Amlat, LLC
Belleville, WI29.7 mi
Create A Pack Foods, Inc. (Ixonia)
Create A Pack Foods, Inc.
Ixonia, WI30.1 mi
Kandu Industries Inc (Milton)
Kandu Industries Inc
Milton, WI32 mi
Leroy Meats (Horicon)
Leroy Meats
Horicon, WI32.1 mi
The Meat Market (Baraboo)
The Meat Market Inc.
Baraboo, WI32.5 mi
Fontana Flavors, Inc. (Janesville)
Fontana Flavors, Inc.
Janesville, WI34.4 mi
L.S.I., Inc. - New Glarus (New Glarus)
L.S.I., Inc. - New Glarus
New Glarus, WI34.7 mi
Opportunities, Inc. of Jefferson County (Oconomowoc)
Opportunities, Inc. of Jefferson County
Oconomowoc, WI36 mi
Andy's Meats Inc. (Endeavor)
Andy's Meats Inc.
Endeavor, WI36.6 mi
Standard Process, Inc.
Palmyra, WI37.1 miAmmonia
Roundy's, Inc.
Kroger
Oconomowoc, WI37.4 miAmmoniaHiring now
Family Fresh Pack LLC (Monticello)
Family Fresh Pack LLC
Monticello, WI37.5 mi
Saputo Cheese USA Inc. - Waupun
Saputo Inc.
Waupun, WI37.7 miAmmoniaHiring now
Old Fashioned Foods, Inc. (Mayville)
Old Fashioned Foods, Inc.
Mayville, WI38.3 mi
IPMF LLC (Janesville)
IPMF LLC
Janesville, WI38.6 mi
Nortera Foods Inc - Fairwater
Bonduelle Americas
Fairwater, WI40.5 miAmmonia
IPMPC, LLC (Janesville)
IPMPC, LLC
Janesville, WI40.6 mi
Pinn-Oak Ridge Farm LLC (Delavan)
Pinn-Oak Ridge Farm LLC
Delavan, WI42.3 mi
Grande Brownsville
Grande Cheese Co.
Brownsville, WI42.9 miAmmonia
King Kalibur LLC (Eagle)
King Kalibur LLC
Eagle, WI43.1 mi
Straka Meats inc. (Plain)
Straka Meats inc.
Plain, WI43.5 mi
Natural Harvest LLC (Spring Green)
Natural Harvest LLC
Spring Green, WI44.3 mi
Prem Meats LLC (Spring Green)
Prem Meats LLC
Spring Green, WI44.3 mi
Brakebush Brothers, Inc.
Brakebush Brothers Inc.
Westfield, WI44.7 miAmmoniaHiring now
Grande Cheese
Grande Cheese Co.
Juda, WI44.8 miAmmonia
Twin Cities Pack, Inc. (Clinton)
Twin Cities Pack, Inc.
Clinton, WI45.5 mi
Lakeside Foods
Nulaid Foods
Reedsburg, WI45.5 miAmmonia
Nor-Am Cold Storage (Reedsburg)
Nor-Am Cold Storage, Inc
Reedsburg, WI45.7 mi
Murray Warehousing, Inc. (Beloit)
Murray Warehousing, Inc.
Beloit, WI46.5 mi
RFS Cheese, LLC (Monroe)
RFS Cheese, LLC
Monroe, WI47.2 mi
Bruno Beef Strips (Monroe)
Bruno Beef Strips
Monroe, WI47.4 mi
Klondike Cheese Co.
Monroe, WI47.6 miAmmonia
ConAgra Brands, Inc, (Darien)
Conagra Brands
Darien, WI48.3 miAmmoniaHiring now
Americold Logistics, LLC (Darien)
Americold Logistics
Darien, WI48.3 miAmmonia
Hormel Foods Corporation Beloit Plant
hormel foods
Beloit, WI48.5 miAmmoniaHiring now
Greenco Industries, Inc. (Monroe)
Greenco Industries, Inc.
Monroe, WI48.5 mi
Contract Comestibles LLC (East Troy)
Contract Comestibles LLC
East Troy, WI48.8 mi
Spray-Tek LLC (Beloit)
Spray-Tek Inc.
Beloit, WI49.3 mi
Cooper-Wilson Inc. (Beloit)
Cooper-Wilson Inc.
Beloit, WI49.5 mi
Wilson Farm Meats, Inc. (Elkhorn)
Wilson Farm Meats, Inc.
Elkhorn, WI49.6 mi
Hometown Sausage Kitchen (East Troy)
Hometown Sausage Kitchen
East Troy, WI50 mi
PAY PICTURE
Ammonia / Industrial Refrigeration Tech
- Government data for Wisconsin
- $26.71–$37.22/hr
- What techs ask in Wisconsin
- $31.07–$41.16/hr
- Posted pay near this plant
- $27.40–$37.04/hr
BLS OEWS, May 2025 · 6 techs in our network, Wisconsin · 5 postings
Industrial Maintenance Tech
- Government data for Wisconsin
- $25.30–$34.39/hr
- What techs ask, adjusted for Wisconsin
- $29.92–$41.02/hr
- Posted pay near this plant
- $26.68–$34.57/hr
BLS OEWS, May 2025 · 278 techs in our network nationwide, scaled to Wisconsin pay levels · 13 postings
Area pay for these roles, not this plant’s pay. Rows we cannot back with data are left out.
Worth a move — 50 to 200 miles
Waste Water Technician
Schreiber Foods
West Bend, WI52.7 mi$35/hr
Maintenance Technician
Schreiber Foods
West Bend, WI52.7 mi$35/hr
Fleet Technician (DOT)
PepsiCo
Menomonee Falls, WI54 mi$30/hr
Maintenance Assistant
Costco
MENOMONEE FALLS, WI54 miEst. $22–$31/hr
Production Supervisor - Night Shift
Nestle
Burlington, WI58.7 mi
Assistant Production Manager
Cal-Maine Foods
Burlington, WI58.7 mi
Production Supervisor - Night Shift
Cal-Maine Foods
Burlington, WI58.7 mi
Production Supervisor - Day Shift
Cal-Maine Foods
Burlington, WI58.7 mi
Plant Manager
Cal-Maine Foods
Burlington, WI58.7 mi
Maintenance Mechanic - 2nd shift
Nestle
Burlington, WI58.7 miEst. $22–$31/hr
Living in Sun Prairie
~$330K
Median home price
~$1,315/mo
Median rent
~43K
Population
65 mi
To Rockford
Median household income$96,762/yr
Nearby cities
All of Wisconsin, and next door
Facility data compiled from public government records (OSHA, EPA, USDA); may contain errors. NH3 Jobs is not affiliated with or endorsed by the companies shown. NH3 Jobs connects skilled maintenance technicians with employers in ammonia refrigeration, food processing, cold storage, and industrial manufacturing near Sun Prairie, Wisconsin.